ZMQ_ATOMIC_COUNTER_N - Online Linux Manual Page

Section : 3
Updated : 01/21/2023
Source : 0MQ 4​.3​.4
Note : 0MQ Manual
NAMEzmq_atomic_counter_new − create a new atomic counter
SYNOPSISvoid *zmq_atomic_counter_new (void);
DESCRIPTIONThe zmq_atomic_counter_new function creates a new atomic counter​. You can use this in multithreaded applications to do, for example, reference counting of shared objects​. The atomic counter is at least 32 bits large​. This function uses platform specific atomic operations​.
RETURN VALUEThe zmq_atomic_counter_new() function returns the new atomic counter if successful​. Otherwise it returns NULL​.
EXAMPLETest 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;
SEE ALSOzmq_atomic_counter_set(3) zmq_atomic_counter_inc(3) zmq_atomic_counter_dec(3) zmq_atomic_counter_value(3) zmq_atomic_counter_destroy(3)
AUTHORSThis page was written by the 0MQ community​. To make a change please read the 0MQ Contribution Policy at http://www​.zeromq​.org/docs:contributing​. 0
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