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* [PATCH] Handle EINTR in tests
@ 2022-07-05 13:29 Dirk Müller
  2022-07-05 14:39 ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: Dirk Müller @ 2022-07-05 13:29 UTC (permalink / raw)
  To: io-uring; +Cc: Dirk Müller

On an otherwise busy machine the test suite is quite flaky. Restart
the syscalls that are aborted with EINTR.

Signed-off-by: Dirk Müller <[email protected]>
---
 test/ce593a6c480a.c | 5 ++++-
 test/io-cancel.c    | 7 ++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/test/ce593a6c480a.c b/test/ce593a6c480a.c
index 1c5669e..4c71fbc 100644
--- a/test/ce593a6c480a.c
+++ b/test/ce593a6c480a.c
@@ -111,7 +111,10 @@ int main(int argc, char *argv[])
 			(void*) (intptr_t) other_fd);
 
 	/* Wait on the event fd for an event to be ready */
-	ret = read(loop_fd, buf, 8);
+	do {
+		ret = read(loop_fd, buf, 8);
+	} while (ret < 0 && errno == EINTR);
+
 	if (ret < 0) {
 		perror("read");
 		return T_EXIT_FAIL;
diff --git a/test/io-cancel.c b/test/io-cancel.c
index d5e3ae9..13bf84f 100644
--- a/test/io-cancel.c
+++ b/test/io-cancel.c
@@ -365,8 +365,13 @@ static int test_cancel_req_across_fork(void)
 		exit(0);
 	} else {
 		int wstatus;
+		pid_t childpid;
 
-		if (waitpid(p, &wstatus, 0) == (pid_t)-1) {
+		do {
+			childpid = waitpid(p, &wstatus, 0);
+		} while (childpid == (pid_t)-1 && errno == EINTR);
+
+		if (childpid == (pid_t)-1) {
 			perror("waitpid()");
 			return 1;
 		}
-- 
2.36.1


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2022-07-05 13:29 [PATCH] Handle EINTR in tests Dirk Müller
2022-07-05 14:39 ` Jens Axboe

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