X-Git-Url: http://plrg.eecs.uci.edu/git/?p=model-checker.git;a=blobdiff_plain;f=userprog.c;h=33319b1ce873c891b4bce429790196280b3acc12;hp=bab9f982a614c209c37acd84a06f41ffe061b35b;hb=eac9060f22aa904ebbd195c1376346adfdfe7a02;hpb=0d2962592522736fa08c74eb5f5e4847f574eaa6

diff --git a/userprog.c b/userprog.c
index bab9f98..33319b1 100644
--- a/userprog.c
+++ b/userprog.c
@@ -1,23 +1,28 @@
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "libthreads.h"
 #include "libatomic.h"
+#include "librace.h"
 
 static void a(atomic_int *obj)
 {
 	int i;
 	int ret;
 
-	for (i = 0; i < 10; i++) {
+	store_32(&i, 10);
+	printf("load 32 yields: %d\n", load_32(&i));
+
+	for (i = 0; i < 2; i++) {
 		printf("Thread %d, loop %d\n", thrd_current(), i);
-		switch (i % 4) {
+		switch (i % 2) {
 		case 1:
 			ret = atomic_load(obj);
 			printf("Read value: %d\n", ret);
 			break;
-		case 3:
-			atomic_store(obj, i);
-			printf("Write value: %d\n", i);
+		case 0:
+			atomic_store(obj, i + 1);
+			printf("Write value: %d\n", i + 1);
 			break;
 		}
 	}
@@ -26,13 +31,18 @@ static void a(atomic_int *obj)
 void user_main()
 {
 	thrd_t t1, t2;
-	atomic_int obj;
+	atomic_int *obj;
+
+	obj = malloc(sizeof(*obj));
+
+	atomic_init(obj, 0);
 
-	printf("Creating 2 threads\n");
-	thrd_create(&t1, (thrd_start_t)&a, &obj);
-	thrd_create(&t2, (thrd_start_t)&a, &obj);
+	printf("Thread %d: creating 2 threads\n", thrd_current());
+	thrd_create(&t1, (thrd_start_t)&a, obj);
+	thrd_create(&t2, (thrd_start_t)&a, obj);
 
 	thrd_join(t1);
 	thrd_join(t2);
-	printf("Thread is finished\n");
+	free(obj);
+	printf("Thread %d is finished\n", thrd_current());
 }