code/pthread/foo.c

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

#include "example.h"
#include "example2.h"

int example1(int argc, char **argv)
{

	int i;
	pthread_t id[argc];
	pthread_attr_t attr;
	struct fibo d[argc];

	if (argc < 2) {
		printf("usage: %s num1 num2 num3... numN", argv[0]);
		return (1);
	}



	pthread_attr_init(&attr);
	for (i = 1; i < argc; i++) {
		d[i - 1].limit = atoi(argv[i]);
		d[i - 1].answer = 0;
		pthread_create(&id[i - 1], &attr, runner1, &d[i - 1]);
	}

	for (i = 0; i < argc - 1; i++) {

		pthread_join(id[i], NULL);
		printf("\n\nFib of limit: %d is %d", d[i].limit,
		       d[i].answer);

	}

	return (0);

}


int example2(int argc, char **argv)
{

	pthread_t id[2];
	pthread_attr_t attr;
	buffer buf;

	init_buffer(&buf);

	pthread_attr_init(&attr);
	pthread_create(&id[0], &attr, produce, &buf);
	pthread_create(&id[1], &attr, consume, &buf);

	pthread_join(id[0], NULL);
	pthread_join(id[1], NULL);

	sem_destroy(&buf.empty);
	pthread_mutex_destroy(&buf.mutex);

	printf("\nProgram finished");
	return (EXIT_SUCCESS);
}

int main(int argc, char **argv)
{
	example2(argc, argv);
}