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Subject[PATCH 2/3] stress-shm-sysv: exercise shmat with all possible flags
Date
Exercise shmat syscall with all possible flags resulting in more kernel
coverage.

Signed-off-by: Piyush Goyal <piyushgoyaliit@gmail.com>
---
stress-shm-sysv.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/stress-shm-sysv.c b/stress-shm-sysv.c
index 5a3e0cc1..9efaa091 100644
--- a/stress-shm-sysv.c
+++ b/stress-shm-sysv.c
@@ -139,6 +139,16 @@ static void exercise_shmat(int shm_id)
/* Exercise shmat syscall with invalid flags */
addr = shmat(shm_id, NULL, ~0);
(void)addr;
+
+ /* Exercise shmat with all possible values of flags */
+ addr = shmat(shm_id, NULL, SHM_RDONLY);
+ (void)addr;
+
+ addr = shmat(shm_id, NULL, SHM_EXEC);
+ (void)addr;
+
+ addr = shmat(shm_id, NULL, SHM_RND);
+ (void)addr;
}

#if defined(__linux__)
--
2.25.1
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