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vsock/test: check also expected errno on sigpipe test

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In the sigpipe test, we expect send() to fail, but we do not check if
send() fails with the errno we expect (EPIPE).

Add this check and repeat the send() in case of EINTR as we do in other
tests.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://patch.msgid.link/20250514141927.159456-4-sgarzare@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Stefano Garzarella 2025-05-14 16:19:27 +02:00 committed by Jakub Kicinski
parent 135a8a4d25
commit 3c6abbe85b
1 changed files with 10 additions and 2 deletions
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12
tools/testing/vsock/vsock_test.c
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@ -1075,7 +1075,7 @@ static void test_stream_check_sigpipe(int fd)
timeout_begin(TIMEOUT);
while(1) {
res = send(fd, "A", 1, 0);
if (res == -1)
if (res == -1 && errno != EINTR)
break;
/* Sleep a little before trying again to avoid flooding the
@ -1087,6 +1087,10 @@ static void test_stream_check_sigpipe(int fd)
}
timeout_end();
if (errno != EPIPE) {
fprintf(stderr, "unexpected send(2) errno %d\n", errno);
exit(EXIT_FAILURE);
}
if (!have_sigpipe) {
fprintf(stderr, "SIGPIPE expected\n");
exit(EXIT_FAILURE);
@ -1097,7 +1101,7 @@ static void test_stream_check_sigpipe(int fd)
timeout_begin(TIMEOUT);
while(1) {
res = send(fd, "A", 1, MSG_NOSIGNAL);
if (res == -1)
if (res == -1 && errno != EINTR)
break;
timeout_usleep(SEND_SLEEP_USEC);
@ -1105,6 +1109,10 @@ static void test_stream_check_sigpipe(int fd)
}
timeout_end();
if (errno != EPIPE) {
fprintf(stderr, "unexpected send(2) errno %d\n", errno);
exit(EXIT_FAILURE);
}
if (have_sigpipe) {
fprintf(stderr, "SIGPIPE not expected\n");
exit(EXIT_FAILURE);