1 | /* Test that pthread_kill succeeds for an exited thread. |
2 | Copyright (C) 2021-2024 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 | /* This test verifies that the default pthread_kill returns 0 (and not |
20 | ESRCH) for a thread that has exited on the kernel side. */ |
21 | |
22 | #include <errno.h> |
23 | #include <pthread.h> |
24 | #include <shlib-compat.h> |
25 | #include <signal.h> |
26 | #include <stddef.h> |
27 | #include <support/check.h> |
28 | #include <support/support.h> |
29 | #include <support/xthread.h> |
30 | |
31 | static void * |
32 | noop_thread (void *closure) |
33 | { |
34 | return NULL; |
35 | } |
36 | |
37 | #if TEST_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) && PTHREAD_IN_LIBC |
38 | extern __typeof (pthread_kill) compat_pthread_kill; |
39 | compat_symbol_reference (libpthread, compat_pthread_kill, pthread_kill, |
40 | GLIBC_2_0); |
41 | #endif |
42 | |
43 | static int |
44 | do_test (void) |
45 | { |
46 | pthread_t thr = xpthread_create (NULL, thread_func: noop_thread, NULL); |
47 | |
48 | support_wait_for_thread_exit (); |
49 | |
50 | /* NB: Always uses the default symbol due to separate compilation. */ |
51 | xpthread_kill (thr, SIGUSR1); |
52 | |
53 | #if TEST_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) && PTHREAD_IN_LIBC |
54 | /* Old binaries need the non-conforming ESRCH error code. */ |
55 | TEST_COMPARE (compat_pthread_kill (thr, SIGUSR1), ESRCH); |
56 | #endif |
57 | |
58 | xpthread_join (thr); |
59 | |
60 | return 0; |
61 | } |
62 | |
63 | #include <support/test-driver.c> |
64 | |