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96 lines
2.2 KiB
96 lines
2.2 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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#include <cassert>
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#include <cstdio>
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#include <cstdlib>
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#include <dlfcn.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <sys/wait.h>
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#include <string>
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/*
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* The total number of threads that should run in this process.
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*/
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const unsigned int numOfSecondaryThreads = 4;
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/*
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* Timeout for the application to avoid hung tests.
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*/
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const unsigned int TIMEOUT = 600; // 10 minute timeout.
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/*
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* Signal handler for handling a timeout situation.
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*/
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static void TimeoutHandler(int sig)
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{
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fprintf(stderr, "mt_thread has reached a timeout of %d seconds.\n", TIMEOUT);
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exit(1);
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}
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/*
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* Main function for secondary threads.
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*/
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void * ThreadFunc(void * arg)
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{
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unsigned int sum1 = 0;
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unsigned int sum2 = 0;
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for (unsigned int i = 0; i < 1000; ++i)
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{
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sum1 += i;
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sum2 -= i;
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}
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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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// Set up the timeout handler.
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struct sigaction sigact_timeout;
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sigact_timeout.sa_handler = TimeoutHandler;
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sigact_timeout.sa_flags = 0;
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sigfillset(&sigact_timeout.sa_mask);
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if (-1 == sigaction(SIGALRM, &sigact_timeout, 0))
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{
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perror("Unable to set up the timeout handler.");
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return 1;
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}
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alarm(TIMEOUT);
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// Create the secondary threads.
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pthread_t *thHandle;
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thHandle = new pthread_t[numOfSecondaryThreads];
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for (unsigned int repeat = 0; repeat < 10; repeat++)
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{
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// Create the threads.
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for (unsigned int i = 0; i < numOfSecondaryThreads; i++)
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{
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pthread_create(&thHandle[i], 0, ThreadFunc, (void *)i);
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}
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// Wait for the threads to exit.
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for (unsigned int i = 0; i < numOfSecondaryThreads; i++)
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{
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pthread_join(thHandle[i], 0);
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}
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}
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return 0;
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}
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