glibc/sysdeps/mach/hurd/execve.c
2012-02-09 23:18:22 +00:00

46 lines
1.5 KiB
C

/* Copyright (C) 1991, 92, 93, 94, 95, 97 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <hurd.h>
#include <fcntl.h>
/* Replace the current process, executing FILE_NAME with arguments ARGV and
environment ENVP. ARGV and ENVP are terminated by NULL pointers. */
int
__execve (file_name, argv, envp)
const char *file_name;
char *const argv[];
char *const envp[];
{
error_t err;
file_t file = __file_name_lookup (file_name, O_EXEC, 0);
if (file == MACH_PORT_NULL)
return -1;
/* Hopefully this will not return. */
err = _hurd_exec (__mach_task_self (), file, argv, envp);
/* Oh well. Might as well be tidy. */
__mach_port_deallocate (__mach_task_self (), file);
return __hurd_fail (err);
}
weak_alias (__execve, execve)