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/* pthread_timedjoin_np, pthread_clockjoin_np NULL timeout test.
Copyright (C) 2019-2022 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 <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <support/check.h>
#include <support/timespec.h>
#include <support/xthread.h>
#include <support/xtime.h>
#define CLOCK_USE_TIMEDJOIN (-1)
static void *
tf (void *arg)
{
struct timespec ts = make_timespec(0, 100000);
nanosleep(&ts, NULL);
return (void *) 42l;
}
/* Check that pthread_timedjoin_np and pthread_clockjoin_np wait "forever" if
* passed a timeout parameter of NULL. We can't actually wait forever, but we
* can be sure that we did at least wait for some time by checking the exit
* status of the thread. */
static int
do_test_clock (clockid_t clockid)
{
pthread_t th = xpthread_create (NULL, tf, NULL);
void *status;
int val = (clockid == CLOCK_USE_TIMEDJOIN)
? pthread_timedjoin_np (th, &status, NULL)
: pthread_clockjoin_np (th, &status, clockid, NULL);
TEST_COMPARE (val, 0);
if (status != (void *) 42l)
FAIL_EXIT1 ("return value %p, expected %p\n", status, (void *) 42l);
return 0;
}
static int
do_test (void)
{
do_test_clock (CLOCK_USE_TIMEDJOIN);
do_test_clock (CLOCK_REALTIME);
do_test_clock (CLOCK_MONOTONIC);
return 0;
}
#include <support/test-driver.c>
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