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
atomic_t * cnt
the atomic which we are to dec
struct mutex * 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