Attempt to remove the front element without blocking.
Synopsis
Declared in <bdlcc_singleproducerqueue.h>
int
tryPopFront(TYPE* value);Description
Attempt to remove the element from the front of this queue without blocking, and, if successful, load the specified value with the removed element. Return 0 on success, and a non‐zero value otherwise. Specifically, return e_DISABLED if isPopFrontDisabled(), and e_EMPTY if !isPopFrontDisabled() and the queue was empty. On failure, value is not changed.
Return Value
0 on success, and a non‐zero value otherwise
Parameters
Name |
Description |
value |
receives the removed element |
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