From fd3fcbd3b3f12f878737d331d361de7eda0f579a Mon Sep 17 00:00:00 2001 From: Jeff McGee Date: Tue, 28 Jan 2014 18:25:04 -0600 Subject: lib/drmtest: Add igt_wait_helper igt_wait_helper compliments igt_stop_helper and is used when helper processes are expected to exit naturally. Signed-off-by: Jeff McGee Signed-off-by: Daniel Vetter --- lib/drmtest.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'lib/drmtest.c') diff --git a/lib/drmtest.c b/lib/drmtest.c index 02496c5d..f4a86005 100644 --- a/lib/drmtest.c +++ b/lib/drmtest.c @@ -1246,6 +1246,23 @@ void igt_stop_helper(struct igt_helper_process *proc) helper_process_count--; } +void igt_wait_helper(struct igt_helper_process *proc) +{ + int status; + + assert(proc->running); + + while (waitpid(proc->pid, &status, 0) == -1 && + errno == EINTR) + ; + igt_assert(WIFEXITED(status) && WEXITSTATUS(status) == 0); + + proc->running = false; + + helper_process_pids[proc->id] = -1; + helper_process_count--; +} + static void children_exit_handler(int sig) { int ret; -- cgit v1.2.3