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 +1,113 @@
+
+#ifndef MLIBC_POSIX_SIGNAL_H
+#define MLIBC_POSIX_SIGNAL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <bits/ansi/time_t.h>
+#include <bits/ansi/timespec.h>
+#include <bits/posix/pthread_t.h>
+#include <bits/sigset_t.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <mlibc-config.h>
+
+#define FPE_INTDIV      1       /* integer divide by zero */
+#define FPE_INTOVF      2       /* integer overflow */
+#define FPE_FLTDIV      3       /* floating point divide by zero */
+#define FPE_FLTOVF      4       /* floating point overflow */
+#define FPE_FLTUND      5       /* floating point underflow */
+#define FPE_FLTRES      6       /* floating point inexact result */
+#define FPE_FLTINV      7       /* floating point invalid operation */
+#define FPE_FLTSUB      8       /* subscript out of range */
+
+#define TRAP_BRKPT      1       /* process breakpoint */
+#define TRAP_TRACE      2       /* process trace trap */
+
+#if defined(__x86_64__)
+/* Start Glibc stuff */
+
+struct _libc_fpxreg {
+  unsigned short int significand[4];
+  unsigned short int exponent;
+  unsigned short int __glibc_reserved1[3];
+};
+
+struct _libc_xmmreg {
+  uint32_t element[4];
+};
+
+struct _libc_fpstate {
+  uint16_t cwd;
+  int16_t  swd;
+  uint16_t ftw;
+  uint16_t fop;
+  uint64_t rip;
+  uint64_t dp;
+  uint32_t mxcsr;
+  uint32_t mxcr_mask;
+  struct _libc_fpxreg _st[8];
+  struct _libc_xmmreg _xmm[16];
+  uint32_t __glibc_reserved1[24];
+};
+
+typedef struct _libc_fpstate *fpregset_t;
+/* End Glibc stuff */
+
+typedef unsigned long int greg_t;
+#endif
+
+#define FPE_INTDIV      1       /* integer divide by zero */
+#define FPE_INTOVF      2       /* integer overflow */
+#define FPE_FLTDIV      3       /* floating point divide by zero */
+#define FPE_FLTOVF      4       /* floating point overflow */
+#define FPE_FLTUND      5       /* floating point underflow */
+#define FPE_FLTRES      6       /* floating point inexact result */
+#define FPE_FLTINV      7       /* floating point invalid operation */
+#define FPE_FLTSUB      8       /* subscript out of range */
+
+#define TRAP_BRKPT      1       /* process breakpoint */
+#define TRAP_TRACE      2       /* process trace trap */
+
+#ifndef __MLIBC_ABI_ONLY
+
+/* functions to block / wait for signals */
+int sigsuspend(const sigset_t *__sigmask);
+int sigprocmask(int __how, const sigset_t *__restrict __sigmask, sigset_t *__restrict __oldmask);
+
+int pthread_sigmask(int __how, const sigset_t *__restrict __sigmask, sigset_t *__restrict __oldmask);
+int pthread_kill(pthread_t __thrd, int __sig);
+
+/* functions to handle signals */
+int sigaction(int __signum, const struct sigaction *__restrict __act, struct sigaction *__restrict __oldact);
+int sigpending(sigset_t *__set);
+
+int siginterrupt(int __sig, int __flag);
+
+int sigaltstack(const stack_t *__restrict __ss, stack_t *__restrict __oss);
+
+/* functions to raise signals */
+int kill(pid_t __pid, int __number);
+int killpg(int __pgrp, int __sig);
+
+int sigtimedwait(const sigset_t *__restrict __set, siginfo_t *__restrict __info, const struct timespec *__restrict __timeout);
+int sigwait(const sigset_t *__restrict __set, int *__restrict __sig);
+int sigwaitinfo(const sigset_t *__restrict __set, siginfo_t *__restrict __info);
+
+/* Glibc extension */
+#if __MLIBC_GLIBC_OPTION
+int sigisemptyset(const sigset_t *__set);
+#endif /* __MLIBC_GLIBC_OPTION */
+
+int sigqueue(pid_t __pid, int __sig, const union sigval __value);
+
+#endif /* !__MLIBC_ABI_ONLY */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MLIBC_POSIX_SIGNAL_H */
+