test all ipc variants more-or-less properly

2 files changed, 28 insertions, 0 deletions

diff --git a/tests/ipc-req-exhaustion/init.c b/tests/ipc-req-exhaustion/init.c
new file mode 100644
index 0000000..6dd1a04
--- /dev/null
+++ b/tests/ipc-req-exhaustion/init.c
@@ -0,0 +1,27 @@
+#include <common/test.h>
+
+long counter = 0;
+
+START(pid, tid, d0, d1, d2, d3)
+{
+	(void)tid;
+	(void)d0;
+	(void)d1;
+	(void)d2;
+	(void)d3;
+
+	check(pid == 0 || pid == 1, "illegal pid for init");
+	printf("sending ipc req %zd to ourselves\n", counter++);
+	struct sys_ret r = sys_ipc_req4(1, 1, 2, 3, 4);
+	if (r.s) {
+		printf("ran out of stack space at %ld\n", counter);
+		printf("starting to unwind\n");
+	}
+
+	printf("unwinding at %ld\n", counter--);
+
+	/* the final resp0 should fail, since we're back in our root process */
+	sys_ipc_resp0();
+
+	ok();
+}
diff --git a/tests/ipc-req-exhaustion/source.mk b/tests/ipc-req-exhaustion/source.mk
new file mode 100644
index 0000000..3dc2ff3
--- /dev/null
+++ b/tests/ipc-req-exhaustion/source.mk
@@ -0,0 +1 @@
+TESTS	+= ipc-req-exhaustion