user: implement mlibc as the libc, finally.

It's finally done..

Signed-off-by: kaguya <vpshinomiya@protonmail.com>

user/include/mlibc/options/linux/generic/capabilities.cpp

@@ -0,0 +1,19 @@
+#include <mlibc/debug.hpp>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int capset(void *, void *) {
+	mlibc::infoLogger() << "mlibc: capset is a no-op!" << frg::endlog;
+	return 0;
+}
+
+int capget(void *, void *) {
+	mlibc::infoLogger() << "mlibc: capget is a no-op!" << frg::endlog;
+	return 0;
+}
+
+#ifdef __cplusplus
+}
+#endif

user/include/mlibc/options/linux/generic/cpuset.cpp

@@ -0,0 +1,71 @@
+#include <limits.h>
+#include <sched.h>
+#include <stdlib.h>
+#include <string.h>
+
+cpu_set_t *__mlibc_cpu_alloc(int num_cpus) {
+	return reinterpret_cast<cpu_set_t *>(calloc(1, CPU_ALLOC_SIZE(num_cpus)));
+}
+
+#define CPU_MASK_BITS (CHAR_BIT * sizeof(__cpu_mask))
+
+size_t __mlibc_cpu_alloc_size(int num_cpus) {
+	/* calculate the (unaligned) remainder that doesn't neatly fit in one __cpu_mask; 0 or 1 */
+	size_t remainder = ((num_cpus % CPU_MASK_BITS) + CPU_MASK_BITS - 1) / CPU_MASK_BITS;
+	return sizeof(__cpu_mask) * (num_cpus / CPU_MASK_BITS + remainder);
+}
+
+void __mlibc_cpu_zero(const size_t setsize, cpu_set_t *set) {
+	memset(set, 0, CPU_ALLOC_SIZE(setsize));
+}
+
+void __mlibc_cpu_set(const int cpu, const size_t setsize, cpu_set_t *set) {
+	if(cpu >= static_cast<int>(setsize * CHAR_BIT)) {
+		return;
+	}
+
+	unsigned char *ptr = reinterpret_cast<unsigned char *>(set);
+	size_t off = cpu / CHAR_BIT;
+	size_t mask = 1 << (cpu % CHAR_BIT);
+
+	ptr[off] |= mask;
+}
+
+void __mlibc_cpu_clear(const int cpu, const size_t setsize, cpu_set_t *set) {
+	if(cpu >= static_cast<int>(setsize * CHAR_BIT)) {
+		return;
+	}
+
+	unsigned char *ptr = reinterpret_cast<unsigned char *>(set);
+	size_t off = cpu / CHAR_BIT;
+	size_t mask = 1 << (cpu % CHAR_BIT);
+
+	ptr[off] &= ~mask;
+}
+
+
+int __mlibc_cpu_isset(const int cpu, const size_t setsize, const cpu_set_t *set) {
+	if(cpu >= static_cast<int>(setsize * CHAR_BIT)) {
+		return false;
+	}
+
+	const unsigned char *ptr = reinterpret_cast<const unsigned char *>(set);
+	size_t off = cpu / CHAR_BIT;
+	size_t mask = 1 << (cpu % CHAR_BIT);
+
+	return (ptr[off] & mask);
+}
+
+int __mlibc_cpu_count(const size_t setsize, const cpu_set_t *set) {
+	size_t count = 0;
+	const unsigned char *ptr = reinterpret_cast<const unsigned char *>(set);
+
+	for(size_t i = 0; i < setsize; i++) {
+		for(size_t bit = 0; bit < CHAR_BIT; bit++) {
+			if((1 << bit) & ptr[i])
+				count++;
+		}
+	}
+
+	return count;
+}

user/include/mlibc/options/linux/generic/ifaddrs.cpp

@@ -0,0 +1,22 @@
+#include <mlibc/allocator.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+#include <ifaddrs.h>
+#include <errno.h>
+
+int getifaddrs(struct ifaddrs **ifap) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getifaddrs, -1);
+	if(int e = sysdep(ifap); e) {
+		errno = e;
+		return -1;
+	}
+
+	return 0;
+}
+
+void freeifaddrs(struct ifaddrs *ifa) {
+	while (ifa != nullptr) {
+		ifaddrs *current = ifa;
+		ifa = ifa->ifa_next;
+		getAllocator().free(current);
+	}
+}

user/include/mlibc/options/linux/generic/linux-unistd.cpp

@@ -0,0 +1,38 @@
+#include <bits/linux/linux_unistd.h>
+#include <bits/ensure.h>
+
+#include <errno.h>
+#include <mlibc/posix-sysdeps.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+#include <unistd.h>
+
+int dup3(int oldfd, int newfd, int flags) {
+	if(oldfd == newfd) {
+		errno = EINVAL;
+		return -1;
+	}
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_dup2, -1);
+	if(int e = mlibc::sys_dup2(oldfd, flags, newfd); e) {
+		errno = e;
+		return -1;
+	}
+	return newfd;
+}
+
+int vhangup(void) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int getdtablesize(void){
+	return sysconf(_SC_OPEN_MAX);
+}
+
+int syncfs(int fd) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_syncfs, -1);
+	if(int e = mlibc::sys_syncfs(fd); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}

user/include/mlibc/options/linux/generic/malloc.cpp

@@ -0,0 +1,7 @@
+#include <bits/ensure.h>
+#include <malloc.h>
+
+void *memalign(size_t, size_t) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}

user/include/mlibc/options/linux/generic/mntent.cpp

@@ -0,0 +1,98 @@
+
+#include <errno.h>
+#include <mntent.h>
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include <bits/ensure.h>
+
+namespace {
+
+char *internal_buf;
+size_t internal_bufsize;
+
+} // namespace
+
+#define SENTINEL (char *)&internal_buf
+
+FILE *setmntent(const char *name, const char *mode) {
+	return fopen(name, mode);
+}
+
+struct mntent *getmntent(FILE *f) {
+	static struct mntent mnt;
+	return getmntent_r(f, &mnt, SENTINEL, 0);
+}
+
+int addmntent(FILE *f, const struct mntent *mnt) {
+	if(fseek(f, 0, SEEK_END)) {
+		return 1;
+	}
+	return fprintf(f, "%s\t%s\t%s\t%s\t%d\t%d\n",
+		mnt->mnt_fsname, mnt->mnt_dir, mnt->mnt_type, mnt->mnt_opts,
+		mnt->mnt_freq, mnt->mnt_passno) < 0;
+}
+
+int endmntent(FILE *f) {
+	if(f) {
+		fclose(f);
+	}
+	return 1;
+}
+
+char *hasmntopt(const struct mntent *mnt, const char *opt) {
+	return strstr(mnt->mnt_opts, opt);
+}
+
+/* Adapted from musl */
+struct mntent *getmntent_r(FILE *f, struct mntent *mnt, char *linebuf, int buflen) {
+	int n[8];
+	bool use_internal = (linebuf == SENTINEL);
+	int len;
+	size_t i;
+
+	mnt->mnt_freq = 0;
+	mnt->mnt_passno = 0;
+
+	do {
+		if(use_internal) {
+			getline(&internal_buf, &internal_bufsize, f);
+			linebuf = internal_buf;
+		} else {
+			fgets(linebuf, buflen, f);
+		}
+		if(feof(f) || ferror(f)) {
+			return nullptr;
+		}
+		if(!strchr(linebuf, '\n')) {
+			fscanf(f, "%*[^\n]%*[\n]");
+			errno = ERANGE;
+			return nullptr;
+		}
+
+		len = strlen(linebuf);
+		if(len > INT_MAX) {
+			continue;
+		}
+
+		for(i = 0; i < sizeof n / sizeof *n; i++) {
+			n[i] = len;
+		}
+
+		sscanf(linebuf, " %n%*s%n %n%*s%n %n%*s%n %n%*s%n %d %d",
+			n, n + 1, n + 2, n + 3, n + 4, n + 5, n + 6, n + 7,
+			&mnt->mnt_freq, &mnt->mnt_passno);
+	} while(linebuf[n[0]] == '#' || n[1] == len);
+
+	linebuf[n[1]] = 0;
+	linebuf[n[3]] = 0;
+	linebuf[n[5]] = 0;
+	linebuf[n[7]] = 0;
+
+	mnt->mnt_fsname = linebuf + n[0];
+	mnt->mnt_dir = linebuf + n[2];
+	mnt->mnt_type = linebuf + n[4];
+	mnt->mnt_opts = linebuf + n[6];
+
+	return mnt;
+}

user/include/mlibc/options/linux/generic/module.cpp

@@ -0,0 +1,24 @@
+#include <errno.h>
+#include <module.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int init_module(void *module, unsigned long length, const char *args) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_init_module, -1);
+	if(int e = mlibc::sys_init_module(module, length, args); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int delete_module(const char *name, unsigned flags) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_delete_module, -1);
+	if(int e = mlibc::sys_delete_module(name, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}

user/include/mlibc/options/linux/generic/sched.cpp

@@ -0,0 +1,63 @@
+#include <bits/ensure.h>
+#include <errno.h>
+#include <sched.h>
+
+#include <mlibc/linux-sysdeps.hpp>
+#include <mlibc/posix-sysdeps.hpp>
+
+int sched_getcpu(void) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getcpu, -1);
+	int cpu;
+	if(int e = mlibc::sys_getcpu(&cpu); e) {
+		errno = e;
+		return -1;
+	}
+	return cpu;
+}
+
+int setns(int fd, int nstype) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_setns, -1);
+	if(int e = mlibc::sys_setns(fd, nstype); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int sched_getscheduler(pid_t pid) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getscheduler, -1);
+	int policy;
+	if(int e = mlibc::sys_getscheduler(pid, &policy); e) {
+		errno = e;
+		return -1;
+	}
+	return policy;
+}
+
+int sched_getaffinity(pid_t pid, size_t cpusetsize, cpu_set_t *mask) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getaffinity, -1);
+	if(int e = mlibc::sys_getaffinity(pid, cpusetsize, mask); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int unshare(int flags) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_unshare, -1);
+	if(int e = mlibc::sys_unshare(flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int sched_setaffinity(pid_t, size_t, const cpu_set_t *) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int clone(int (*)(void *), void *, int, void *, ...) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}

user/include/mlibc/options/linux/generic/sys-epoll.cpp

@@ -0,0 +1,58 @@
+
+#include <errno.h>
+#include <sys/epoll.h>
+
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+#include <stddef.h>
+
+int epoll_create(int) {
+	int fd;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_epoll_create, -1);
+	if(int e = mlibc::sys_epoll_create(0, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+
+int epoll_pwait(int epfd, struct epoll_event *evnts, int n, int timeout,
+		const sigset_t *sigmask) {
+	int raised;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_epoll_pwait, -1);
+	if(int e = mlibc::sys_epoll_pwait(epfd, evnts, n, timeout, sigmask, &raised)) {
+		errno = e;
+		return -1;
+	}
+	return raised;
+}
+
+int epoll_create1(int flags) {
+	int fd;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_epoll_create, -1);
+	if(int e = mlibc::sys_epoll_create(flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+
+int epoll_ctl(int epfd, int mode, int fd, struct epoll_event *ev) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_epoll_ctl, -1);
+	if(int e = mlibc::sys_epoll_ctl(epfd, mode, fd, ev); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int epoll_wait(int epfd, struct epoll_event *evnts, int n, int timeout) {
+	int raised;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_epoll_pwait, -1);
+	if(int e = mlibc::sys_epoll_pwait(epfd, evnts, n, timeout, nullptr, &raised)) {
+		errno = e;
+		return -1;
+	}
+	return raised;
+}
+

user/include/mlibc/options/linux/generic/sys-eventfd.cpp

@@ -0,0 +1,45 @@
+#include <sys/eventfd.h>
+#include <errno.h>
+
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+
+int eventfd(unsigned int initval, int flags) {
+	int fd = 0;
+
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_eventfd_create, -1);
+	if (int e = mlibc::sys_eventfd_create(initval, flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+
+	return fd;
+}
+
+int eventfd_read(int fd, eventfd_t *value) {
+	ssize_t bytes_read;
+	if (int e = mlibc::sys_read(fd, value, 8, &bytes_read); e) {
+		errno = e;
+		return -1;
+	}
+
+	if (bytes_read != 8) {
+		return -1;
+	}
+
+	return 0;
+}
+
+int eventfd_write(int fd, eventfd_t value) {
+	ssize_t bytes_written;
+	if (int e = mlibc::sys_write(fd, &value, 8, &bytes_written); e) {
+		errno = e;
+		return -1;
+	}
+
+	if (bytes_written != 8) {
+		return -1;
+	}
+
+	return 0;
+}

user/include/mlibc/options/linux/generic/sys-fsuid.cpp

@@ -0,0 +1,12 @@
+#include <bits/ensure.h>
+#include <sys/fsuid.h>
+
+int setfsuid(uid_t) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}
+
+int setfsgid(gid_t) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}

user/include/mlibc/options/linux/generic/sys-inotify.cpp

@@ -0,0 +1,47 @@
+
+#include <errno.h>
+#include <sys/inotify.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int inotify_init(void) {
+	int fd;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_inotify_create, -1);
+	if(int e = mlibc::sys_inotify_create(0, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+
+int inotify_init1(int flags) {
+	int fd;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_inotify_create, -1);
+	if(int e = mlibc::sys_inotify_create(flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+
+int inotify_add_watch(int ifd, const char *path, uint32_t mask) {
+	int wd;
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_inotify_add_watch, -1);
+	if(int e = mlibc::sys_inotify_add_watch(ifd, path, mask, &wd); e) {
+		errno = e;
+		return -1;
+	}
+	return wd;
+}
+
+int inotify_rm_watch(int ifd, int wd) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_inotify_rm_watch, -1);
+	if(int e = mlibc::sys_inotify_rm_watch(ifd, wd); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+

user/include/mlibc/options/linux/generic/sys-klog.cpp

@@ -0,0 +1,16 @@
+#include <errno.h>
+#include <sys/klog.h>
+
+#include <bits/ensure.h>
+
+#include <mlibc/linux-sysdeps.hpp>
+
+int klogctl(int type, char *bufp, int len) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_klogctl, -1);
+	int out;
+	if (int e = mlibc::sys_klogctl(type, bufp, len, &out); e) {
+		errno = e;
+		return -1;
+	}
+	return out;
+}

user/include/mlibc/options/linux/generic/sys-mount.cpp

@@ -0,0 +1,29 @@
+
+#include <errno.h>
+#include <sys/mount.h>
+
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+
+int mount(const char *source, const char *target,
+		const char *fstype, unsigned long flags, const void *data) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_mount, -1);
+	if(int e = mlibc::sys_mount(source, target, fstype, flags, data); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int umount(const char *target) {
+	return umount2(target, 0);
+}
+
+int umount2(const char *target, int flags) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_umount2, -1);
+	if(int e = mlibc::sys_umount2(target, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}

user/include/mlibc/options/linux/generic/sys-pidfd.cpp

@@ -0,0 +1,40 @@
+#include <bits/ensure.h>
+#include <errno.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+#include <sys/pidfd.h>
+
+int pidfd_open(pid_t pid, unsigned int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_pidfd_open, -1);
+	int fd = 0;
+
+	if(int e = sysdep(pid, flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+
+	return fd;
+}
+
+pid_t pidfd_getpid(int fd) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_pidfd_getpid, -1);
+	pid_t pid = 0;
+
+	if(int e = sysdep(fd, &pid); e) {
+		errno = e;
+		return -1;
+	}
+
+	return pid;
+}
+
+int pidfd_send_signal(int pidfd, int sig, siginfo_t *info, unsigned int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_pidfd_send_signal, -1);
+
+	if(int e = sysdep(pidfd, sig, info, flags); e) {
+		errno = e;
+		return -1;
+	}
+
+	return 0;
+}

user/include/mlibc/options/linux/generic/sys-prctl.cpp

@@ -0,0 +1,25 @@
+
+#include <stdarg.h>
+#include <errno.h>
+#include <bits/ensure.h>
+#include <sys/prctl.h>
+
+#include <mlibc/debug.hpp>
+
+#include "mlibc/linux-sysdeps.hpp"
+
+int prctl(int op, ...) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_prctl, -1);
+
+	int val;
+	va_list ap;
+	va_start(ap, op);
+	if(int e = mlibc::sys_prctl(op, ap, &val); e) {
+		errno = e;
+		return -1;
+	}
+	va_end(ap);
+
+	return val;
+}
+

user/include/mlibc/options/linux/generic/sys-ptrace.cpp

@@ -0,0 +1,36 @@
+
+#include <sys/ptrace.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+long ptrace(int req, ...) {
+	va_list ap;
+
+	va_start(ap, req);
+	auto pid = va_arg(ap, pid_t);
+	auto addr = va_arg(ap, void *);
+	auto data = va_arg(ap, void *);
+	va_end(ap);
+
+	long ret;
+	if(req > 0 && req < 4) {
+		data = &ret;
+	}
+
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_ptrace, -1);
+	long out;
+	if(int e = mlibc::sys_ptrace(req, pid, addr, data, &out); e) {
+		errno = e;
+		return -1;
+	} else if(req > 0 && req < 4) {
+		errno = 0;
+		return ret;
+	}
+
+	return out;
+}
+

user/include/mlibc/options/linux/generic/sys-quota.cpp

@@ -0,0 +1,7 @@
+#include <bits/ensure.h>
+#include <sys/quota.h>
+
+int quotactl(int, const char *, int, caddr_t) {
+	__ensure(!"Not implemented");
+	__builtin_unreachable();
+}

user/include/mlibc/options/linux/generic/sys-random.cpp

@@ -0,0 +1,21 @@
+
+#include <sys/random.h>
+#include <bits/ensure.h>
+
+#include <mlibc/debug.hpp>
+#include <mlibc/posix-sysdeps.hpp>
+
+#include <errno.h>
+
+ssize_t getrandom(void *buffer, size_t max_size, unsigned int flags) {
+	if(flags & ~(GRND_RANDOM | GRND_NONBLOCK)) {
+		errno = EINVAL;
+		return -1;
+	}
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getentropy, -1);
+	if(int e = mlibc::sys_getentropy(buffer, max_size); e) {
+		errno = e;
+		return -1;
+	}
+	return max_size;
+}

user/include/mlibc/options/linux/generic/sys-reboot.cpp

@@ -0,0 +1,13 @@
+#include <errno.h>
+#include <sys/reboot.h>
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+
+int reboot(int what) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_reboot, -1);
+	if (int e = mlibc::sys_reboot(what); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}

user/include/mlibc/options/linux/generic/sys-sendfile.cpp

@@ -0,0 +1,15 @@
+#include <errno.h>
+#include <sys/sendfile.h>
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+
+ssize_t sendfile(int outfd, int infd, off_t *offset, size_t size) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sendfile, -1);
+	ssize_t out;
+	if(int e = mlibc::sys_sendfile(outfd, infd, offset, size, &out); e) {
+		errno = e;
+		return -1;
+	}
+	return out;
+}
+

user/include/mlibc/options/linux/generic/sys-signalfd.cpp

@@ -0,0 +1,17 @@
+
+#include <errno.h>
+#include <sys/signalfd.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int signalfd(int fd, const sigset_t *mask, int flags) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_signalfd_create, -1);
+	if(int e = mlibc::sys_signalfd_create(mask, flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+

user/include/mlibc/options/linux/generic/sys-statfs.cpp

@@ -0,0 +1,28 @@
+
+#include <errno.h>
+#include <sys/statfs.h>
+#include <bits/ensure.h>
+
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int statfs(const char *path, struct statfs *buf) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_statfs, -1);
+	if(int e = mlibc::sys_statfs(path, buf); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int fstatfs(int fd, struct statfs *buf) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fstatfs, -1);
+	if (int e = mlibc::sys_fstatfs(fd, buf); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+[[gnu::alias("fstatfs")]] int fstatfs64(int, struct statfs64 *);
+

user/include/mlibc/options/linux/generic/sys-statx.cpp

@@ -0,0 +1,71 @@
+#include <errno.h>
+#include <sys/stat.h>
+#include <sys/sysmacros.h>
+#include <bits/ensure.h>
+
+#include <mlibc/debug.hpp>
+#include <mlibc/posix-sysdeps.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int statx(int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf) {
+	if(!mlibc::sys_statx) {
+		struct stat statbuf;
+		MLIBC_CHECK_OR_ENOSYS(mlibc::sys_stat, -1);
+
+		if (!(flags & AT_NO_AUTOMOUNT)) {
+			mlibc::infoLogger()
+				<< "mlibc: sys_statx is unavailable, and stat does not support not specifying AT_NO_MOUNTPOINT"
+				<< frg::endlog;
+		}
+
+		// AT_STATX_SYNC_AS_STAT is the default and behaves like good old stat
+		if ((flags & AT_STATX_FORCE_SYNC) || (flags & AT_STATX_DONT_SYNC)) {
+			mlibc::infoLogger()
+				<< "mlibc: sys_statx is unavailable, and stat does not support modes other than AT_STATX_SYNC_AS_STAT"
+				<< frg::endlog;
+		}
+
+		// Mask out flags not appropriate for regular stat
+		flags &= ~(AT_NO_AUTOMOUNT | AT_STATX_SYNC_AS_STAT | AT_STATX_FORCE_SYNC | AT_STATX_DONT_SYNC);
+
+		if(int e = mlibc::sys_stat(mlibc::fsfd_target::fd_path, dirfd, pathname, flags, &statbuf); e) {
+			errno = e;
+			return -1;
+		}
+
+		memset(statxbuf, 0, sizeof(struct statx));
+		statxbuf->stx_blksize = statbuf.st_blksize;
+		statxbuf->stx_blocks = statbuf.st_blocks;
+		statxbuf->stx_gid = statbuf.st_gid;
+		statxbuf->stx_ino = statbuf.st_ino;
+		statxbuf->stx_mode = statbuf.st_mode;
+		statxbuf->stx_nlink = statbuf.st_nlink;
+		statxbuf->stx_size = statbuf.st_size;
+		statxbuf->stx_uid = statbuf.st_uid;
+
+		statxbuf->stx_atime.tv_sec = statbuf.st_atim.tv_sec;
+		statxbuf->stx_atime.tv_nsec = statbuf.st_atim.tv_nsec;
+		statxbuf->stx_btime.tv_sec = statbuf.st_mtim.tv_sec;
+		statxbuf->stx_btime.tv_nsec = statbuf.st_mtim.tv_nsec;
+		statxbuf->stx_ctime.tv_sec = statbuf.st_ctim.tv_sec;
+		statxbuf->stx_ctime.tv_nsec = statbuf.st_ctim.tv_nsec;
+		statxbuf->stx_mtime.tv_sec = statbuf.st_mtim.tv_sec;
+		statxbuf->stx_mtime.tv_nsec = statbuf.st_mtim.tv_nsec;
+
+		statxbuf->stx_rdev_major = major(statbuf.st_rdev);
+		statxbuf->stx_rdev_minor = minor(statbuf.st_rdev);
+		statxbuf->stx_dev_major = major(statbuf.st_dev);
+		statxbuf->stx_dev_minor = minor(statbuf.st_dev);
+		statxbuf->stx_mask = STATX_BASIC_STATS | STATX_BTIME;
+
+		return 0;
+	}
+
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_statx, -1);
+	if(int e = sysdep(dirfd, pathname, flags, mask, statxbuf); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+

user/include/mlibc/options/linux/generic/sys-swap.cpp

@@ -0,0 +1,24 @@
+#include <errno.h>
+#include <sys/swap.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int swapon(const char *path, int flags) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_swapon, -1);
+	if(int e = mlibc::sys_swapon(path, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int swapoff(const char *path) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_swapoff, -1);
+	if(int e = mlibc::sys_swapoff(path); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}

user/include/mlibc/options/linux/generic/sys-sysinfo.cpp

@@ -0,0 +1,24 @@
+#include <errno.h>
+#include <sys/sysinfo.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+#include <unistd.h>
+
+int sysinfo(struct sysinfo *info) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_sysinfo, -1);
+	if(int e = mlibc::sys_sysinfo(info); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int get_nprocs(void) {
+	return sysconf(_SC_NPROCESSORS_ONLN);
+}
+
+int get_nprocs_conf(void) {
+	return sysconf(_SC_NPROCESSORS_CONF);
+}

user/include/mlibc/options/linux/generic/sys-timerfd.cpp

@@ -0,0 +1,37 @@
+
+#include <errno.h>
+#include <sys/timerfd.h>
+
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/linux-sysdeps.hpp>
+
+int timerfd_create(int clockid, int flags) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_timerfd_create, -1);
+	int fd;
+	if(int e = mlibc::sys_timerfd_create(clockid, flags, &fd); e) {
+		errno = e;
+		return -1;
+	}
+	return fd;
+}
+
+int timerfd_settime(int fd, int flags, const struct itimerspec *value,
+		struct itimerspec *oldvalue) {
+	MLIBC_CHECK_OR_ENOSYS(mlibc::sys_timerfd_settime, -1);
+	if(int e = mlibc::sys_timerfd_settime(fd, flags, value, oldvalue); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int timerfd_gettime(int fd, struct itimerspec *its) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_timerfd_gettime, -1);
+	if(int e = sysdep(fd, its); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+

user/include/mlibc/options/linux/generic/sys-uio.cpp

@@ -0,0 +1,33 @@
+#include <errno.h>
+#include <sys/uio.h>
+
+#include <bits/ensure.h>
+#include <mlibc/linux-sysdeps.hpp>
+
+ssize_t process_vm_readv(pid_t pid,
+    const struct iovec *local_iov, unsigned long liovcnt,
+    const struct iovec *remote_iov, unsigned long riovcnt,
+    unsigned long flags) {
+    MLIBC_CHECK_OR_ENOSYS(mlibc::sys_process_vm_readv, -1);
+    ssize_t bytes_read;
+    if(int e = mlibc::sys_process_vm_readv(pid, local_iov, liovcnt,
+            remote_iov, riovcnt, flags, &bytes_read); e) {
+        errno = e;
+        return -1;
+    }
+    return bytes_read;
+}
+
+ssize_t process_vm_writev(pid_t pid,
+    const struct iovec *local_iov, unsigned long liovcnt,
+    const struct iovec *remote_iov, unsigned long riovcnt,
+    unsigned long flags) {
+    MLIBC_CHECK_OR_ENOSYS(mlibc::sys_process_vm_writev, -1);
+    ssize_t bytes_written;
+    if(int e = mlibc::sys_process_vm_writev(pid, local_iov, liovcnt,
+            remote_iov, riovcnt, flags, &bytes_written); e) {
+        errno = e;
+        return -1;
+    }
+    return bytes_written;
+}

user/include/mlibc/options/linux/generic/sys-xattr.cpp

@@ -0,0 +1,122 @@
+#include <errno.h>
+#include <sys/xattr.h>
+
+#include <mlibc/linux-sysdeps.hpp>
+#include <bits/ensure.h>
+
+int setxattr(const char *path, const char *name, const void *val, size_t size,
+		int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_setxattr, -1);
+
+	if (int e = sysdep(path, name, val, size, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int lsetxattr(const char *path, const char *name, const void *val, size_t size,
+		int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_lsetxattr, -1);
+
+	if (int e = sysdep(path, name, val, size, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+int fsetxattr(int fd, const char *name, const void *val, size_t size,
+		int flags) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fsetxattr, -1);
+
+	if (int e = sysdep(fd, name, val, size, flags); e) {
+		errno = e;
+		return -1;
+	}
+	return 0;
+}
+
+ssize_t getxattr(const char *path, const char *name, void *val, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_getxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, name, val, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+
+	return nread;
+}
+
+ssize_t lgetxattr(const char *path, const char *name, void *val, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_lgetxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, name, val, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+
+	return nread;
+}
+
+ssize_t fgetxattr(int fd, const char *name, void *val, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fgetxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(fd, name, val, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+
+	return nread;
+}
+
+int removexattr(const char *path, const char *name) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_removexattr, -1);
+	return sysdep(path, name);
+}
+
+int lremovexattr(const char *path, const char *name) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_lremovexattr, -1);
+	return sysdep(path, name);
+}
+
+int fremovexattr(int fd, const char *name) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_fremovexattr, -1);
+	return sysdep(fd, name);
+}
+
+ssize_t listxattr(const char *path, char *list, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_listxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, list, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+	return nread;
+}
+
+ssize_t llistxattr(const char *path, char *list, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_llistxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(path, list, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+	return nread;
+}
+
+ssize_t flistxattr(int fd, char *list, size_t size) {
+	auto sysdep = MLIBC_CHECK_OR_ENOSYS(mlibc::sys_flistxattr, -1);
+
+	ssize_t nread;
+	if (int e = sysdep(fd, list, size, &nread); e) {
+		errno = e;
+		return -1;
+	}
+	return nread;
+}

user/include/mlibc/options/linux/generic/utmp.cpp

@@ -0,0 +1,181 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <utmp.h>
+
+#include <bits/ensure.h>
+#include <frg/mutex.hpp>
+#include <frg/spinlock.hpp>
+#include <mlibc/debug.hpp>
+#include <mlibc/utmp.hpp>
+#include <mlibc/posix-sysdeps.hpp>
+
+namespace {
+
+constexpr const char *defaultUtmpPath = UTMP_FILE;
+
+const char *utmpPath = defaultUtmpPath;
+frg::ticket_spinlock utmpMutex;
+
+frg::optional<int> utmpFd = frg::null_opt;
+
+utmp returned;
+
+} // namespace
+
+void setutent(void) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(!utmpFd) {
+		int fd;
+		int err = mlibc::sys_open(utmpPath, O_RDWR | O_CREAT | O_CLOEXEC, 0644, &fd);
+		if(err) {
+			mlibc::infoLogger() << "\e[31mmlibc: setutent() failed to open " << utmpPath << ": "
+			                    << strerror(err) << "\e[39m" << frg::endlog;
+			utmpFd = frg::null_opt;
+		} else {
+			utmpFd = fd;
+		}
+	} else {
+		off_t discard;
+		mlibc::sys_seek(utmpFd.value(), 0, SEEK_SET, &discard);
+	}
+}
+
+struct utmp *getutent(void) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(!utmpFd)
+		setutent();
+	if(!utmpFd) {
+		errno = ENOENT;
+		return nullptr;
+	}
+
+	if(int e = mlibc::getUtmpEntry(*utmpFd, &returned); e) {
+		errno = e;
+		return nullptr;
+	}
+
+	return &returned;
+}
+
+int getutent_r(struct utmp *buf, struct utmp **res) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(!utmpFd)
+		setutent();
+	if(!utmpFd) {
+		*res = nullptr;
+		errno = ENOENT;
+		return -1;
+	}
+
+	if(int e = mlibc::getUtmpEntry(*utmpFd, buf); e) {
+		*res = nullptr;
+		errno = e;
+		return -1;
+	}
+
+	*res = buf;
+	return 0;
+}
+
+void endutent(void) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(utmpFd) {
+		mlibc::sys_close(utmpFd.value());
+		utmpFd = frg::null_opt;
+	}
+}
+
+struct utmp *pututline(const struct utmp *ut) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(!utmpFd)
+		setutent();
+	if(!utmpFd) {
+		errno = ENOENT;
+		return nullptr;
+	}
+
+	if(int e = mlibc::putUtmpEntry(*utmpFd, ut); e) {
+		errno = e;
+		return nullptr;
+	}
+
+	return (utmp *) ut;
+}
+
+struct utmp *getutline(const struct utmp *ut) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(!utmpFd)
+		setutent();
+	if(!utmpFd) {
+		errno = ENOENT;
+		return nullptr;
+	}
+
+	if(int e = mlibc::getUtmpEntryByType(*utmpFd, ut, &returned); e) {
+		errno = e;
+		return nullptr;
+	}
+
+	return &returned;
+}
+
+int utmpname(const char *file) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(strcmp(file, utmpPath)) {
+		if(!strcmp(file, defaultUtmpPath)) {
+			free((void *) utmpPath);
+			utmpPath = defaultUtmpPath;
+		} else {
+			char *name = strdup(file);
+			if(!name)
+				return -1;
+
+			if(utmpPath != defaultUtmpPath)
+				free((void *) utmpPath);
+
+			utmpPath = name;
+		}
+	}
+
+	return 0;
+}
+
+struct utmp *getutid(const struct utmp *ut) {
+	frg::unique_lock lock{utmpMutex};
+
+	if(!utmpFd)
+		setutent();
+	if(!utmpFd) {
+		errno = ENOENT;
+		return nullptr;
+	}
+
+	if(int e = mlibc::getUtmpEntryById(*utmpFd, ut, &returned); e) {
+		errno = e;
+		return nullptr;
+	}
+
+	return &returned;
+}
+
+void updwtmp(const char *file, const struct utmp *ut) {
+	int fd;
+	int err = mlibc::sys_open(file, O_RDWR | O_CREAT | O_CLOEXEC | O_APPEND, 0644, &fd);
+	if(err) {
+		mlibc::infoLogger() << "\e[31mmlibc: updwtmp() failed to open " << file << ": "
+							<< strerror(err) << "\e[39m" << frg::endlog;
+		return;
+	}
+
+	mlibc::putUtmpEntry(fd, ut);
+	mlibc::sys_close(fd);
+}

user/include/mlibc/options/linux/include/bits/linux/cpu_set.h

@@ -0,0 +1,49 @@
+#ifndef _BITS_LINUX_CPU_SET_H
+#define _BITS_LINUX_CPU_SET_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/cpu_set.h>
+#include <bits/size_t.h>
+#include <limits.h>
+#include <stdlib.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+cpu_set_t *__mlibc_cpu_alloc(int __num_cpus);
+size_t __mlibc_cpu_alloc_size(int __num_cpus);
+
+void __mlibc_cpu_zero(const size_t __setsize, cpu_set_t *__set);
+void __mlibc_cpu_set(const int __cpu, const size_t __setsize, cpu_set_t *__set);
+void __mlibc_cpu_clear(const int __cpu, const size_t __setsize, cpu_set_t *__set);
+int __mlibc_cpu_isset(const int __cpu, const size_t __setsize, const cpu_set_t *__set);
+int __mlibc_cpu_count(const size_t __setsize, const cpu_set_t *__set);
+
+#define CPU_ALLOC_SIZE(n) __mlibc_cpu_alloc_size((n))
+#define CPU_ALLOC(n) __mlibc_cpu_alloc((n))
+#define CPU_FREE(set) free((set))
+
+#define CPU_ZERO_S(setsize, set) __mlibc_cpu_zero((setsize), (set))
+#define CPU_ZERO(set) CPU_ZERO_S(sizeof(cpu_set_t), set)
+
+#define CPU_SET_S(cpu, setsize, set) __mlibc_cpu_set((cpu), (setsize), (set))
+#define CPU_SET(cpu, set) CPU_SET_S(cpu, sizeof(cpu_set_t), set)
+
+#define CPU_CLR_S(cpu, setsize, set) __mlibc_cpu_clear((cpu), (setsize), (set))
+#define CPU_CLR(cpu, set) CPU_CLR_S(cpu, sizeof(cpu_set_t), set)
+
+#define CPU_ISSET_S(cpu, setsize, set) __mlibc_cpu_isset((cpu), (setsize), (set))
+#define CPU_ISSET(cpu, set) CPU_ISSET_S(cpu, sizeof(cpu_set_t), set)
+
+#define CPU_COUNT_S(setsize, set) __mlibc_cpu_count((setsize), (set))
+#define CPU_COUNT(set) CPU_COUNT_S(sizeof(cpu_set_t), set)
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BITS_LINUX_CPU_SET_H */

user/include/mlibc/options/linux/include/bits/linux/linux_sched.h

@@ -0,0 +1,63 @@
+
+#ifndef _BITS_LINUX_SCHED_H
+#define _BITS_LINUX_SCHED_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/pid_t.h>
+#include <bits/size_t.h>
+#include <bits/linux/cpu_set.h>
+
+#define CLONE_VM 0x00000100
+#define CLONE_FS 0x00000200
+#define CLONE_FILES	0x00000400
+#define CLONE_SIGHAND 0x00000800
+#define CLONE_PIDFD 0x00001000
+#define CLONE_PTRACE 0x00002000
+#define CLONE_VFORK 0x00004000
+#define CLONE_PARENT 0x00008000
+#define CLONE_THREAD 0x00010000
+#define CLONE_NEWNS 0x00020000
+#define CLONE_SYSVSEM 0x00040000
+#define CLONE_SETTLS 0x00080000
+#define CLONE_PARENT_SETTID 0x00100000
+#define CLONE_CHILD_CLEARTID 0x00200000
+#define CLONE_DETACHED 0x00400000
+#define CLONE_UNTRACED 0x00800000
+#define CLONE_CHILD_SETTID 0x01000000
+#define CLONE_NEWCGROUP 0x02000000
+#define CLONE_NEWUTS 0x04000000
+#define CLONE_NEWIPC 0x08000000
+#define CLONE_NEWUSER 0x10000000
+#define CLONE_NEWPID 0x20000000
+#define CLONE_NEWNET 0x40000000
+#define CLONE_IO 0x80000000
+
+#define CLONE_CLEAR_SIGHAND 0x100000000ULL
+#define CLONE_INTO_CGROUP 0x200000000ULL
+
+#ifndef __MLIBC_ABI_ONLY
+
+int sched_getscheduler(pid_t __pid);
+int sched_setaffinity(pid_t __pid, size_t __cpusetsize, const cpu_set_t *__mask);
+int sched_getaffinity(pid_t __pid, size_t __cpusetsize, cpu_set_t *__mask);
+
+int unshare(int flags);
+int clone(int (*)(void *), void *, int, void *, ...);
+
+/* Glibc extension */
+int sched_getcpu(void);
+
+#if defined(_GNU_SOURCE)
+int setns(int fd, int nstype);
+#endif /* _GNU_SOURCE */
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BITS_LINUX_SCHED_H */

user/include/mlibc/options/linux/include/bits/linux/linux_stat.h

@@ -0,0 +1,20 @@
+#ifndef _BITS_LINUX_STAT_H
+#define _BITS_LINUX_STAT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/statx.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+int statx(int __dirfd, const char *__pathname, int __flags, unsigned int __mask, struct statx *__statxbuf);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BITS_LINUX_STAT_H */

user/include/mlibc/options/linux/include/bits/linux/linux_uio.h

@@ -0,0 +1,30 @@
+#ifndef _BITS_LINUX_UIO_H
+#define _BITS_LINUX_UIO_H
+
+#include <abi-bits/pid_t.h>
+#include <bits/posix/iovec.h>
+#include <bits/ssize_t.h>
+#include <mlibc-config.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+ssize_t process_vm_readv(pid_t pid,
+		const struct iovec *local_iov, unsigned long liovcnt,
+		const struct iovec *remote_iov, unsigned long riovcnt,
+		unsigned long flags);
+ssize_t process_vm_writev(pid_t pid,
+		const struct iovec *local_iov, unsigned long liovcnt,
+		const struct iovec *remote_iov, unsigned long riovcnt,
+		unsigned long flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BITS_LINUX_UIO_H */

user/include/mlibc/options/linux/include/bits/linux/linux_unistd.h

@@ -0,0 +1,21 @@
+#ifndef _BITS_LINUX_UNISTD_H
+#define _BITS_LINUX_UNISTD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int dup3(int __fd, int __newfd, int __flags);
+int vhangup(void);
+int getdtablesize(void);
+int syncfs(int __fd);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BITS_LINUX_UNISTD_H */

user/include/mlibc/options/linux/include/bits/linux/linux_utmp.h

@@ -0,0 +1,71 @@
+#ifndef  _BITS_LINUX_UTMP_H
+#define  _BITS_LINUX_UTMP_H
+
+#include <abi-bits/pid_t.h>
+#include <abi-bits/utmp-defines.h>
+#include <bits/posix/timeval.h>
+#include <bits/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define UT_LINESIZE 32
+#define UT_NAMESIZE 32
+#define UT_HOSTSIZE 256
+
+#define UTMP_FILENAME UTMP_FILE
+#define WTMP_FILENAME WTMP_FILE
+
+struct exit_status {
+	short int e_termination;
+	short int e_exit;
+};
+
+struct utmp {
+	short ut_type;
+	pid_t ut_pid;
+	char ut_line[UT_LINESIZE];
+	char ut_id[4];
+	char ut_user[UT_NAMESIZE];
+	char ut_host[UT_HOSTSIZE];
+	struct exit_status ut_exit;
+	long   ut_session;
+	struct timeval ut_tv;
+	__mlibc_int32 ut_addr_v6[4];
+	char __unused[20];
+};
+
+struct lastlog {
+	time_t ll_time;
+	char ll_line[UT_LINESIZE];
+	char ll_host[UT_HOSTSIZE];
+};
+
+/* Hacks for compability reasons */
+#define ut_name ut_user
+#ifndef _NO_UT_TIME
+#define ut_time ut_tv.tv_sec
+#endif
+#define ut_xtime ut_tv.tv_sec
+#define ut_addr ut_addr_v6[0]
+
+#ifndef __MLIBC_ABI_ONLY
+
+void setutent(void);
+struct utmp *getutent(void);
+int getutent_r(struct utmp *__buf, struct utmp **__res);
+void endutent(void);
+struct utmp *pututline(const struct utmp *__line);
+struct utmp *getutline(const struct utmp *__line);
+struct utmp *getutid(const struct utmp *__id);
+int utmpname(const char *__file);
+void updwtmp(const char *wtmp_file, const struct utmp *ut);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _BITS_LINUX_UTMP_H */

user/include/mlibc/options/linux/include/ifaddrs.h

@@ -0,0 +1,37 @@
+
+#ifndef  _IFADDRS_H
+#define  _IFADDRS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <netinet/in.h>
+#include <sys/socket.h>
+
+/* Struct definitions taken from musl */
+struct ifaddrs {
+	struct ifaddrs *ifa_next;
+	char *ifa_name;
+	unsigned ifa_flags;
+	struct sockaddr *ifa_addr;
+	struct sockaddr *ifa_netmask;
+	/* the man page (and glibc) place `ifa_broadaddr` and `ifa_dstaddr` in a union */
+	/* TODO: decide whether we should do it, too */
+	struct sockaddr *ifa_broadaddr;
+	struct sockaddr *ifa_dstaddr;
+	void *ifa_data;
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int getifaddrs(struct ifaddrs **__ifap);
+void freeifaddrs(struct ifaddrs *__ifa);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _IFADDRS_H */

user/include/mlibc/options/linux/include/lastlog.h

@@ -0,0 +1,2 @@
+/* Maches glibc */
+#include <utmp.h>

user/include/mlibc/options/linux/include/malloc.h

@@ -0,0 +1,32 @@
+
+#ifndef _MALLOC_H
+#define _MALLOC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/size_t.h>
+#include <mlibc-config.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+/* [7.22.3] Memory management functions */
+void *calloc(size_t __count, size_t __size);
+void free(void *__pointer);
+void *malloc(size_t __size);
+void *realloc(void *__pointer, size_t __size);
+void *memalign(size_t __alignment, size_t __size);
+
+#if __MLIBC_GLIBC_OPTION
+#include <bits/glibc/glibc_malloc.h>
+#endif
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MALLOC_H */
+

user/include/mlibc/options/linux/include/memory.h

@@ -0,0 +1,9 @@
+
+#ifndef _MEMORY_H
+#define _MEMORY_H
+
+/* This is a linux extension */
+#include <string.h>
+
+#endif /* _MEMORY_H */
+

user/include/mlibc/options/linux/include/mlibc/linux-sysdeps.hpp

@@ -0,0 +1,110 @@
+#ifndef MLIBC_LINUX_SYSDEPS
+#define MLIBC_LINUX_SYSDEPS
+
+#include <ifaddrs.h>
+#include <sched.h>
+#include <stdarg.h>
+#include <sys/epoll.h>
+#include <sys/sysinfo.h>
+#include <sys/statfs.h>
+#include <poll.h>
+#include <abi-bits/pid_t.h>
+#include <abi-bits/mode_t.h>
+#include <abi-bits/statx.h>
+#include <bits/off_t.h>
+#include <bits/ssize_t.h>
+#include <bits/size_t.h>
+
+namespace [[gnu::visibility("hidden")]] mlibc {
+
+int sys_open(const char *pathname, int flags, mode_t mode, int *fd);
+int sys_close(int fd);
+int sys_read(int fd, void *buf, size_t count, ssize_t *bytes_read);
+int sys_write(int fd, const void *buf, size_t count, ssize_t *bytes_written);
+int sys_ioctl(int fd, unsigned long request, void *arg, int *result);
+
+[[gnu::weak]] int sys_dup2(int fd, int flags, int newfd);
+[[gnu::weak]] int sys_fork(pid_t *child);
+[[gnu::weak]] int sys_inotify_create(int flags, int *fd);
+[[gnu::weak]] int sys_inotify_add_watch(int ifd, const char *path, uint32_t mask, int *wd);
+[[gnu::weak]] int sys_inotify_rm_watch(int ifd, int wd);
+[[gnu::weak]] int sys_epoll_create(int flags, int *fd);
+[[gnu::weak]] int sys_epoll_ctl(int epfd, int mode, int fd, struct epoll_event *ev);
+[[gnu::weak]] int sys_epoll_pwait(int epfd, struct epoll_event *ev, int n,
+		int timeout, const sigset_t *sigmask, int *raised);
+[[gnu::weak]] int sys_ppoll(struct pollfd *fds, nfds_t count, const struct timespec *ts,
+		const sigset_t *mask, int *num_events);
+[[gnu::weak]] int sys_mount(const char *source, const char *target,
+		const char *fstype, unsigned long flags, const void *data);
+[[gnu::weak]] int sys_umount2(const char *target, int flags);
+[[gnu::weak]] int sys_eventfd_create(unsigned int initval, int flags, int *fd);
+[[gnu::weak]] int sys_timerfd_create(int clockid, int flags, int *fd);
+[[gnu::weak]] int sys_timerfd_settime(int fd, int flags,
+		const struct itimerspec *value, struct itimerspec *oldvalue);
+[[gnu::weak]] int sys_timerfd_gettime(int fd, struct itimerspec *its);
+[[gnu::weak]] int sys_signalfd_create(const sigset_t *, int flags, int *fd);
+[[gnu::weak]] int sys_reboot(int cmd);
+[[gnu::weak]] int sys_ptrace(long req, pid_t pid, void *addr, void *data, long *out);
+[[gnu::weak]] int sys_prctl(int option, va_list va, int *out);
+[[gnu::weak]] int sys_init_module(void *module, unsigned long length, const char *args);
+[[gnu::weak]] int sys_delete_module(const char *name, unsigned flags);
+[[gnu::weak]] int sys_klogctl(int type, char *bufp, int len, int *out);
+[[gnu::weak]] int sys_getcpu(int *cpu);
+
+[[gnu::weak]] int sys_sysinfo(struct sysinfo *info);
+[[gnu::weak]] int sys_swapon(const char *path, int flags);
+[[gnu::weak]] int sys_swapoff(const char *path);
+
+[[gnu::weak]] int sys_setxattr(const char *path, const char *name,
+	const void *val, size_t size, int flags);
+[[gnu::weak]] int sys_lsetxattr(const char *path, const char *name,
+	const void *val, size_t size, int flags);
+[[gnu::weak]] int sys_fsetxattr(int fd, const char *name, const void *val,
+	size_t size, int flags);
+
+[[gnu::weak]] int sys_getxattr(const char *path, const char *name,
+	void *val, size_t size, ssize_t *nread);
+[[gnu::weak]] int sys_lgetxattr(const char *path, const char *name,
+	void *val, size_t size, ssize_t *nread);
+[[gnu::weak]] int sys_fgetxattr(int fd, const char *name, void *val,
+	size_t size, ssize_t *nread);
+
+[[gnu::weak]] int sys_listxattr(const char *path, char *list, size_t size,
+	ssize_t *nread);
+[[gnu::weak]] int sys_llistxattr(const char *path, char *list, size_t size,
+	ssize_t *nread);
+[[gnu::weak]] int sys_flistxattr(int fd, char *list, size_t size,
+	ssize_t *nread);
+
+[[gnu::weak]] int sys_removexattr(const char *path, const char *name);
+[[gnu::weak]] int sys_lremovexattr(const char *path, const char *name);
+[[gnu::weak]] int sys_fremovexattr(int fd, const char *name);
+
+[[gnu::weak]] int sys_statfs(const char *path, struct statfs *buf);
+[[gnu::weak]] int sys_fstatfs(int fd, struct statfs *buf);
+
+[[gnu::weak]] int sys_statx(int dirfd, const char *pathname, int flags, unsigned int mask, struct statx *statxbuf);
+
+[[gnu::weak]] int sys_getifaddrs(struct ifaddrs **);
+
+[[gnu::weak]] int sys_sendfile(int outfd, int infd, off_t *offset, size_t count, ssize_t *out);
+[[gnu::weak]] int sys_syncfs(int fd);
+[[gnu::weak]] int sys_unshare(int flags);
+[[gnu::weak]] int sys_setns(int fd, int nstype);
+
+[[gnu::weak]] int sys_pidfd_open(pid_t pid, unsigned int flags, int *outfd);
+[[gnu::weak]] int sys_pidfd_getpid(int fd, pid_t *outpid);
+[[gnu::weak]] int sys_pidfd_send_signal(int pidfd, int sig, siginfo_t *info, unsigned int flags);
+
+[[gnu::weak]] int sys_process_vm_readv(pid_t pid,
+		const struct iovec *local_iov, unsigned long liovcnt,
+		const struct iovec *remote_iov, unsigned long riovcnt,
+		unsigned long flags, ssize_t *out);
+[[gnu::weak]] int sys_process_vm_writev(pid_t pid,
+		const struct iovec *local_iov, unsigned long liovcnt,
+		const struct iovec *remote_iov, unsigned long riovcnt,
+		unsigned long flags, ssize_t *out);
+
+} // namespace mlibc
+
+#endif // MLIBX_LINUX_SYSDEPS

user/include/mlibc/options/linux/include/mntent.h

@@ -0,0 +1,50 @@
+#ifndef _MNTENT_H
+#define _MNTENT_H
+
+#include <stdio.h>
+
+/* TODO: Refer to _PATH_MOUNTED */
+#define MOUNTED "/etc/mtab"
+
+/* Generic mount options */
+#define MNTOPT_DEFAULTS "defaults"		/* Use all default options. */
+#define MNTOPT_RO       "ro"			/* Read only. */
+#define MNTOPT_RW       "rw"			/* Read/write. */
+#define MNTOPT_SUID     "suid"			/* Set uid allowed. */
+#define MNTOPT_NOSUID   "nosuid"		/* No set uid allowed. */
+#define MNTOPT_NOAUTO   "noauto"		/* Do not auto mount. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct mntent {
+	char *mnt_fsname;
+	char *mnt_dir;
+	char *mnt_type;
+	char *mnt_opts;
+	int mnt_freq;
+	int mnt_passno;
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+FILE *setmntent(const char *__filename, const char *__type);
+
+struct mntent *getmntent(FILE *__f);
+
+int addmntent(FILE *__f, const struct mntent *__mnt);
+
+int endmntent(FILE *__f);
+
+char *hasmntopt(const struct mntent *__mnt, const char *__opt);
+
+struct mntent *getmntent_r(FILE *__f, struct mntent *__mnt, char *__linebuf, int __buflen);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MNTENT_H */

user/include/mlibc/options/linux/include/module.h

@@ -0,0 +1,25 @@
+#ifndef _MODULE_H
+#define _MODULE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+/*
+ * Musl adds these, even though they aren't specified, but doesn't export them.
+ * See https://github.com/bminor/musl/commit/2169265ec6c902cd460bf96a1a0b5103657a4954
+ * for more information and the rationale behind it.
+ * For our infrastructure, we expose them, and make it call into the sysdeps.
+ */
+int init_module(void *__module, unsigned long __len, const char *__args);
+int delete_module(const char *__name, unsigned __flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MODULE_H */

user/include/mlibc/options/linux/include/netpacket/packet.h

@@ -0,0 +1,40 @@
+#ifndef _NETPACKET_PACKET_H
+#define _NETPACKET_PACKET_H
+
+#include <abi-bits/packet.h>
+
+/* Packet types */
+#define PACKET_HOST 0
+#define PACKET_BROADCAST 1
+#define PACKET_MULTICAST 2
+#define PACKET_OTHERHOST 3
+#define PACKET_OUTGOING 4
+#define PACKET_LOOPBACK 5
+#define PACKET_FASTROUTE 6
+
+struct sockaddr_ll {
+	unsigned short int sll_family;
+	unsigned short int sll_protocol;
+	int sll_ifindex;
+	unsigned short int sll_hatype;
+	unsigned char sll_pkttype;
+	unsigned char sll_halen;
+	unsigned char sll_addr[8];
+};
+
+struct packet_mreq {
+	int mr_ifindex;
+	unsigned short int mr_type;
+	unsigned short int mr_alen;
+	unsigned char mr_address[8];
+};
+
+#define PACKET_ADD_MEMBERSHIP 1
+#define PACKET_DROP_MEMBERSHIP 2
+
+#define PACKET_MR_MULTICAST 0
+#define PACKET_MR_PROMISC 1
+#define PACKET_MR_ALLMULTI 2
+#define PACKET_MR_UNICAST 3
+
+#endif /* _NETPACKET_PACKET_H */

user/include/mlibc/options/linux/include/scsi/scsi.h

@@ -0,0 +1,18 @@
+
+#ifndef _LINUX_SCSI_SCSI_H
+#define _LINUX_SCSI_SCSI_H
+
+#define RECOVERED_ERROR 0x01
+#define ILLEGAL_REQUEST 0x05
+#define UNIT_ATTENTION 0x06
+#define INQUIRY 0x12
+#define START_STOP 0x1b
+#define ALLOW_MEDIUM_REMOVAL 0x1e
+
+#define SCSI_IOCTL_GET_IDLUN 0x5382
+#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
+#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
+#define SCSI_IOCTL_PROBE_HOST 0x5385
+
+#endif /* _LINUX_SCSI_SCSI_H */
+

user/include/mlibc/options/linux/include/scsi/scsi_ioctl.h

@@ -0,0 +1,6 @@
+
+#ifndef _LINUX_SCSI_SCSI_IOCTL_H
+#define _LINUX_SCSI_SCSI_IOCTL_H
+
+#endif /* _LINUX_SCSI_SCSI_IOCTL_H */
+

user/include/mlibc/options/linux/include/scsi/sg.h

@@ -0,0 +1,79 @@
+
+#ifndef _LINUX_SCSI_SG_H
+#define _LINUX_SCSI_SG_H
+
+#define SG_IO 0x2285
+
+#define SG_GET_VERSION_NUM 0x2282
+
+#define SG_FLAG_DIRECT_IO 1
+#define SG_FLAG_LUN_INHIBIT 2
+
+#define SG_INFO_OK 0x0
+#define SG_INFO_OK_MASK 0x1
+
+#define SG_DXFER_NONE (-1)
+#define SG_DXFER_TO_DEV (-2)
+#define SG_DXFER_FROM_DEV (-3)
+#define SG_DXFER_TO_FROM_DEV (-4)
+
+#define SG_INFO_CHECK 0x1
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct sg_io_hdr {
+    int interface_id;
+    int dxfer_direction;
+    unsigned char cmd_len;
+    unsigned char mx_sb_len;
+    unsigned short iovec_count;
+    unsigned int dxfer_len;
+    void *dxferp;
+    unsigned char *cmdp;
+    unsigned char *sbp;
+    unsigned int timeout;
+    unsigned int flags;
+    int pack_id;
+    void *usr_ptr;
+    unsigned char status;
+    unsigned char masked_status;
+    unsigned char msg_status;
+    unsigned char sb_len_wr;
+    unsigned short host_status;
+    unsigned short driver_status;
+    int resid;
+    unsigned int duration;
+    unsigned int info;
+} sg_io_hdr_t;
+
+struct sg_scsi_id {
+    int host_no;
+    int channel;
+    int scsi_id;
+    int lun;
+    int scsi_type;
+    short int h_cmd_per_lun;
+    short int d_queue_depth;
+    int unused[2];
+};
+
+typedef struct sg_req_info {
+    char req_state;
+    char orphan;
+    char sg_io_owned;
+    char problem;
+    int pack_id;
+    void *usr_ptr;
+    unsigned int duration;
+
+    int unused;
+} sg_req_info_t;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _LINUX_SCSI_SG_H */
+

user/include/mlibc/options/linux/include/sys/epoll.h

@@ -0,0 +1,66 @@
+#ifndef	_SYS_EPOLL_H
+#define	_SYS_EPOLL_H
+
+#include <stdint.h>
+#include <abi-bits/signal.h>
+#include <abi-bits/epoll.h>
+#include <abi-bits/fcntl.h>
+
+#define EPOLL_NONBLOCK O_NONBLOCK
+
+/* These constants match the Linux definitions. */
+#define EPOLLIN 0x001
+#define EPOLLPRI 0x002
+#define EPOLLOUT 0x004
+#define EPOLLRDNORM 0x040
+#define EPOLLRDBAND 0x080
+#define EPOLLWRNORM 0x100
+#define EPOLLWRBAND 0x200
+#define EPOLLMSG 0x400
+#define EPOLLERR 0x008
+#define EPOLLHUP 0x010
+#define EPOLLRDHUP 0x2000
+#define EPOLLEXCLUSIVE (1U << 28)
+#define EPOLLWAKEUP (1U << 29)
+#define EPOLLONESHOT (1U << 30)
+#define EPOLLET (1U << 31)
+
+#define EPOLL_CTL_ADD 1
+#define EPOLL_CTL_DEL 2
+#define EPOLL_CTL_MOD 3
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef union epoll_data {
+	void *ptr;
+	int fd;
+	uint32_t u32;
+	uint64_t u64;
+} epoll_data_t;
+
+struct epoll_event {
+	uint32_t events;
+	epoll_data_t data;
+}
+#ifdef __x86_64__
+__attribute__((__packed__))
+#endif
+;
+
+#ifndef __MLIBC_ABI_ONLY
+
+int epoll_create(int __flags);
+int epoll_create1(int __flags);
+int epoll_ctl(int __epfd, int __mode, int __fd, struct epoll_event *__ev);
+int epoll_wait(int __epfd, struct epoll_event *__events, int __maxevents, int __timeout);
+int epoll_pwait(int __epfd, struct epoll_event *__events, int __maxevents, int __timeout, const sigset_t *__sigmask);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_EPOLL_H */

user/include/mlibc/options/linux/include/sys/eventfd.h

@@ -0,0 +1,29 @@
+#ifndef _SYS_EVENTFD_H
+#define _SYS_EVENTFD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <fcntl.h>
+
+typedef uint64_t eventfd_t;
+
+#define EFD_SEMAPHORE 1
+#define EFD_CLOEXEC O_CLOEXEC
+#define EFD_NONBLOCK O_NONBLOCK
+
+#ifndef __MLIBC_ABI_ONLY
+
+int eventfd(unsigned int __initval, int __flags);
+int eventfd_read(int __fd, eventfd_t *__value);
+int eventfd_write(int __fd, eventfd_t __value);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_EVENTFD_H */

user/include/mlibc/options/linux/include/sys/fsuid.h

@@ -0,0 +1,22 @@
+#ifndef _SYS_FSUID_H
+#define _SYS_FSUID_H
+
+#include <abi-bits/uid_t.h>
+#include <abi-bits/gid_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int setfsuid(uid_t __uid);
+int setfsgid(gid_t __gid);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_FSUID_H */

user/include/mlibc/options/linux/include/sys/inotify.h

@@ -0,0 +1,71 @@
+#ifndef _SYS_INOTIFY_H
+#define _SYS_INOTIFY_H
+
+#include <stdint.h>
+#include <abi-bits/fcntl.h>
+#include <abi-bits/inotify.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define IN_ACCESS 0x1
+#define IN_ATTRIB 0x4
+#define IN_CLOSE_WRITE 0x8
+#define IN_CLOSE_NOWRITE 0x10
+#define IN_CREATE 0x100
+#define IN_DELETE 0x200
+#define IN_DELETE_SELF 0x400
+#define IN_MODIFY 0x2
+#define IN_MOVE_SELF 0x800
+#define IN_MOVED_FROM 0x40
+#define IN_MOVED_TO 0x80
+#define IN_OPEN 0x20
+#define IN_MOVE (IN_MOVED_FROM | IN_MOVED_TO)
+#define IN_CLOSE (IN_CLOSE_WRITE | IN_CLOSE_NOWRITE)
+#define IN_DONT_FOLLOW 0x2000000
+#define IN_EXCL_UNLINK 0x4000000
+#define IN_MASK_ADD 0x20000000
+#define IN_ONESHOT 0x80000000
+#define IN_ONLYDIR 0x1000000
+#define IN_IGNORED 0x8000
+#define IN_ISDIR 0x40000000
+#define IN_Q_OVERFLOW 0x4000
+#define IN_UNMOUNT 0x2000
+
+#define IN_ALL_EVENTS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
+			 IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \
+			 IN_MOVED_TO | IN_DELETE | IN_CREATE | IN_DELETE_SELF | \
+			 IN_MOVE_SELF)
+
+struct inotify_event {
+	int wd;
+	unsigned int mask;
+	unsigned int cookie;
+	unsigned int len;
+
+/*
+ * glibc uses a flexible array member here, but we get a warning and they don't:
+ * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117241
+ */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpedantic"
+	char name[];
+#pragma GCC diagnostic pop
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int inotify_init(void);
+int inotify_init1(int __flags);
+int inotify_add_watch(int __ifd, const char *__path, uint32_t __mask);
+int inotify_rm_watch(int __ifd, int __wd);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_SYS_INOTIFY_H */
+

user/include/mlibc/options/linux/include/sys/klog.h

@@ -0,0 +1,18 @@
+#ifndef _SYS_KLOG_H
+#define _SYS_KLOG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int klogctl(int __type, char *__bufp, int __len);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_KLOG_H */

user/include/mlibc/options/linux/include/sys/mount.h

@@ -0,0 +1,90 @@
+#ifndef _SYS_MOUNT_H
+#define _SYS_MOUNT_H
+
+#include <sys/ioctl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define MS_RDONLY 1
+#define MS_NOSUID 2
+#define MS_NODEV 4
+#define MS_NOEXEC 8
+#define MS_SYNCHRONOUS 16
+#define MS_REMOUNT 32
+#define MS_MANDLOCK 64
+#define MS_DIRSYNC 128
+#define MS_NOSYMFOLLOW 256
+#define MS_NOATIME 1024
+#define MS_NODIRATIME 2048
+#define MS_BIND 4096
+#define MS_MOVE 8192
+#define MS_REC 16384
+#define MS_SILENT 32768
+#define MS_POSIXACL (1 << 16)
+#define MS_UNBINDABLE (1 << 17)
+#define MS_PRIVATE (1 << 18)
+#define MS_SLAVE (1 << 19)
+#define MS_SHARED (1 << 20)
+#define MS_RELATIME (1 << 21)
+#define MS_KERNMOUNT (1 << 22)
+#define MS_I_VERSION (1 << 23)
+#define MS_STRICTATIME (1 << 24)
+#define MS_LAZYTIME (1 << 25)
+#define MS_NOREMOTELOCK (1 << 27)
+#define MS_NOSEC (1 << 28)
+#define MS_BORN (1 << 29)
+#define MS_ACTIVE (1 << 30)
+#define MS_NOUSER (1 << 31)
+
+#define MNT_FORCE 1
+#define MNT_DETACH 2
+#define MNT_EXPIRE 4
+#define UMOUNT_NOFOLLOW 8
+
+#undef BLKROSET
+#define BLKROSET _IO(0x12, 93)
+#undef BLKROGET
+#define BLKROGET _IO(0x12, 94)
+#undef BLKRRPART
+#define BLKRRPART _IO(0x12, 95)
+#undef BLKGETSIZE
+#define BLKGETSIZE _IO(0x12, 96)
+#undef BLKFLSBUF
+#define BLKFLSBUF _IO(0x12, 97)
+#undef BLKRASET
+#define BLKRASET _IO(0x12, 98)
+#undef BLKRAGET
+#define BLKRAGET _IO(0x12, 99)
+#undef BLKFRASET
+#define BLKFRASET _IO(0x12, 100)
+#undef BLKFRAGET
+#define BLKFRAGET _IO(0x12, 101)
+#undef BLKSECTSET
+#define BLKSECTSET _IO(0x12, 102)
+#undef BLKSECTGET
+#define BLKSECTGET _IO(0x12, 103)
+#undef BLKSSZGET
+#define BLKSSZGET _IO(0x12, 104)
+#undef BLKBSZGET
+#define BLKBSZGET _IOR(0x12, 112, size_t)
+#undef BLKBSZSET
+#define BLKBSZSET _IOW(0x12, 113, size_t)
+#undef BLKGETSIZE64
+#define BLKGETSIZE64 _IOR(0x12, 114, size_t)
+
+#ifndef __MLIBC_ABI_ONLY
+
+int mount(const char *__source, const char *__target,
+		const char *__fstype, unsigned long __flags, const void *__data);
+int umount(const char *__target);
+int umount2(const char *__target, int __flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_MOUNT_H */

user/include/mlibc/options/linux/include/sys/pidfd.h

@@ -0,0 +1,26 @@
+#ifndef _SYS_PIDFD_H
+#define _SYS_PIDFD_H
+
+#include <abi-bits/fcntl.h>
+#include <abi-bits/pid_t.h>
+#include <abi-bits/signal.h>
+
+#define PIDFD_NONBLOCK O_NONBLOCK
+
+#ifndef __MLIBC_ABI_ONLY
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int pidfd_open(pid_t __pid, unsigned int __flags);
+pid_t pidfd_getpid(int __fd);
+int pidfd_send_signal(int __pidfd, int __sig, siginfo_t *__info, unsigned int __flags);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#endif /* _SYS_PIDFD_H */

user/include/mlibc/options/linux/include/sys/prctl.h

@@ -0,0 +1,128 @@
+
+#ifndef _SYS_PRCTL_H
+#define _SYS_PRCTL_H
+
+#include <stdint.h>
+
+#define PR_SET_PDEATHSIG 1
+#define PR_GET_PDEATHSIG 2
+#define PR_GET_DUMPABLE 3
+#define PR_SET_DUMPABLE 4
+#define PR_GET_UNALIGN 5
+#define PR_SET_UNALIGN 6
+#define PR_UNALIGN_NOPRINT 1
+#define PR_UNALIGN_SIGBUS 2
+#define PR_GET_KEEPCAPS 7
+#define PR_SET_KEEPCAPS 8
+#define PR_GET_FPEMU 9
+#define PR_SET_FPEMU 10
+#define PR_FPEMU_NOPRINT 1
+#define PR_FPEMU_SIGFPE 2
+#define PR_GET_FPEXC 11
+#define PR_SET_FPEXC 12
+#define PR_FP_EXC_SW_ENABLE 0x80
+#define PR_FP_EXC_DIV 0x010000
+#define PR_FP_EXC_OVF 0x020000
+#define PR_FP_EXC_UND 0x040000
+#define PR_FP_EXC_RES 0x080000
+#define PR_FP_EXC_INV 0x100000
+#define PR_FP_EXC_DISABLED 0
+#define PR_FP_EXC_NONRECOV 1
+#define PR_FP_EXC_ASYNC 2
+#define PR_FP_EXC_PRECISE 3
+#define PR_GET_TIMING 13
+#define PR_SET_TIMING 14
+#define PR_TIMING_STATISTICAL 0
+#define PR_TIMING_TIMESTAMP 1
+#define PR_SET_NAME 15
+#define PR_GET_NAME 16
+#define PR_GET_ENDIAN 19
+#define PR_SET_ENDIAN 20
+#define PR_ENDIAN_BIG 0
+#define PR_ENDIAN_LITTLE 1
+#define PR_ENDIAN_PPC_LITTLE 2
+#define PR_GET_SECCOMP 21
+#define PR_SET_SECCOMP 22
+#define PR_CAPBSET_READ 23
+#define PR_CAPBSET_DROP 24
+#define PR_GET_TSC 25
+#define PR_SET_TSC 26
+#define PR_TSC_ENABLE 1
+#define PR_TSC_SIGSEGV 2
+#define PR_GET_SECUREBITS 27
+#define PR_SET_SECUREBITS 28
+#define PR_SET_TIMERSLACK 29
+#define PR_GET_TIMERSLACK 30
+
+#define PR_TASK_PERF_EVENTS_DISABLE 31
+#define PR_TASK_PERF_EVENTS_ENABLE 32
+
+#define PR_MCE_KILL 33
+#define PR_MCE_KILL_CLEAR 0
+#define PR_MCE_KILL_SET 1
+#define PR_MCE_KILL_LATE 0
+#define PR_MCE_KILL_EARLY 1
+#define PR_MCE_KILL_DEFAULT 2
+#define PR_MCE_KILL_GET 34
+
+#define PR_SET_MM 35
+#define PR_SET_MM_START_CODE 1
+#define PR_SET_MM_END_CODE 2
+#define PR_SET_MM_START_DATA 3
+#define PR_SET_MM_END_DATA 4
+#define PR_SET_MM_START_STACK 5
+#define PR_SET_MM_START_BRK 6
+#define PR_SET_MM_BRK 7
+#define PR_SET_MM_ARG_START 8
+#define PR_SET_MM_ARG_END 9
+#define PR_SET_MM_ENV_START 10
+#define PR_SET_MM_ENV_END 11
+#define PR_SET_MM_AUXV 12
+#define PR_SET_MM_EXE_FILE 13
+#define PR_SET_MM_MAP 14
+#define PR_SET_MM_MAP_SIZE 15
+
+#define PR_SET_PTRACER 0x59616d61
+#define PR_SET_PTRACER_ANY (-1UL)
+
+#define PR_SET_CHILD_SUBREAPER 36
+#define PR_GET_CHILD_SUBREAPER 37
+
+#define PR_SET_NO_NEW_PRIVS 38
+#define PR_GET_NO_NEW_PRIVS 39
+
+#define PR_GET_TID_ADDRESS 40
+
+#define PR_SET_THP_DISABLE 41
+#define PR_GET_THP_DISABLE 42
+
+#define PR_MPX_ENABLE_MANAGEMENT 43
+#define PR_MPX_DISABLE_MANAGEMENT 44
+
+#define PR_SET_FP_MODE 45
+#define PR_GET_FP_MODE 46
+#define PR_FP_MODE_FR (1 << 0)
+#define PR_FP_MODE_FRE (1 << 1)
+
+#define PR_CAP_AMBIENT 47
+#define PR_CAP_AMBIENT_IS_SET 1
+#define PR_CAP_AMBIENT_RAISE 2
+#define PR_CAP_AMBIENT_LOWER 3
+#define PR_CAP_AMBIENT_CLEAR_ALL 4
+
+#ifndef __MLIBC_ABI_ONLY
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int prctl(int __op, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#endif /* _SYS_PRCTL_H */
+

user/include/mlibc/options/linux/include/sys/ptrace.h

@@ -0,0 +1,55 @@
+
+#ifndef _SYS_PTRACE_H
+#define _SYS_PTRACE_H
+
+#include <abi-bits/ptrace.h>
+#include <stdint.h>
+
+#define PTRACE_TRACEME 0
+#define PT_TRACE_ME PTRACE_TRACEME
+
+#define PT_READ_I PTRACE_PEEKTEXT
+#define PT_READ_D PTRACE_PEEKDATA
+#define PT_READ_U PTRACE_PEEKUSER
+#define PT_WRITE_I PTRACE_POKETEXT
+#define PT_WRITE_D PTRACE_POKEDATA
+#define PT_WRITE_U PTRACE_POKEUSER
+#define PT_CONTINUE PTRACE_CONT
+#define PT_KILL PTRACE_KILL
+#define PT_STEP PTRACE_SINGLESTEP
+#define PT_GETREGS PTRACE_GETREGS
+#define PT_SETREGS PTRACE_SETREGS
+#define PT_GETFPREGS PTRACE_GETFPREGS
+#define PT_SETFPREGS PTRACE_SETFPREGS
+#define PT_ATTACH PTRACE_ATTACH
+#define PT_DETACH PTRACE_DETACH
+#define PT_GETFPXREGS PTRACE_GETFPXREGS
+#define PT_SETFPXREGS PTRACE_SETFPXREGS
+#define PT_SYSCALL PTRACE_SYSCALL
+#define PT_SETOPTIONS PTRACE_SETOPTIONS
+#define PT_GETEVENTMSG PTRACE_GETEVENTMSG
+#define PT_GETSIGINFO PTRACE_GETSIGINFO
+#define PT_SETSIGINFO PTRACE_SETSIGINFO
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct ptrace_peeksiginfo_args {
+	uint64_t offset;
+	uint32_t flags;
+	int32_t nr;
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+long ptrace(int __op, ...);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_PTRACE_H */
+

user/include/mlibc/options/linux/include/sys/quota.h

@@ -0,0 +1,24 @@
+#ifndef	_SYS_QUOTA_H
+#define	_SYS_QUOTA_H
+
+#include <sys/types.h>
+
+#define SUBCMDMASK 0x00ff
+#define SUBCMDSHIFT 8
+#define QCMD(cmd, type) (((cmd) << SUBCMDSHIFT) | ((type) & SUBCMDMASK))
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int quotactl(int __cmd, const char *__special, int __id, caddr_t __addr);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_QUOTA_H */

user/include/mlibc/options/linux/include/sys/random.h

@@ -0,0 +1,24 @@
+
+#ifndef _SYS_RANDOM_H
+#define _SYS_RANDOM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/random.h>
+#include <bits/ssize_t.h>
+#include <bits/size_t.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+ssize_t getrandom(void *__buffer, size_t __max_size, unsigned int __flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*_SYS_RANDOM_H */
+

user/include/mlibc/options/linux/include/sys/reboot.h

@@ -0,0 +1,20 @@
+#ifndef MLIBC_SYS_REBOOT_H
+#define MLIBC_SYS_REBOOT_H
+
+#include <abi-bits/reboot.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int reboot(int __arg);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MLIBC_SYS_REBOOT_H */

user/include/mlibc/options/linux/include/sys/sendfile.h

@@ -0,0 +1,22 @@
+
+#ifndef _SYS_SENDFILE_H_
+#define _SYS_SENDFILE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <unistd.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+ssize_t sendfile(int __out_fd, int __in_fd, off_t *__offset, size_t __size);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SENDFILE_H_ */
+

user/include/mlibc/options/linux/include/sys/signalfd.h

@@ -0,0 +1,48 @@
+#ifndef _SYS_SIGNALFD_H
+#define _SYS_SIGNALFD_H
+
+/* TODO: Define sigset separately and remove this include. */
+#include <signal.h>
+/* musl includes those. Restructure this so we do not need them? */
+#include <stdint.h>
+#include <fcntl.h>
+
+#define SFD_CLOEXEC O_CLOEXEC
+#define SFD_NONBLOCK O_NONBLOCK
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct signalfd_siginfo {
+	uint32_t  ssi_signo;
+	int32_t   ssi_errno;
+	int32_t   ssi_code;
+	uint32_t  ssi_pid;
+	uint32_t  ssi_uid;
+	int32_t   ssi_fd;
+	uint32_t  ssi_tid;
+	uint32_t  ssi_band;
+	uint32_t  ssi_overrun;
+	uint32_t  ssi_trapno;
+	int32_t   ssi_status;
+	int32_t   ssi_int;
+	uint64_t  ssi_ptr;
+	uint64_t  ssi_utime;
+	uint64_t  ssi_stime;
+	uint64_t  ssi_addr;
+	uint16_t  ssi_addr_lsb;
+	uint8_t   pad[128-12*4-4*8-2];
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int signalfd(int __fd, const sigset_t *__mask, int __flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SIGNALFD_H */

user/include/mlibc/options/linux/include/sys/statfs.h

@@ -0,0 +1,23 @@
+#ifndef _SYS_STATFS_H
+#define _SYS_STATFS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <abi-bits/statfs.h>
+
+#ifndef __MLIBC_ABI_ONLY
+
+int statfs(const char *__path, struct statfs *__buf);
+int fstatfs(int __fd, struct statfs *__buf);
+int fstatfs64(int __fd, struct statfs64 *__buf);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_STATFS_H */
+

user/include/mlibc/options/linux/include/sys/swap.h

@@ -0,0 +1,24 @@
+#ifndef _SYS_SWAP_H
+#define _SYS_SWAP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define SWAP_FLAG_PREFER 0x8000
+#define SWAP_FLAG_PRIO_MASK 0x7fff
+#define SWAP_FLAG_PRIO_SHIFT 0
+#define SWAP_FLAG_DISCARD 0x10000
+
+#ifndef __MLIBC_ABI_ONLY
+
+int swapon(const char *__path, int __flags);
+int swapoff(const char *__path);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SWAP_H */

user/include/mlibc/options/linux/include/sys/sysinfo.h

@@ -0,0 +1,46 @@
+#ifndef _SYS_SYSINFO_H
+#define _SYS_SYSINFO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* TODO: This is from the Linux ABI. Make this an abi-bit. */
+
+struct sysinfo {
+	long uptime;
+	unsigned long loads[3];
+	unsigned long totalram;
+	unsigned long freeram;
+	unsigned long sharedram;
+	unsigned long bufferram;
+	unsigned long totalswap;
+	unsigned long freeswap;
+	unsigned short procs;
+	unsigned long totalhigh;
+	unsigned long freehigh;
+	unsigned int mem_unit;
+
+	/* This is how the kernel header defines it, so suppress the warning. */
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpedantic"
+	char _f[20 - 2 * sizeof(long) - sizeof(int)]; /* Padding to 64 bytes according to my man page */
+#pragma GCC diagnostic pop
+};
+
+#define SI_LOAD_SHIFT 16
+
+#ifndef __MLIBC_ABI_ONLY
+
+int sysinfo(struct sysinfo *__info);
+
+int get_nprocs(void);
+int get_nprocs_conf(void);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SYSINFO_H */

user/include/mlibc/options/linux/include/sys/sysmacros.h

@@ -0,0 +1,35 @@
+#ifndef _SYS_SYSMACROS_H
+#define _SYS_SYSMACROS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/inline-definition.h>
+
+__MLIBC_INLINE_DEFINITION unsigned int __mlibc_dev_major(
+		unsigned long long int __dev) {
+  return ((__dev >> 8) & 0xfff) | ((unsigned int)(__dev >> 32) & ~0xfff);
+}
+
+__MLIBC_INLINE_DEFINITION unsigned int __mlibc_dev_minor(
+		unsigned long long int __dev) {
+  return (__dev & 0xff) | ((unsigned int)(__dev >> 12) & ~0xff);
+}
+
+__MLIBC_INLINE_DEFINITION unsigned long long int __mlibc_dev_makedev(
+		unsigned int __major, unsigned int __minor) {
+  return ((__minor & 0xff) | ((__major & 0xfff) << 8)
+	  | (((unsigned long long int)(__minor & ~0xff)) << 12)
+	  | (((unsigned long long int)(__major & ~0xfff)) << 32));
+}
+
+#define major(dev) __mlibc_dev_major(dev)
+#define minor(dev) __mlibc_dev_minor(dev)
+#define makedev(major, minor) __mlibc_dev_makedev(major, minor)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_SYSMACROS_H */

user/include/mlibc/options/linux/include/sys/timerfd.h

@@ -0,0 +1,32 @@
+#ifndef _SYS_TIMERFD_H
+#define _SYS_TIMERFD_H
+
+/* musl includes those. Refactor and remove them? */
+#include <time.h>
+#include <fcntl.h>
+
+#define TFD_NONBLOCK O_NONBLOCK
+#define TFD_CLOEXEC O_CLOEXEC
+
+#define TFD_TIMER_ABSTIME 1
+#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct itimerspec;
+
+#ifndef __MLIBC_ABI_ONLY
+
+int timerfd_create(int __clockid, int __flags);
+int timerfd_settime(int __fd, int __flags, const struct itimerspec *__value, struct itimerspec *__oldvalue);
+int timerfd_gettime(int __fd, struct itimerspec *__value);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_TIMERFD_H */

user/include/mlibc/options/linux/include/sys/vfs.h

@@ -0,0 +1,16 @@
+
+#ifndef _SYS_VFS_H
+#define _SYS_VFS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/statfs.h>
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_VFS_H */
+

user/include/mlibc/options/linux/include/sys/vt.h

@@ -0,0 +1,6 @@
+#ifndef _SYS_VT_H
+#define _SYS_VT_H
+
+#include <abi-bits/vt.h>
+
+#endif /* _SYS_VT_H */

user/include/mlibc/options/linux/include/sys/xattr.h

@@ -0,0 +1,38 @@
+#ifndef _MLIBC_LINUX_SYS_XATTR_H
+#define _MLIBC_LINUX_SYS_XATTR_H
+
+#include <sys/types.h>
+#include <abi-bits/xattr.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+int setxattr(const char *__path, const char *__name, const void *__val, size_t __size,
+	int __flags);
+int lsetxattr(const char *__path, const char *__name, const void *__val, size_t __size,
+	int __flags);
+int fsetxattr(int __fd, const char *__name, const void *__val, size_t __size,
+	int __flags);
+
+ssize_t getxattr(const char *__path, const char *__name, void *__val, size_t __size);
+ssize_t lgetxattr(const char *__path, const char *__name, void *__val, size_t __size);
+ssize_t fgetxattr(int __fd, const char *__name, void *__val, size_t __size);
+
+ssize_t listxattr(const char *__path, char *__list, size_t __size);
+ssize_t llistxattr(const char *__path, char *__list, size_t __size);
+ssize_t flistxattr(int __fd, char *__list, size_t __size);
+
+int removexattr(const char *__path, const char *__name);
+int lremovexattr(const char *__path, const char *__name);
+int fremovexattr(int __fd, const char *__name);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _MLIBC_LINUX_SYS_XATTR_H */

user/include/mlibc/options/linux/include/values.h

@@ -0,0 +1,39 @@
+
+#ifndef _VALUES_H
+#define _VALUES_H
+
+#include <limits.h>
+#include <float.h>
+
+#define CHARBITS (sizeof(char) * 8)
+#define SHORTBITS (sizeof(short) * 8)
+#define INTBITS (sizeof(int) * 8)
+#define LONGBITS (sizeof(long) * 8)
+#define PTRBITS (sizeof(char *) * 8)
+#define DOUBLEBITS (sizeof(double) * 8)
+#define FLOATBITS (sizeof(float) * 8)
+
+#define MINSHORT SHRT_MIN
+#define MININT INT_MIN
+#define MINLONG LONG_MIN
+
+#define MAXSHORT SHRT_MAX
+#define MAXINT INT_MAX
+#define MAXLONG LONG_MAX
+
+#define HIBITS MINSHORT
+#define HIBITL MINLONG
+
+#define MAXDOUBLE DBL_MAX
+#define MAXFLOAT FLT_MAX
+#define MINDOUBLE DBL_MIN
+#define MINFLOAT FLT_MIN
+#define DMINEXP DBL_MIN_EXP
+#define FMINEXP FLT_MIN_EXP
+#define DMAXEXP DBL_MAX_EXP
+#define FMAXEXP FLT_MAX_EXP
+
+#define BITSPERBYTE CHAR_BIT
+
+#endif /* _VALUES_H */
+

user/include/mlibc/options/linux/meson.build

@@ -0,0 +1,94 @@
+
+if not linux_option
+	subdir_done()
+endif
+libc_sources += files(
+	'generic/mntent.cpp',
+	'generic/sys-epoll.cpp',
+	'generic/sys-inotify.cpp',
+	'generic/sys-mount.cpp',
+	'generic/sys-prctl.cpp',
+	'generic/sys-ptrace.cpp',
+	'generic/sys-random.cpp',
+	'generic/sys-sendfile.cpp',
+	'generic/sys-signalfd.cpp',
+	'generic/sys-timerfd.cpp',
+	'generic/sys-uio.cpp',
+	'generic/sys-eventfd.cpp',
+	'generic/sys-reboot.cpp',
+	'generic/sys-xattr.cpp',
+	'generic/utmp.cpp',
+	'generic/linux-unistd.cpp',
+	'generic/malloc.cpp',
+	'generic/sys-fsuid.cpp',
+	'generic/ifaddrs.cpp',
+	'generic/sys-sysinfo.cpp',
+	'generic/module.cpp',
+	'generic/sys-klog.cpp',
+	'generic/sched.cpp',
+	'generic/sys-quota.cpp',
+	'generic/capabilities.cpp',
+	'generic/cpuset.cpp',
+	'generic/sys-swap.cpp',
+	'generic/sys-statfs.cpp',
+	'generic/sys-statx.cpp',
+	'generic/sys-pidfd.cpp',
+)
+
+if not no_headers
+	install_headers(
+		'include/ifaddrs.h',
+		'include/malloc.h',
+		'include/memory.h',
+		'include/mntent.h',
+		'include/values.h',
+		'include/lastlog.h',
+		'include/module.h',
+	)
+	install_headers(
+		'include/bits/linux/linux_unistd.h',
+		'include/bits/linux/linux_sched.h',
+		'include/bits/linux/linux_stat.h',
+		'include/bits/linux/linux_uio.h',
+		'include/bits/linux/linux_utmp.h',
+		'include/bits/linux/cpu_set.h',
+		subdir: 'bits/linux'
+	)
+	install_headers(
+		'include/netpacket/packet.h',
+		subdir: 'netpacket'
+	)
+	# libc provides these, not the kernel, so the Linux option shall provide them too.
+	install_headers(
+		'include/scsi/scsi.h',
+		'include/scsi/scsi_ioctl.h',
+		'include/scsi/sg.h',
+		subdir: 'scsi'
+	)
+	install_headers(
+		'include/sys/epoll.h',
+		'include/sys/inotify.h',
+		'include/sys/mount.h',
+		'include/sys/prctl.h',
+		'include/sys/ptrace.h',
+		'include/sys/random.h',
+		'include/sys/sendfile.h',
+		'include/sys/signalfd.h',
+		'include/sys/sysmacros.h',
+		'include/sys/timerfd.h',
+		'include/sys/eventfd.h',
+		'include/sys/reboot.h',
+		'include/sys/fsuid.h',
+		'include/sys/vt.h',
+		'include/sys/sysinfo.h',
+		'include/sys/klog.h',
+		'include/sys/xattr.h',
+		'include/sys/quota.h',
+		'include/sys/swap.h',
+		'include/sys/statfs.h',
+		'include/sys/vfs.h',
+		'include/sys/pidfd.h',
+		subdir: 'sys'
+	)
+endif
+