ATOMIC_DEC_AND_MUTEX
Section: Mutex API reference (9)
Updated: February 2011
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NAME
atomic_dec_and_mutex_lock - return holding mutex if we dec to 0
SYNOPSIS
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int atomic_dec_and_mutex_lock(atomic_t * cnt, struct mutex * lock);
ARGUMENTS
cnt
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- the atomic which we are to dec
lock
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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>
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Author.
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