| 1 | /* Copyright (C) 1993-2024 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 |
| 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 | |