mirror of
git://sourceware.org/git/glibc.git
synced 2024-11-27 03:41:23 +08:00
a7ec6363a3
This was due a wrong revert done on404656009b. Checked on x86_64-linux-gnu. (cherry picked from commitc7d36dcecc)
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/* Check if printf like functions does not disable asynchronous cancellation
|
|
mode (BZ#29214).
|
|
|
|
Copyright (C) 2022 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/>. */
|
|
|
|
#include <support/check.h>
|
|
#include <support/xstdio.h>
|
|
#include <support/xthread.h>
|
|
#include <sys/syscall.h>
|
|
#include <unistd.h>
|
|
|
|
static pthread_barrier_t b;
|
|
|
|
static void *
|
|
tf (void *arg)
|
|
{
|
|
int old;
|
|
|
|
TEST_COMPARE (pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, NULL), 0);
|
|
|
|
TEST_COMPARE (pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old), 0);
|
|
TEST_COMPARE (old, PTHREAD_CANCEL_ASYNCHRONOUS);
|
|
|
|
/* Check if internal lock cleanup routines restore the cancellation type
|
|
correctly. */
|
|
printf ("...\n");
|
|
TEST_COMPARE (pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, &old), 0);
|
|
TEST_COMPARE (old, PTHREAD_CANCEL_ASYNCHRONOUS);
|
|
|
|
xpthread_barrier_wait (&b);
|
|
|
|
/* Wait indefinitely for cancellation, which only works if asynchronous
|
|
cancellation is enabled. */
|
|
#ifdef SYS_pause
|
|
syscall (SYS_pause);
|
|
#elif defined SYS_ppoll || defined SYS_ppoll_time64
|
|
# ifndef SYS_ppoll_time64
|
|
# define SYS_ppoll_time64 SYS_ppoll
|
|
# endif
|
|
syscall (SYS_ppoll_time64, NULL, 0, NULL, NULL);
|
|
#else
|
|
for (;;);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
xpthread_barrier_init (&b, NULL, 2);
|
|
|
|
pthread_t th = xpthread_create (NULL, tf, NULL);
|
|
|
|
xpthread_barrier_wait (&b);
|
|
|
|
xpthread_cancel (th);
|
|
|
|
void *status = xpthread_join (th);
|
|
TEST_VERIFY (status == PTHREAD_CANCELED);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* There is no need to wait full TIMEOUT if asynchronous is not working. */
|
|
#define TIMEOUT 3
|
|
#include <support/test-driver.c>
|