mes/include/unistd.h
Jan Nieuwenhuizen e4d0298d1b
core: Support fork, waitpid, execve.
* stage0/x86.M1 (SYS_fork, SYS_waitpid, SYS_execve): New define.
* lib/linux-gcc.c (fork, waitpid, execve): New function.
* lib/linux-mes.c (fork, waitpid, execve): New function.
* lib/libc.c (wait): New function.
* include/unistd.h (fork, execve): Declare.
* include/sys/wait.h (waitpid, wait): Declare.
* module/mes/posix.mes (search-path, execlp, system*, waitpid): New function.
* src/posix.c (primitive_fork, execl): New function.
2018-05-24 19:54:42 +02:00

64 lines
1.7 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* Mes --- Maxwell Equations of Software
* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of Mes.
*
* Mes is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or (at
* your option) any later version.
*
* Mes is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Mes. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MES_UNISTD_H
#define __MES_UNISTD_H 1
#if __GNUC__ && POSIX
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#undef __MES_UNISTD_H
#include_next <unistd.h>
#else // ! (__GNUC__ && POSIX)
#ifndef __MES_OFF_T
#define __MES_OFF_T
#undef off_t
typedef unsigned long off_t;
#endif
#ifndef __MES_SIZE_T
#define __MES_SIZE_T
#undef size_t
typedef unsigned long size_t;
#endif
#ifndef __MES_SSIZE_T
#define __MES_SSIZE_T
#undef ssize_t
typedef long ssize_t;
#endif
int access (char const *s, int mode);
int close (int fd);
int execve (char const *file, char *const argv[], char *const env[]);
int execvp (char const *file, char *const argv[]);
int fork ();
char *getcwd (char *buf, size_t size);
int isatty (int fd);
off_t lseek (int fd, off_t offset, int whence);
int read (int fd, void* buf, size_t n);
int unlink (char const *file_name);
int write (int fd, char const* s, int n);
#endif // ! (__GNUC__ && POSIX)
#endif // __MES_UNISTD_H