mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
95dba35bf0
The fix for bug 19193 breaks some old applications which appear to use pthread_kill to probe if a thread is still running, something that is not supported by POSIX.
64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
/* Test that pthread_kill succeeds for an exited thread.
|
|
Copyright (C) 2021 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
/* This test verifies that the default pthread_kill returns 0 (and not
|
|
ESRCH) for a thread that has exited on the kernel side. */
|
|
|
|
#include <errno.h>
|
|
#include <pthread.h>
|
|
#include <shlib-compat.h>
|
|
#include <signal.h>
|
|
#include <stddef.h>
|
|
#include <support/check.h>
|
|
#include <support/support.h>
|
|
#include <support/xthread.h>
|
|
|
|
static void *
|
|
noop_thread (void *closure)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#if TEST_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) && PTHREAD_IN_LIBC
|
|
extern __typeof (pthread_kill) compat_pthread_kill;
|
|
compat_symbol_reference (libpthread, compat_pthread_kill, pthread_kill,
|
|
GLIBC_2_0);
|
|
#endif
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
pthread_t thr = xpthread_create (NULL, noop_thread, NULL);
|
|
|
|
support_wait_for_thread_exit ();
|
|
|
|
/* NB: Always uses the default symbol due to separate compilation. */
|
|
xpthread_kill (thr, SIGUSR1);
|
|
|
|
#if TEST_COMPAT (libpthread, GLIBC_2_0, GLIBC_2_34) && PTHREAD_IN_LIBC
|
|
/* Old binaries need the non-conforming ESRCH error code. */
|
|
TEST_COMPARE (compat_pthread_kill (thr, SIGUSR1), ESRCH);
|
|
#endif
|
|
|
|
xpthread_join (thr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#include <support/test-driver.c>
|