Forktest file added.

tasks/test0/src/forktest.c

@@ -0,0 +1,38 @@
+/*
+ * Fork test.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <tests.h>
+
+int global = 0;
+
+int forktest(void)
+{
+	pid_t myid;
+
+	for (int i = 0; i < 4; i++)
+		fork();
+
+	myid = getpid();
+	if (global != 0) {
+		printf("-- FAILED --\n");
+		goto out;
+	}
+	global = myid;
+
+	if (global != myid) {
+		printf("-- FAILED --\n");
+		goto out;
+	}
+
+	/* Print only when failed, otherwise too many pass messages */
+	//	printf("PID: %d, my global: %d\n", myid, global);
+	// printf("-- PASSED --\n");
+out:
+	while(1)
+		;
+}
+