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67ac0f74 | 1 | /* Check for failure paths handling for cancellation points. |
6d7e8eda | 2 | Copyright (C) 2015-2023 Free Software Foundation, Inc. |
67ac0f74 AZ |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
67ac0f74 AZ |
18 | |
19 | #include <errno.h> | |
20 | #include <pthread.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | ||
26 | /* Check that the cancel syscall points handles both the errno and return code | |
27 | correctly for invalid arguments. */ | |
28 | static void * | |
29 | tf (void *arg) | |
30 | { | |
31 | #ifdef SET_CANCEL_DISABLE | |
32 | pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, NULL); | |
33 | #endif | |
34 | ||
35 | /* This is a cancellation point, but we should not be cancelled. */ | |
36 | int r = write (-1, 0, 0); | |
37 | ||
38 | if (r != -1 || errno != EBADF) | |
39 | { | |
40 | printf ("error: write returned %d, errno %d\n", r, errno); | |
41 | exit (1); | |
42 | } | |
43 | ||
44 | return NULL; | |
45 | } | |
46 | ||
47 | static int | |
48 | do_test (void) | |
49 | { | |
50 | pthread_t th; | |
51 | ||
52 | if (pthread_create (&th, NULL, tf, NULL) != 0) | |
53 | { | |
54 | puts ("error: pthread_create failed"); | |
55 | exit (1); | |
56 | } | |
57 | ||
58 | if (pthread_join (th, NULL) != 0) | |
59 | { | |
60 | puts ("error: pthread_join failed"); | |
61 | exit (1); | |
62 | } | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | #define TEST_FUNCTION do_test () | |
68 | #include "../test-skeleton.c" |