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#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <pthread.h>
void *thread_function(void *arg); /* Pointer to function executed by each thread */
int slow = 0;
#define NUM 5
int main() {
int res;
pthread_t threads[NUM];
void *thread_result;
int args[NUM];
int i;
for (i = 0; i < NUM; i++)
{
args[i] = i;
res = pthread_create(&threads[i], NULL, thread_function, (void *)&args[i]);
}
for (i = 0; i < NUM; i++)
res = pthread_join(threads[i], &thread_result);
printf ("Done\n");
if (slow)
sleep (4);
exit(EXIT_SUCCESS);
}
void *thread_function(void *arg) {
int my_number = *(int *)arg;
int rand_num;
printf ("Print 1, thread %d\n", my_number);
sleep (1);
if (slow)
{
printf ("Print 2, thread %d\n", my_number);
sleep (1);
printf ("Print 3, thread %d\n", my_number);
sleep (1);
printf ("Print 4, thread %d\n", my_number);
sleep (1);
printf ("Print 5, thread %d\n", my_number);
sleep (1);
}
printf("Bye from %d\n", my_number);
pthread_exit(NULL);
}