atomic_dec_and_mutex_lock (9) - Linux Man Pages

atomic_dec_and_mutex_lock: return holding mutex if we dec to 0

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 [at] rustcorp.com.au>

Author.

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