#define _XOPEN_SOURCE 700

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <pthread.h>

#include <unistd.h>

#include "test.h"

void *emptyfunc(void *dummy) {

	return 0;

}

void bench_pthread_createjoin_serial1(int N) {

	int i;

	pthread_t td;

	void *dummy;

	for (i=0; i

		pthread_create(&td, 0, emptyfunc, 0);

		pthread_join(td, &dummy);

	}

}

void bench_pthread_createjoin_serial2(int N) {

	int i, j;

	pthread_t td[50];

	void *dummy;

	for (j=0; j

		for (i=0; i

			pthread_create(td+i, 0, emptyfunc, 0);

		for (i=0; i

			pthread_join(td[i], &dummy);

	}

}

void bench_pthread_create_serial1(int N) {

	int i,j;

	pthread_attr_t attr;

	pthread_t td[50];

	void *dummy;

	pthread_attr_init(&attr);

	pthread_attr_setstacksize(&attr, 16384);

	for (j=0; j

		for (i=0; i

			pthread_create(td+i, &attr, emptyfunc, 0);

		stop_timer();

		for (i=0; i

			pthread_join(td[i], &dummy);

		start_timer();

	}

}

static int lockN;

void *lockunlock(void *mut)

{

	int i;

	for (i=0; i

		pthread_mutex_lock(mut);

		pthread_mutex_unlock(mut);

	}

	return 0;

}

void bench_pthread_uselesslock(int N) {

	pthread_t td;

	pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;

	void *dummy;

	lockN = N;

	pthread_create(&td, 0, lockunlock, &mut;;

	pthread_join(td, &dummy);

}

void bench_pthread_createjoin_min1(int N) {

	size_t i;

	pthread_t td;

	pthread_attr_t a;

	void *dummy;

	pthread_attr_init(&a);

	pthread_attr_setstacksize(&a, sysconf(_SC_PAGESIZE));

	pthread_attr_setguardsize(&a, 0);

	for (i=0; i

		pthread_create(&td, &a, emptyfunc, 0);

		pthread_join(td, &dummy);

	}

}

void bench_pthread_createjoin_min2(int N) {

	int i, j;

	pthread_t td[50];

	pthread_attr_t a;

	void *dummy;

	pthread_attr_init(&a);

	pthread_attr_setstacksize(&a, sysconf(_SC_PAGESIZE));

	pthread_attr_setguardsize(&a, 0);

	for (j=0; j

		for (i=0; i

			pthread_create(td+i, &a, emptyfunc, 0);

		for (i=0; i

			pthread_join(td[i], &dummy);

	}

}