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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* Check if pthread_mutex_clocklock with PRIO_INHERIT fails with clock
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different than CLOCK_REALTIME.
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Copyright (C) 2020-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <errno.h>
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#include <array_length.h>
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#include <support/check.h>
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#include <support/xthread.h>
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#include <support/timespec.h>
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static int
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do_test (void)
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{
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const int types[] = {
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PTHREAD_MUTEX_NORMAL,
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PTHREAD_MUTEX_ERRORCHECK,
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PTHREAD_MUTEX_RECURSIVE,
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PTHREAD_MUTEX_ADAPTIVE_NP
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};
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const int robust[] = {
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PTHREAD_MUTEX_STALLED,
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PTHREAD_MUTEX_ROBUST
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};
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const struct {
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int clk;
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int r;
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} clocks[] = {
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{ CLOCK_REALTIME, 0 },
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{ CLOCK_MONOTONIC, 0 },
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{ CLOCK_REALTIME_COARSE, EINVAL }
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};
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for (int t = 0; t < array_length (types); t++)
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for (int r = 0; r < array_length (robust); r++)
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for (int c = 0; c < array_length (clocks); c++)
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{
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pthread_mutexattr_t attr;
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xpthread_mutexattr_init (&attr);
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xpthread_mutexattr_setprotocol (&attr, PTHREAD_PRIO_INHERIT);
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xpthread_mutexattr_settype (&attr, types[t]);
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xpthread_mutexattr_setrobust (&attr, robust[r]);
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pthread_mutex_t mtx;
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xpthread_mutex_init (&mtx, &attr);
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/* Uncontended case does not trigger any futex call. */
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struct timespec tmo = timespec_add (xclock_now (clocks[c].clk),
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make_timespec (0, 100000000));
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TEST_COMPARE (pthread_mutex_clocklock (&mtx, clocks[c].clk, &tmo),
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clocks[c].r);
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if (clocks[c].r == 0)
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TEST_COMPARE (pthread_mutex_unlock (&mtx), 0);
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xpthread_mutex_destroy (&mtx);
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}
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return 0;
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}
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#include <support/test-driver.c>
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