TD3 II.3+4 stress test our implementation

code/test/userpages0_stress.c

@@ -0,0 +1,21 @@
+#include "syscall.h"
+const int t = 13;
+
+void output(char* s) {
+	int nb = 10;
+	int i;
+	for(i=0;i<nb;i++)
+		PutString((char*)s);
+    ThreadExit();
+}
+
+int main () {
+
+    void* f = output;
+    int i;
+    for (i=0;i<t;i++){
+        ThreadCreate(f,"b");
+    }
+    PutString("\nthis is the end of our main() in test program\n");
+    ThreadExit();   
+}