main.c
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/*
* Copyright (C) 2014 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief pthread test application
*
* @author Christian Mehlis <mehlis@inf.fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include <inttypes.h>
#include "pthread.h"
void *run(void *parameter) {
size_t n = (size_t) parameter;
size_t factorial = 1;
printf("pthread: parameter = %u\n", (unsigned int) n);
if (n > 0) {
for (size_t i = 1; i <= n; i++) {
factorial *= i;
}
}
printf("pthread: factorial = %u\n", (unsigned int) factorial);
pthread_exit((void *)factorial);
return NULL;
}
int main(void) {
pthread_t th_id;
pthread_attr_t th_attr;
size_t arg = 6;
printf("main parameter = %u\n", (unsigned int) arg);
pthread_attr_init(&th_attr);
pthread_create(&th_id, &th_attr, run, (void *) arg);
size_t res;
pthread_join(th_id, (void **) &res);
printf("main: factorial = %u\n", (unsigned int) res);
puts("main: finished");
return 0;
}