Small, statically‐initializable mutex for serialized resource access.

Synopsis

Declared in <bslmt_qlock.h>

struct QLock;

Description

An efficient statically‐initializable synchronization primitive that enables serialized access to shared resources. Objects of this class can only be manipulated through the use of a QLockGuard. The following idiom is used to initialize objects of type QLock: ` QLock mylock = BSLMT_QLOCK_INITIALIZER; `

Member Functions

Name

Description

initialize

Set this lock into the initial unlocked state.

isLocked

Return true if this lock is locked, and false otherwise.

Data Members

Name

Description

d_guardQueueTail

Pointer to the last guard in the queue of guards waiting for this lock, or 0 if the lock is unlocked.

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