user: implement mlibc as the libc, finally.

It's finally done.. Signed-off-by: kaguya <vpshinomiya@protonmail.com>
2026-05-02 03:31:49 -04:00
parent 2fa39ad85a
commit 9a9b91c940
2387 changed files with 152741 additions and 315 deletions
@@ -0,0 +1,85 @@
+
+#ifndef _FCNTL_H
+#define _FCNTL_H
+
+#include <abi-bits/fcntl.h>
+#include <abi-bits/seek-whence.h>
+#include <abi-bits/mode_t.h>
+#include <abi-bits/pid_t.h>
+#include <bits/posix/iovec.h>
+#include <bits/off_t.h>
+#include <bits/ssize_t.h>
+#include <bits/size_t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define O_NDELAY O_NONBLOCK
+
+/* WARNING: keep `flock` and `flock64` in sync or bad things will happen! */
+
+struct flock {
+	short l_type;
+	short l_whence;
+	off_t l_start;
+	off_t l_len;
+	pid_t l_pid;
+};
+
+struct flock64 {
+	short l_type;
+	short l_whence;
+	off_t l_start;
+	off_t l_len;
+	pid_t l_pid;
+};
+
+#ifndef __MLIBC_ABI_ONLY
+
+int creat(const char *__path, mode_t __mode);
+int fallocate(int __fd, int __mode, off_t __offset, off_t __len);
+int fcntl(int __fd, int __command, ...);
+int open(const char *__path, int __flags, ...);
+int open64(const char *__path, int __flags, ...);
+int openat(int __dirfd, const char *__path, int __flags, ...);
+int posix_fadvise(int __fd, off_t __offset, off_t __size, int __advice);
+int posix_fallocate(int __fd, off_t __offset, off_t __size);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+/* This is a linux extension */
+#ifdef _GNU_SOURCE
+struct file_handle {
+        unsigned int handle_bytes;
+        int handle_type;
+        __extension__ unsigned char f_handle[0];
+};
+#endif
+
+#ifndef __MLIBC_ABI_ONLY
+
+#ifdef _GNU_SOURCE
+int name_to_handle_at(int __dirfd, const char *__path, struct file_handle *__handle, int *__mount_id, int __flags);
+int open_by_handle_at(int __dirfd, struct file_handle *__handle, int __flags);
+#endif
+
+ssize_t splice(int __fd_in, off_t *__off_in, int __fd_out, off_t *__off_out, size_t __len, unsigned int __flags);
+ssize_t vmsplice(int __fd, const struct iovec *__iov, size_t __nr_segs, unsigned int __flags);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#define SPLICE_F_MOVE 1
+#define SPLICE_F_NONBLOCK 2
+#define SPLICE_F_MORE 4
+#define SPLICE_F_GIFT 8
+
+#define FALLOC_FL_KEEP_SIZE 1
+#define FALLOC_FL_PUNCH_HOLE 2
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FCNTL_H */
+