blob: 85af155462aeab81ff8025bb69c3c7709cb9d3c9 [file] [log] [blame]
/*
m5threads, a pthread library for the M5 simulator
Copyright (C) 2009, Stanford University
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author: Daniel Sanchez
*/
#include <assert.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
void* run (void* arg) {
printf("Hello from a child thread! (thread ID: %d).\n", (int)pthread_self());
return NULL;
}
int main(int argc, const char** argv) {
pthread_t pth;
pthread_attr_t attr;
printf("Main thread initialized. TID=%d\n", pthread_self());
int result = pthread_attr_init(&attr);
assert(result == 0);
printf("Main thread called pthread_attr_init\n");
result = pthread_attr_setscope(&attr, PTHREAD_SCOPE_SYSTEM);
assert(result == 0);
printf("Main thread called pthread_attr_setscope\n");
printf("Main thread creating 1st thread...\n");
result = pthread_create(&pth, &attr, run, NULL);
pthread_t pth2;
printf("Main thread creating 2nd thread...\n");
result = pthread_create(&pth2, &attr, run, NULL);
printf("Main thread calling join w/ 1st thread (id=%llx)... (self=%llx)\n", pth, pthread_self());
pthread_join(pth, NULL);
printf("Main thread calling join w/ 2nd thread (id=%llx)... (self=%llx)\n", pth2, pthread_self());
pthread_join(pth2, NULL);
printf("Main thread has self=%d\n", pthread_self());
printf("Main thread done.\n");
}