[asterisk-bugs] [JIRA] (ASTERISK-23553) Add ast_spinlock capability to lock.h

[George Joseph (JIRA)]

George Joseph created ASTERISK-23553:
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             Summary: Add ast_spinlock capability to lock.h
                 Key: ASTERISK-23553
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23553
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Core/NewFeature
    Affects Versions: 12.1.1, SVN
            Reporter: George Joseph
            Severity: Minor


Add the following APIs to lock.h

ast_spinlock_init
ast_spinlock_lock
ast_spinlock_trylock
ast_spinlock_unlock

Depending on the capabilities determined by configure, choose from the following implementations in order of preference...  OSX Atomics (for OSX only), GCC Atomics, Pthread Spinlock and as a final fallback.. Pthread Mutex.

Patch pending post to reviewboard.





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