From 17fd9daf39cf79ae310c1b7d0eb459802517dc6a Mon Sep 17 00:00:00 2001 From: Kimplul Date: Sat, 2 Nov 2024 16:34:38 +0200 Subject: check spawn exhaustion --- tests/spawn-exhaustion/init.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 tests/spawn-exhaustion/init.c (limited to 'tests/spawn-exhaustion/init.c') diff --git a/tests/spawn-exhaustion/init.c b/tests/spawn-exhaustion/init.c new file mode 100644 index 0000000..1862648 --- /dev/null +++ b/tests/spawn-exhaustion/init.c @@ -0,0 +1,35 @@ +#include +#include + +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"); + printf("finding spawn in cpio archive %lx...\n", d2); + struct cpio_header *cp = cpio_find_file((const void *)d2, + "spawn", sizeof("spawn") - 1); + + check(cp, "couldn't find spawn?\n"); + long name_len = convnum(cp->c_namesize, 8, 16); + uintptr_t spawn = (uintptr_t)(cp) + align_up(sizeof(struct cpio_header) + name_len, 4); + printf("found spawn at %lx\n", spawn); + + printf("doing spawns...\n"); + + int counter = 0; + while (1) { + printf("spawning %d\n", counter++); + id_t new = sys_spawn(spawn, 0); + if (new < 0) + break; + } + + /* could also check for memory leaks but this is good enough for now */ + ok(); +} -- cgit v1.3