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