monitor: Monitor a Socket for Pipe Changes

In nanonext: NNG (Nanomsg Next Gen) Lightweight Messaging Library

Monitor a Socket for Pipe Changes

Description

This function monitors pipe additions and removals from a socket.

Usage

monitor(sock, cv)

read_monitor(x)

Arguments

sock	a Socket.
cv	a 'conditionVariable'.
x	a Monitor.

Value

For monitor: a Monitor (object of class 'nanoMonitor').
For read_monitor: an integer vector of pipe IDs (positive if added, negative if removed), or else NULL if there were no changes since the previous read.

Examples

cv <- cv()
s <- socket("poly")
s1 <- socket("poly")

m <- monitor(s, cv)
m

listen(s)
dial(s1)

cv_value(cv)
read_monitor(m)

close(s)
close(s1)

read_monitor(m)

nanonext documentation built on April 4, 2025, 5:18 a.m.