My receint change adding in a call to recv_ready(, 10) was really slowing down the shm performance. So now I am rather retrying which doesn't slow it down and also passes "make check". Signed-off-by: Angus Salkeld <asalkeld(a)redhat.com&gt; --- lib/ipcc.c | 11 ++++++++--- 1 files changed, 8 insertions(+), 3 deletions(-) diff --git a/lib/ipcc.c b/lib/ipcc.c index ea79370..5fb8039 100644 --- a/lib/ipcc.c +++ b/lib/ipcc.c @@ -134,11 +134,16 @@ ssize_t qb_ipcc_recv(struct qb_ipcc_connection * c, void *msg_ptr, size_t msg_len) { int32_t res = 0; + int32_t retries = 0; - res = c->funcs.recv(&c->response, msg_ptr, msg_len, 1000); + recv_retry: + retries++; + res = c->funcs.recv(&c->response, msg_ptr, msg_len, 100); if (res == -EAGAIN && c->needs_sock_for_poll) { - res = qb_ipc_us_recv_ready(&c->setup, 10); - if (res < 0) { + res = qb_ipc_us_recv_ready(&c->setup, 0); + if (res == -EAGAIN && retries < 50) { + goto recv_retry; + } else if (res < 0) { return res; } else { return -EAGAIN; -- 1.7.3.1