atomic_dec_and_mutex_lock man page on Oracle

atomic_dec_and_mutex_lock man page on Oracle

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ATOMIC_DEC_AND_MUTEX(9)	      Mutex API reference      ATOMIC_DEC_AND_MUTEX(9)

NAME
       atomic_dec_and_mutex_lock - return holding mutex if we dec to 0

SYNOPSIS
       int atomic_dec_and_mutex_lock(atomic_t * cnt, struct mutex * lock);

ARGUMENTS
       cnt
	   the atomic which we are to dec

       lock
	   the mutex to return holding if we dec to 0

DESCRIPTION
       return true and hold lock if we dec to 0, return false otherwise

AUTHOR
       Rusty Russell <rusty@rustcorp.com.au>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014	       ATOMIC_DEC_AND_MUTEX(9)

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