From 2442f595d23b919bdc61d117b85a55304d6535a5 Mon Sep 17 00:00:00 2001
From: Thomas Wood <thomas.wood@intel.com>
Date: Thu, 24 Sep 2015 11:35:19 +0100
Subject: lib/tests: explicitly raise SIGSEGV

Dereferencing a NULL pointer is undefined behaviour and may not always
result in a segmentation fault. Explicitly raise the SIGSEGV signal to
test handling of this signal.

v2: include signal.h (Derek Morton)

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
---
 lib/tests/igt_segfault.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'lib/tests')

diff --git a/lib/tests/igt_segfault.c b/lib/tests/igt_segfault.c
index b420b1a2..d07677da 100644
--- a/lib/tests/igt_segfault.c
+++ b/lib/tests/igt_segfault.c
@@ -34,6 +34,7 @@
  * 4. Test a crashing subtest preceeding a passing subtest is reported.
  */
 
+#include <signal.h>
 #include <stdlib.h>
 #include <sys/wait.h>
 #include <sys/types.h>
@@ -57,11 +58,15 @@ bool runc;
 char test[] = "test";
 char *argv_run[] = { test };
 
+static void crashme(void)
+{
+	raise(SIGSEGV);
+}
+
 static int do_fork(void)
 {
 	int pid, status;
 	int argc;
-	void (*crashme)(void) = NULL;
 
 	switch (pid = fork()) {
 	case -1:
-- 
cgit v1.2.3