lib/drmtest: set default sighandler for QUIT in the signal process

Otherwise the thing doesn't reliably die when run from the piglit
framework somehow.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/lib/drmtest.c b/lib/drmtest.c
index aaf7ff2..0a065c0 100644 (file)
--- a/lib/drmtest.c
+++ b/lib/drmtest.c
@@ -596,9 +596,12 @@ static void sig_handler(int i)
 void drmtest_fork_signal_helper(void)
 {
        pid_t pid;
+       sighandler_t oldsig;
 
        signal(SIGUSR1, sig_handler);
+       oldsig = signal(SIGQUIT, SIG_DFL);
        pid = fork();
+       signal(SIGQUIT, oldsig);
        if (pid == 0) {
                signal_helper_process(getppid());
                return;