main.cpp

include <stdio.h>
#include <stdlib.h>
#include <pthread.h>

void* print_message_function(void* ptr);

main(void) {
	pthread_t thread1, thread2;
	const char *message1 = "Thread 1";
	const char *message2 = "Thread 2";
	int iret1, iret2;	
	
	iret1 = pthread_create( &thread1, NULL, print_message_function, (void*) message1);
	if ( iret1 )
	{
		fprintf(stderr, "Error - pthread() return code: %d\n", iret1);
		exit(EXIT_FAILURE);
	}

	iret2 = pthread_create( &thread2, NULL, print_message_function, (void*) message2);
	if ( iret2 )
	{
		fprintf(stderr, "Error - pthread() return code: %d\n", iret2);
		exit(EXIT_FAILURE);
	}

	printf("pthread_create() for thread 1 returns: %d\n", iret1);
	printf("pthread_create() for thread 2 returns: %d\n", iret2);
	
	pthread_join( thread1, NULL);
	pthread_join( thread2, NULL);

	exit(EXIT_SUCCESS);
}

void* print_message_function(void* ptr)
{
	char* message;
	message = (char* ) ptr;
	printf("%s \n", message);
}