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don't check POLLOUT for single-socket proxies

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Min RK 2015-06-06 21:05:32 -07:00
parent d3bb450892
commit 158d77d63e
1 changed files with 10 additions and 5 deletions
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15
src/proxy.cpp
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@ -142,10 +142,14 @@ int zmq::proxy (
return -1;
// Get the pollout separately because when combining this with pollin it maxes the CPU
// because pollout shall most of the time return directly
rc = zmq_poll (&itemsout [0], 2, 0);
if (unlikely (rc < 0))
return -1;
// because pollout shall most of the time return directly.
// POLLOUT is only checked when frontend and backend sockets are not the same.
if (frontend_ != backend_) {
rc = zmq_poll (&itemsout [0], 2, 0);
if (unlikely (rc < 0)) {
return -1;
}
}
// Process a control command if any
if (control_ && items [2].revents & ZMQ_POLLIN) {
@ -180,13 +184,14 @@ int zmq::proxy (
// Process a request
if (state == active
&& items [0].revents & ZMQ_POLLIN
&& itemsout [1].revents & ZMQ_POLLOUT) {
&& (frontend_ == backend_ || itemsout [1].revents & ZMQ_POLLOUT)) {
rc = forward(frontend_, backend_, capture_,msg);
if (unlikely (rc < 0))
return -1;
}
// Process a reply
if (state == active
&& frontend_ != backend_
&& items [1].revents & ZMQ_POLLIN
&& itemsout [0].revents & ZMQ_POLLOUT) {
rc = forward(backend_, frontend_, capture_,msg);