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nptl: Add pthread_timedjoin_np, pthread_clockjoin_np NULL timeout test 

Passing NULL as the timeout parameter to pthread_timedjoin_np has resulted
in it behaving like pthread_join for a long time. Since that is now the
documented behaviour, we ought to test that both it and the new
pthread_clockjoin_np support it.

Checked on x86_64-linux-gnu.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Mike Crowe 2019-10-31 10:05:17 -03:00 committed by Adhemerval Zanella
parent 69ca4b54c1
commit 7aeab82edb
2 changed files with 75 additions and 0 deletions
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1
nptl/Makefile
View File

@ -275,6 +275,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 tst-default-attr \
tst-raise1 \
tst-join1 tst-join2 tst-join3 tst-join4 tst-join5 tst-join6 tst-join7 \
tst-join8 tst-join9 tst-join10 tst-join11 tst-join12 tst-join13 \
tst-join14 \
tst-detach1 \
tst-eintr2 tst-eintr3 tst-eintr4 tst-eintr5 \
tst-tsd1 tst-tsd2 tst-tsd3 tst-tsd4 tst-tsd5 tst-tsd6 \

74
nptl/tst-join14.c Normal file
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@ -0,0 +1,74 @@
/* pthread_timedjoin_np, pthread_clockjoin_np NULL timeout test.
Copyright (C) 2019 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>