[PATCH] tools: msgque improve error handling when not running as root

[Shuah Khan]

The test fails in the middle when it is not run as root while
accessing /proc/sys/kernel/msg_next_id. Changed it to check
for root at the beginning of the test. Also added messages
to indicate start and test pass status.

Signed-off-by: Shuah Khan <shuah.kh@xxxxxxxxxxx>
---
 tools/testing/selftests/ipc/msgque.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/testing/selftests/ipc/msgque.c b/tools/testing/selftests/ipc/msgque.c
index aa290c0..30c627a 100644
--- a/tools/testing/selftests/ipc/msgque.c
+++ b/tools/testing/selftests/ipc/msgque.c
@@ -193,6 +193,12 @@ int main(int argc, char **argv)
 	int msg, pid, err;
 	struct msgque_data msgque;
 
+	if (getuid() != 0) {
+		fprintf(stderr, "Please run the test as root - Exiting.\n");
+		exit(1);
+	}
+
+	printf("Starting ipc tests:\n");
 	msgque.key = ftok(argv[0], 822155650);
 	if (msgque.key == -1) {
 		printf("Can't make key\n");
@@ -235,6 +241,7 @@ int main(int argc, char **argv)
 		printf("Failed to test queue\n");
 		goto err_out;
 	}
+	printf("All ipc tests Passsed\n");
 	return 0;
 
 err_destroy:
-- 
1.9.1

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