1 | /* Further tests for spawn in case of invalid binary paths. |
2 | Copyright (C) 2016-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <spawn.h> |
20 | #include <error.h> |
21 | #include <errno.h> |
22 | #include <stdlib.h> |
23 | #include <string.h> |
24 | #include <unistd.h> |
25 | #include <sys/wait.h> |
26 | #include <stdio.h> |
27 | |
28 | #include <support/check.h> |
29 | |
30 | int |
31 | do_test (void) |
32 | { |
33 | /* Check if posix_spawn correctly returns an error and an invalid pid |
34 | by trying to spawn an invalid binary. */ |
35 | |
36 | const char *program = "/path/to/invalid/binary" ; |
37 | char * const args[] = { 0 }; |
38 | pid_t pid = -1; |
39 | |
40 | int ret = posix_spawn (pid: &pid, path: program, file_actions: 0, attrp: 0, argv: args, envp: environ); |
41 | if (ret != ENOENT) |
42 | { |
43 | errno = ret; |
44 | FAIL_EXIT1 ("posix_spawn: %m" ); |
45 | } |
46 | |
47 | /* POSIX states the value returned on pid variable in case of an error |
48 | is not specified. GLIBC will update the value iff the child |
49 | execution is successful. */ |
50 | if (pid != -1) |
51 | FAIL_EXIT1 ("posix_spawn returned pid != -1 (%i)" , (int) pid); |
52 | |
53 | /* Check if no child is actually created. */ |
54 | ret = waitpid (pid: -1, NULL, options: 0); |
55 | if (ret != -1 || errno != ECHILD) |
56 | FAIL_EXIT1 ("waitpid: %m)" ); |
57 | |
58 | /* Same as before, but with posix_spawnp. */ |
59 | char *args2[] = { (char*) program, 0 }; |
60 | |
61 | ret = posix_spawnp (pid: &pid, file: args2[0], file_actions: 0, attrp: 0, argv: args2, envp: environ); |
62 | if (ret != ENOENT) |
63 | { |
64 | errno = ret; |
65 | FAIL_EXIT1 ("posix_spawnp: %m" ); |
66 | } |
67 | |
68 | if (pid != -1) |
69 | FAIL_EXIT1 ("posix_spawnp returned pid != -1 (%i)" , (int) pid); |
70 | |
71 | ret = waitpid (pid: -1, NULL, options: 0); |
72 | if (ret != -1 || errno != ECHILD) |
73 | FAIL_EXIT1 ("waitpid: %m)" ); |
74 | |
75 | return 0; |
76 | } |
77 | |
78 | #include <support/test-driver.c> |
79 | |