Unstable changes for ipc - Fork fails for some reason

tasks/test0/src/forktest.c

@@ -18,6 +18,7 @@ int forktest(void)
 
 	/* 16 forks */
 	for (int i = 0; i < 4; i++)
+		test_printf("%d: Forking...\n", getpid());
 		if (fork() < 0)
 			goto out_err;
 

tasks/test0/src/shmtest.c

@@ -10,6 +10,7 @@
 #include <stdio.h>
 #include <tests.h>
 #include <unistd.h>
+#include <errno.h>
 
 int shmtest(void)
 {