pthread_mutex_t mutex;
- static void* thread1_fun(void* ignore)
-static void* thread_fun(void* ignore)
++static void* thread_fun(void* val)
{
pthread_mutex_lock(&mutex);
pthread_mutex_unlock(&mutex);
- fprintf(stderr, "The first thread is terminating.\n");
- return NULL;
- }
- static void* thread2_fun(void* ignore)
- {
- pthread_mutex_lock(&mutex);
- pthread_mutex_unlock(&mutex);
-
- fprintf(stderr, "The second thread is terminating.\n");
++ fprintf(stderr, "The thread %d is terminating.\n", *(int*)val);
return NULL;
}
int main(int argc, char* argv[])
{
- fprintf(stderr, "User main is starting\n");
-
pthread_mutex_init(&mutex, NULL);
- pthread_t thread1, thread2;
- pthread_create(&thread1, NULL, thread1_fun, NULL);
- pthread_create(&thread2, NULL, thread2_fun, NULL);
++ int id[2] = {0, 1};
+ pthread_t thread1;
+ pthread_t thread2;
- pthread_create(&thread1, NULL, thread_fun, NULL);
- fprintf(stderr, "here\n");
- pthread_create(&thread2, NULL, thread_fun, NULL);
- fprintf(stderr, "there\n");
++ pthread_create(&thread1, NULL, thread_fun, (void*)&id[0]);
++ pthread_create(&thread2, NULL, thread_fun, (void*)&id[1]);
+ fprintf(stderr, "All threads are started.\n");
pthread_join(thread1, NULL);
pthread_join(thread2, NULL);
--- /dev/null
- > The first thread is terminating.
+$ ./pthread-mutex-simple
+> [0.000000] [sthread/INFO] Starting the simulation.
- > The second thread is terminating.
++> The thread 0 is terminating.
+> All threads are started.
++> The thread 1 is terminating.
+> User's main is terminating.
+> [0.000000] [sthread/INFO] All threads exited. Terminating the simulation.