atomic_dec_and_mutex_lock (9) Linux Manual Page
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 [at] rustcorp.com.au>
- Author.