1 | /* Check for failure paths handling for cancellation points. |
2 | Copyright (C) 2015-2024 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 <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 (format: "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 (newthread: &th, NULL, start_routine: tf, NULL) != 0) |
53 | { |
54 | puts (s: "error: pthread_create failed" ); |
55 | exit (1); |
56 | } |
57 | |
58 | if (pthread_join (th: th, NULL) != 0) |
59 | { |
60 | puts (s: "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" |
69 | |