trq_size_by_key()
#
trq_size_by_key()
returns the number of messages in the queue that match the specified key.
Prototype
int trq_size_by_key(
tr_queue trq,
const char *key
);
Parameters
Key |
Type |
Description |
---|---|---|
|
|
The queue instance to search within. |
|
|
The key used to filter messages in the queue. |
Return Value
The number of messages in the queue that match the given key.
Notes
If no messages match the key, trq_size_by_key()
returns 0
.
Prototype
// Not applicable in JS
Prototype
# Not applicable in Python
Examples
// TODO C examples
// TODO JS examples
# TODO Python examples