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authorMichael Ellerman <mpe@ellerman.id.au>2014-06-10 22:23:08 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-06-11 17:03:49 +1000
commitde506f73dd40cc1f3ba3312bd454e06f2803335b (patch)
tree35e149b0e30b5b7a24a9bf3a3981f29df279f137 /tools
parent0a6121cf337d8f5183ef1f8a8bca0734f14f4bb1 (diff)
downloadlinux-de506f73dd40cc1f3ba3312bd454e06f2803335b.tar.gz
selftests/powerpc: Put the test in a separate process group
Allows us to kill the test and any children it has spawned.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/powerpc/harness.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/testing/selftests/powerpc/harness.c b/tools/testing/selftests/powerpc/harness.c
index e80c42a584fe..532ddff8a669 100644
--- a/tools/testing/selftests/powerpc/harness.c
+++ b/tools/testing/selftests/powerpc/harness.c
@@ -30,12 +30,15 @@ int run_test(int (test_function)(void), char *name)
 
 	pid = fork();
 	if (pid == 0) {
+		setpgid(0, 0);
 		exit(test_function());
 	} else if (pid == -1) {
 		perror("fork");
 		return 1;
 	}
 
+	setpgid(pid, pid);
+
 	/* Wake us up in timeout seconds */
 	alarm(TIMEOUT);
 	terminated = false;
@@ -50,17 +53,20 @@ wait:
 
 		if (terminated) {
 			printf("!! force killing %s\n", name);
-			kill(pid, SIGKILL);
+			kill(-pid, SIGKILL);
 			return 1;
 		} else {
 			printf("!! killing %s\n", name);
-			kill(pid, SIGTERM);
+			kill(-pid, SIGTERM);
 			terminated = true;
 			alarm(KILL_TIMEOUT);
 			goto wait;
 		}
 	}
 
+	/* Kill anything else in the process group that is still running */
+	kill(-pid, SIGTERM);
+
 	if (WIFEXITED(status))
 		status = WEXITSTATUS(status);
 	else {