Subj : Re: pthread_mutex_trylock problem
To   : comp.programming.threads
From : AlterX
Date : Wed Aug 31 2005 04:21 pm

rajendra.stalekar@gmail.com wrote:

[cut]
> sleep on it and once the thread which acquired releases it the first
> thread which is sleeping acquires.
> When would we use pthread_mutex_trylock() then? What is the use of such
> a function.

pthread_mutex_trylock, tries to lock mutex if there isn't locked;
if it is, then it return, otherwise, lock mutex.
there isn't guarantee about which thread restart (after wait), after 
mutex unlocked.

.