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 <avkras...@sberdevices.ru> --- 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);
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