Add a test for pthread's cv and cancellation.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=164898
8
tools/regression/pthread/cv_cancel1/Makefile
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tools/regression/pthread/cv_cancel1/Makefile
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# $FreeBSD$
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PROG= cv_cancel1
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NO_MAN=
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LDADD= -lpthread
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.include <bsd.prog.mk>
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tools/regression/pthread/cv_cancel1/cv_cancel1.c
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tools/regression/pthread/cv_cancel1/cv_cancel1.c
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/*-
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* Copyright (c) 2006, David Xu <davidxu@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#include <pthread.h>
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#include <stdio.h>
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#define NLOOPS 10
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pthread_mutex_t m;
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pthread_cond_t cv;
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int wake;
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int stop;
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void *
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thr_routine(void *arg)
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{
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pthread_mutex_lock(&m);
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while (wake == 0)
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pthread_cond_wait(&cv, &m);
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pthread_mutex_unlock(&m);
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while (stop == 0)
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pthread_yield();
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return (NULL);
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}
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int main(int argc, char **argv)
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{
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pthread_t td;
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int i;
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void *result;
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pthread_setconcurrency(1);
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for (i = 0; i < NLOOPS; ++i) {
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stop = 0;
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wake = 0;
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pthread_create(&td, NULL, thr_routine, NULL);
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sleep(1);
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printf("trying: %d\n", i);
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pthread_mutex_lock(&m);
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wake = 1;
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pthread_cond_signal(&cv);
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pthread_cancel(td);
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pthread_mutex_unlock(&m);
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stop = 1;
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result = NULL;
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pthread_join(td, &result);
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if (result == PTHREAD_CANCELED) {
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printf("the condition variable implemention does not\n"
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"conform to SUSv3, a thread unblocked from\n"
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"condition variable still can be canceled.\n");
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return (1);
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}
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}
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printf("OK\n");
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return (0);
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}
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