1 /* -*-comment-start: "//";comment-end:""-*-
2 * Mes --- Maxwell Equations of Software
3 * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
5 * This file is part of Mes.
7 * Mes is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or (at
10 * your option) any later version.
12 * Mes is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Mes. If not, see <http://www.gnu.org/licenses/>.
32 #define SYS_waitpid 0x07
33 #define SYS_execve 0x0b
34 #define SYS_chmod 0x0f
35 #define SYS_access 0x21
37 #define SYS_ioctl 0x36
38 #define SYS_fsync 0x76
43 return _sys_call (SYS_fork);
47 read (int filedes, void *buffer, size_t size)
49 return _sys_call3 (SYS_read, (int)filedes, (int)buffer, (int)size);
53 open (char const *file_name, int flags, ...)
57 int mask = va_arg (ap, int);
58 int r = _sys_call3 (SYS_open, (int)file_name, (int)flags, (int)mask);
64 waitpid (pid_t pid, int *status_ptr, int options)
66 return _sys_call3 (SYS_waitpid, (int)pid, (int)status_ptr, (int)options);
70 execve (char const* file_name, char *const argv[], char *const env[])
72 return _sys_call3 (SYS_execve, (int)file_name, (int)argv, (int)env);
76 chmod (char const *file_name, mode_t mask)
78 return _sys_call2 (SYS_chmod, (int)file_name, (int)mask);
82 access (char const *file_name, int how)
84 return _sys_call2 (SYS_access, (int)file_name, (int)how);
90 return _sys_call1 (SYS_brk, (int)addr);
94 ioctl (int filedes, unsigned long command, ...)
97 va_start (ap, command);
98 int data = va_arg (ap, int);
99 int r = _sys_call3 (SYS_ioctl, (int)filedes, (int)command, (int)data);
107 return _sys_call1 (SYS_fsync, (int)filedes);