1 /* Copyright (C) 1993-2022 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #include <unistd.h>
19 #include <hurd.h>
20 #include <hurd/fd.h>
21 #include <errno.h>
22
23 /* Execute the file FD refers to, overlaying the running program image. */
24
25 int
fexecve(int fd,char * const argv[],char * const envp[])26 fexecve (int fd, char *const argv[], char *const envp[])
27 {
28 file_t file;
29 error_t err;
30 enum retry_type doretry;
31 char retryname[1024];
32
33 err = HURD_DPORT_USE (fd,
34 __dir_lookup (port, "", O_EXEC, 0, &doretry, retryname, &file));
35
36 if (! err && (doretry != FS_RETRY_NORMAL || retryname[0] != '\0'))
37 err = EGRATUITOUS;
38 if (err)
39 return __hurd_fail(err);
40
41 err = _hurd_exec_paths (__mach_task_self (), file, NULL, NULL, argv, envp);
42 if (! err)
43 err = EGRATUITOUS;
44
45 __mach_port_deallocate (__mach_task_self (), file);
46 return __hurd_fail (err);
47 }
48