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

#define PTHREAD_COUNT 2

pthread_mutex_t pthread_mutex;

pthread_cond_t pthread_cond;

pthread_t pthread[ PTHREAD_COUNT ];

void *goThread() {
	pthread_mutex_lock( &pthread_mutex );
	pthread_cond_wait( &pthread_cond, &pthread_mutex );
	pthread_mutex_unlock( &pthread_mutex );
}

int main( int argc, char *argv[] ) {
	int i;
	
	printf( "\nInitializing variables..." );
	pthread_mutex_init( &pthread_mutex, NULL );
	pthread_cond_init( &pthread_cond, NULL );
	
	printf( "\nCreating threads..." );
	for ( i = 0; i < PTHREAD_COUNT; i++ ) {
		pthread_create( &pthread[ i ], NULL, goThread, NULL );
	}

	printf( "\nCancelling threads..." );	
  for ( i = 0; i < PTHREAD_COUNT; i++ ) {
		pthread_cancel( pthread[ i ] );
		printf( "\nThread %d cancelled", i );
	}

	printf( "\nJoining threads..." );
  for ( i = 0; i < PTHREAD_COUNT; i++ ) {
		pthread_join( pthread[ i ], NULL );
		printf( "\nThread %d joined", i );
	}

	pthread_cond_destroy( &pthread_cond );
	pthread_mutex_destroy( &pthread_mutex );

	return 1;
}