MUTEX_TRYLOCK(9)                       Mutex API reference                       MUTEX_TRYLOCK(9)



NAME
       mutex_trylock - try to acquire the mutex, without waiting

SYNOPSIS
       int __sched mutex_trylock(struct mutex * lock);

ARGUMENTS
       lock
           the mutex to be acquired

DESCRIPTION
       Try to acquire the mutex atomically. Returns 1 if the mutex has been acquired
       successfully, and 0 on contention.

NOTE
       this function follows the spin_trylock convention, so it is negated from the down_trylock
       return values! Be careful about this when converting semaphore users to mutexes.

       This function must not be used in interrupt context. The mutex must be released by the
       same task that acquired it.

AUTHOR
       Rusty Russell <rusty AT rustcorp.au>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                          MUTEX_TRYLOCK(9)