chap4

bac2/os/chap4/ex2.c

@@ -0,0 +1,46 @@
+#include "RingBuffer.h"
+#include <stdio.h>
+#include <pthread.h>
+#include <time.h>
+#include <unistd.h>
+
+#define THREADS 10
+
+void* process(void* args);
+
+int main(void)
+{
+	srand(time(NULL));
+	rb_t rb = rb_init(50, WAIT);
+	pthread_t threads[THREADS];
+
+	int even, odd = {0};
+
+	for (int i = 0; i < THREADS; ++i) {
+		pthread_create(threads+i, NULL, process, (void*) &rb);
+	}
+	int val;
+	while(true){
+		usleep(250);
+		val = rb_pop(&rb);
+		printf("got -> %d\n", val);
+
+		if(val % 2)
+			odd++;
+		else
+			even++;
+		
+		printf("%d nombres pairs et %d nombre impairs\n", even, odd);
+	}
+
+	rb_free(rb);
+}
+
+void* process(void* args){
+	rb_t *rb = (rb_t*) args;
+
+	while(true){
+		usleep((rand() % 4500) + 500);
+		rb_push(rb, rand());
+	}
+}