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Man Pages
ZMQ_ATOMIC_COUNTER_V(3) 0MQ Manual ZMQ_ATOMIC_COUNTER_V(3)

zmq_atomic_counter_value - return value of atomic counter

int zmq_atomic_counter_value (void *counter);

The zmq_atomic_counter_value function returns the value of an atomic counter created by zmq_atomic_counter_new(). This function uses platform specific atomic operations.

The zmq_atomic_counter_value() function returns the value of the atomic counter. If counter does not point to an atomic counter created by zmq_atomic_counter_new(), the behaviour is undefined.

Test code for atomic counters.
void *counter = zmq_atomic_counter_new ();
assert (zmq_atomic_counter_value (counter) == 0);
assert (zmq_atomic_counter_inc (counter) == 0);
assert (zmq_atomic_counter_inc (counter) == 1);
assert (zmq_atomic_counter_inc (counter) == 2);
assert (zmq_atomic_counter_value (counter) == 3);
assert (zmq_atomic_counter_dec (counter) == 1);
assert (zmq_atomic_counter_dec (counter) == 1);
assert (zmq_atomic_counter_dec (counter) == 0);
zmq_atomic_counter_set (counter, 2);
assert (zmq_atomic_counter_dec (counter) == 1);
assert (zmq_atomic_counter_dec (counter) == 0);
zmq_atomic_counter_destroy (&counter);
return 0;

zmq_atomic_counter_new(3) zmq_atomic_counter_set(3) zmq_atomic_counter_inc(3) zmq_atomic_counter_dec(3) zmq_atomic_counter_destroy(3)

This page was written by the 0MQ community. To make a change please read the 0MQ Contribution Policy at http://www.zeromq.org/docs:contributing.
12/13/2017 0MQ 4.2.3

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