96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/* Helper program for testing the pthread_cond_t and pthread_condattr_t
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pretty printers.
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Copyright (C) 2016-2022 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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/* Keep the calls to the pthread_* functions on separate lines to make it easy
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to advance through the program using the gdb 'next' command. */
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#include <time.h>
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#include <pthread.h>
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#define PASS 0
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#define FAIL 1
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static int condvar_reinit (pthread_cond_t *condvar,
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const pthread_condattr_t *attr);
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static int test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr);
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static int test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr);
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/* Need these so we don't have lines longer than 79 chars. */
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#define SET_SHARED(attr, shared) pthread_condattr_setpshared (attr, shared)
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int
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main (void)
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{
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pthread_cond_t condvar;
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pthread_condattr_t attr;
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int result = FAIL;
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if (pthread_condattr_init (&attr) == 0
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&& pthread_cond_init (&condvar, NULL) == 0
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&& test_setclock (&condvar, &attr) == PASS
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&& test_setpshared (&condvar, &attr) == PASS)
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result = PASS;
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/* Else, one of the pthread_cond* functions failed. */
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return result;
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}
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/* Destroys CONDVAR and re-initializes it using ATTR. */
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static int
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condvar_reinit (pthread_cond_t *condvar, const pthread_condattr_t *attr)
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{
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int result = FAIL;
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if (pthread_cond_destroy (condvar) == 0
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&& pthread_cond_init (condvar, attr) == 0)
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result = PASS;
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return result;
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}
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/* Tests setting the clock ID attribute. */
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__attribute__ ((noinline))
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static int
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test_setclock (pthread_cond_t *condvar, pthread_condattr_t *attr)
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{
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int result = FAIL;
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if (pthread_condattr_setclock (attr, CLOCK_REALTIME) == 0 /* Set clock. */
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&& condvar_reinit (condvar, attr) == PASS)
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result = PASS;
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return result;
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}
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/* Tests setting whether the condvar can be shared between processes. */
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static int
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test_setpshared (pthread_cond_t *condvar, pthread_condattr_t *attr)
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{
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int result = FAIL;
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if (SET_SHARED (attr, PTHREAD_PROCESS_SHARED) == 0 /* Set shared. */
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&& condvar_reinit (condvar, attr) == PASS
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&& SET_SHARED (attr, PTHREAD_PROCESS_PRIVATE) == 0
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&& condvar_reinit (condvar, attr) == PASS)
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result = PASS;
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return result;
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}
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