1. NAME

atomic_dec_and_mutex_lock - return holding mutex if we dec to 0

2. SYNOPSIS

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

3. ARGUMENTS

cnt
    the atomic which we are to dec

lock
    the mutex to return holding if we dec to 0

4. DESCRIPTION

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

5. AUTHOR

Rusty Russell < >
    Author.

6. COPYRIGHT