saydir.c

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

#define LIMIT 1000

#define THREAD_SAYISI 4

static pthread_mutex_t kilit;

void *dongu(void *p) {

	FILE *file = fopen("sayilar.txt", "a");
	int basla, bitir, i, kat_sayi;
	kat_sayi = (int) p;
	basla = kat_sayi * (LIMIT / THREAD_SAYISI);
	bitir = basla + (LIMIT / THREAD_SAYISI);
	//dosyaya yaz   
	pthread_mutex_lock(&kilit);
	for (i = basla; i < bitir; i++) {
		fprintf(file,"%d\n", i);
	}
	pthread_mutex_unlock(&kilit);
	pthread_exit(NULL);
}


int main(int argc, const char *argv[])
{
	pthread_t thread_dizisi[THREAD_SAYISI];
	pthread_mutex_init(&kilit, NULL);
	int i;
	//threadleri oluştur
	for (i = 0; i < THREAD_SAYISI; i++)
		pthread_create(&thread_dizisi[i], NULL, dongu, (void *) i);
	//threadleri çalıştır
	for (i = 0; i < THREAD_SAYISI; i++)
		pthread_join(thread_dizisi[i], NULL);

	pthread_mutex_destroy(&kilit);
	return 0;
}