On Mon, Jul 18, 2022 at 08:19:06AM +0000, Arseniy Krasnov wrote:
This adds test to check, that when poll() returns POLLIN and
POLLRDNORM bits, next read call won't block.
Signed-off-by: Arseniy Krasnov <AVKrasnov@xxxxxxxxxxxxxx>
---
tools/testing/vsock/vsock_test.c | 90 ++++++++++++++++++++++++++++++++
1 file changed, 90 insertions(+)
diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
index dc577461afc2..8e394443eaf6 100644
--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -18,6 +18,7 @@
#include <sys/socket.h>
#include <time.h>
#include <sys/mman.h>
+#include <poll.h>
#include "timeout.h"
#include "control.h"
@@ -596,6 +597,90 @@ static void test_seqpacket_invalid_rec_buffer_server(const struct test_opts *opt
close(fd);
}
+static void test_stream_poll_rcvlowat_server(const struct test_opts *opts)
+{
+#define RCVLOWAT_BUF_SIZE 128
+ int fd;
+ int i;
+
+ fd = vsock_stream_accept(VMADDR_CID_ANY, 1234, NULL);
+ if (fd < 0) {
+ perror("accept");
+ exit(EXIT_FAILURE);
+ }
+
+ /* Send 1 byte. */
+ send_byte(fd, 1, 0);
+
+ control_writeln("SRVSENT");
+
+ /* Just empirically delay value. */
+ sleep(4);
Why we need this sleep()?
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