check for running out of memory during fork

1 files changed, 23 insertions, 0 deletions

diff --git a/tests/fork-exhaustion/init.c b/tests/fork-exhaustion/init.c
new file mode 100644
index 0000000..0e330f4
--- /dev/null
+++ b/tests/fork-exhaustion/init.c
@@ -0,0 +1,23 @@
+#include <common/test.h>
+
+START(pid, tid, d0, d1, d2, d3)
+{
+	UNUSED(pid);
+	UNUSED(tid);
+	UNUSED(d0);
+	UNUSED(d1);
+	UNUSED(d2);
+	UNUSED(d3);
+
+	check(pid == 0, "illegal pid for init\n");
+	id_t our_id = 0;
+	while (1) {
+		printf("forking\n");
+		id_t new_id = sys_fork(&our_id);
+		if (new_id < 0)
+			break;
+	}
+
+	/* if kernel didn't crash, we consider it a success */
+	ok();
+}