stuff

06-MemoryManager/pthread_testmemmgr.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pthread.h>
+
+#include "memory_manager.h"
+
+#define MY_HEAP_SIZE 4096
+#define ALLOC_SIZE   1024
+#define THREAD_COUNT 10
+
+void* thread_routine(void* args)
+{
+	for(int i = 0; i < 25; i++) {
+		char* myptr = mymalloc_ff(ALLOC_SIZE);
+		usleep(20);
+		if(myptr != NULL) {
+			printf("Thread %lu allocated %d byte(s): %p\n", pthread_self(), ALLOC_SIZE, myptr);
+			*myptr = 'a' + i;
+			printf("Thread %lu write %c\n", pthread_self(), *myptr);
+			myfree(myptr);
+			printf("Thread %lu freed %p\n", pthread_self(), myptr);
+		} else {
+			printf("Thread %lu could not allocate %d byte(s)\n", pthread_self(), ALLOC_SIZE);
+		}
+	}
+
+	return NULL;
+}
+
+int main()
+{
+	pthread_t mythreads[THREAD_COUNT];
+
+	char my_heap[MY_HEAP_SIZE];
+	mmInit(my_heap, MY_HEAP_SIZE);
+
+	for(int i = 0; i < THREAD_COUNT; i++) {
+		if(pthread_create(&mythreads[i], NULL, thread_routine, NULL) == -1) {
+			printf("COULD NOT CREATE A THREAD\n");
+			exit(EXIT_FAILURE);
+		}
+	}
+
+	for(int i = 0; i < THREAD_COUNT; i++) {
+		pthread_join(mythreads[i], NULL);
+	}
+
+	mmDestroy();
+	
+	return 0;
+}