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-rw-r--r--man/man3/zmq_poll.310
1 files changed, 8 insertions, 2 deletions
diff --git a/man/man3/zmq_poll.3 b/man/man3/zmq_poll.3
index 9782691..82277e3 100644
--- a/man/man3/zmq_poll.3
+++ b/man/man3/zmq_poll.3
@@ -2,7 +2,7 @@
.SH NAME
zmq_poll \- polls for events on a set of 0MQ and POSIX sockets
.SH SYNOPSIS
-.B int zmq_poll (zmq_pollitem_t *items, int nitems);
+.B int zmq_poll (zmq_pollitem_t *items, int nitems, long timeout);
.SH DESCRIPTION
Waits for the events specified by
.IR items
@@ -31,7 +31,7 @@ specifies which events to wait for. It's a combination of the values below.
Once the call exits,
.IR revent
will be filled with events that have actually occured on the socket. The field
-will contain a combination of the following values.
+will contain a combination of the values below.
.IP "\fBZMQ_POLLIN\fP"
poll for incoming messages.
@@ -40,6 +40,12 @@ wait while message can be set socket. Poll will return if a message of at least
one byte can be written to the socket. However, there is no guarantee that
arbitrarily large message can be sent.
+.IR timeout
+argument specifies an upper limit on the time for which
+.IR zmq_poll
+will block, in microseconds. Specifying a negative value in timeout means
+an infinite timeout.
+
.SH RETURN VALUE
Function returns number of items signaled or -1 in the case of error.
.SH ERRORS