Pthread examples

pthread.c

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h> //Header file for sleep(). man 3 sleep for details.
#include <pthread.h>

// A normal C function that is executed as a thread
// when its name is specified in pthread_create()
void *myThreadFun(void *vargp)
{
	sleep(4);
	printf("Printing GeeksQuiz from Thread \n");
	return NULL;
}

int main()
{
	pthread_t thread_id;
	printf("Before Thread\n");
	
    // Takes 4 arguments
    // pointer to thread_id, specfic attributes, thread to be used, pass arg to thread
	pthread_create(&thread_id, NULL, myThreadFun, NULL);
	
	// it waits for thread_id to terminate
	pthread_join(thread_id, NULL);
	printf("After Thread\n");
	exit(0);
}