MUTEX_MINE man page on IRIX

MUTEX_MINE man page on IRIX

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MUTEX_MINE(D3)							MUTEX_MINE(D3)

NAME
     MUTEX_MINE - query whether a mutual exclusion lock is owned by caller

SYNOPSIS
     #include <sys/types.h>
     #include <sys/ksynch.h>
     #include <sys/ddi.h>
     boolean_t MUTEX_MINE(mutex_t *lockp);

   Arguments
     lockp     Pointer to the mutual exclusion lock to be queried.

DESCRIPTION
     MUTEX_MINE returns a value indicating whether the mutual exclusion lock
     specified by lockp is currently held by the calling process.

   Return Values
     MUTEX_MINE returns TRUE (a non-zero value) if the lock is owned by the
     caller or FALSE (zero) if the lock isn't.

   Level
     Base only.

   Synchronization Constraints
     Does not sleep.

     Driver-defined basic locks, read/write locks, and sleep locks may be held
     across calls to this function.

REFERENCES
     MUTEX_ALLOC(D3), MUTEX_INIT(D3), MUTEX_DEALLOC(D3), MUTEX_DESTROY(D3),
     MUTEX_LOCK(D3), MUTEX_TRYLOCK(D3), MUTEX_UNLOCK(D3), MUTEX_OWNED(D3).

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