* [LTP] [PATCH] syscalls/recvmsg01: wait for server to finish
@ 2022-05-06 9:14 Jan Stancek
2022-05-06 11:02 ` Petr Vorel
0 siblings, 1 reply; 3+ messages in thread
From: Jan Stancek @ 2022-05-06 9:14 UTC (permalink / raw)
To: ltp
When test finishes, cleanup of temporary directory (by library)
can be racing with server process still running sender() function
and trying to clean temp file "smtXXXXXX":
...
recvmsg01 12 TPASS : large cmesg length successful
recvmsg01 0 TWARN : tst_tmpdir.c:343: tst_rmdir: rmobj(/mnt/testarea/ltp-jj3j87RyWN/recnDC6uq)
failed: unlink(/mnt/testarea/ltp-jj3j87RyWN/recnDC6uq/smtlCpMTv)
failed; errno=2: ENOENT
Wait for server pid before proceeding with test cleanup.
Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
testcases/kernel/syscalls/recvmsg/recvmsg01.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/testcases/kernel/syscalls/recvmsg/recvmsg01.c b/testcases/kernel/syscalls/recvmsg/recvmsg01.c
index 13bcaa4e07c4..6b78a230ba04 100644
--- a/testcases/kernel/syscalls/recvmsg/recvmsg01.c
+++ b/testcases/kernel/syscalls/recvmsg/recvmsg01.c
@@ -268,8 +268,10 @@ void setup(void)
void cleanup(void)
{
- if (pid > 0)
+ if (pid > 0) {
(void)kill(pid, SIGKILL); /* kill server */
+ wait(NULL);
+ }
if (tmpsunpath[0] != '\0')
(void)unlink(tmpsunpath);
tst_rmdir();
--
2.27.0
--
Mailing list info: https://lists.linux.it/listinfo/ltp
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2022-05-06 9:14 [LTP] [PATCH] syscalls/recvmsg01: wait for server to finish Jan Stancek
2022-05-06 11:02 ` Petr Vorel
2022-05-09 7:25 ` Li Wang
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