diff options
Diffstat (limited to 'doc/zmq_setsockopt.txt')
| -rw-r--r-- | doc/zmq_setsockopt.txt | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/doc/zmq_setsockopt.txt b/doc/zmq_setsockopt.txt index b16bab4..48afbfc 100644 --- a/doc/zmq_setsockopt.txt +++ b/doc/zmq_setsockopt.txt @@ -25,12 +25,12 @@ argument is the size of the option value in bytes. The following socket options can be set with the _zmq_setsockopt()_ function: -ZMQ_HWM: Set high water mark -~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -The 'ZMQ_HWM' option shall set the high water mark for the specified 'socket'. -The high water mark is a hard limit on the maximum number of outstanding -messages 0MQ shall queue in memory for any single peer that the specified -'socket' is communicating with. +ZMQ_SNDHWM: Set high water mark for outbound messages +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +The 'ZMQ_SNDHWM' option shall set the high water mark for outbound messages on +the specified 'socket'. The high water mark is a hard limit on the maximum +number of outstanding messages 0MQ shall queue in memory for any single peer +that the specified 'socket' is communicating with. If this limit has been reached the socket shall enter an exceptional state and depending on the socket type, 0MQ shall take appropriate action such as @@ -38,7 +38,29 @@ blocking or dropping sent messages. Refer to the individual socket descriptions in linkzmq:zmq_socket[3] for details on the exact action taken for each socket type. -The default 'ZMQ_HWM' value of zero means "no limit". +The default 'ZMQ_SNDHWM' value of zero means "no limit". + +[horizontal] +Option value type:: int +Option value unit:: messages +Default value:: 0 +Applicable socket types:: all + + +ZMQ_RCVHWM: Set high water mark for inbound messages +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +The 'ZMQ_RCVHWM' option shall set the high water mark for inbound messages on +the specified 'socket'. The high water mark is a hard limit on the maximum +number of outstanding messages 0MQ shall queue in memory for any single peer +that the specified 'socket' is communicating with. + +If this limit has been reached the socket shall enter an exceptional state and +depending on the socket type, 0MQ shall take appropriate action such as +blocking or dropping sent messages. Refer to the individual socket descriptions +in linkzmq:zmq_socket[3] for details on the exact action taken for each socket +type. + +The default 'ZMQ_RCVHWM' value of zero means "no limit". [horizontal] Option value type:: int |