1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* Copyright (C) 1993-2021 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
<https://www.gnu.org/licenses/>. */
#include <unistd.h>
#include <hurd.h>
#include <hurd/fd.h>
#include <errno.h>
/* Execute the file FD refers to, overlaying the running program image. */
int
fexecve (int fd, char *const argv[], char *const envp[])
{
file_t file;
error_t err;
enum retry_type doretry;
char retryname[1024];
err = HURD_DPORT_USE (fd,
__dir_lookup (port, "", O_EXEC, 0, &doretry, retryname, &file));
if (! err && (doretry != FS_RETRY_NORMAL || retryname[0] != '\0'))
err = EGRATUITOUS;
if (err)
return __hurd_fail(err);
err = _hurd_exec_paths (__mach_task_self (), file, NULL, NULL, argv, envp);
if (! err)
err = EGRATUITOUS;
__mach_port_deallocate (__mach_task_self (), file);
return __hurd_fail (err);
}
|
