[AOLSERVER] mutex try lock?

[John Buckman]

I'm looking to have mutexes with timeouts, and I see support in the C  
code for this but none carried over to Tcl.

In the C code, there's a Ns_MutexTryLock() function, but no tcl  
function for calling it.

Ns_MutexLock calls Ns_MutexTryLock() and there appears to be timeout  
support:
    if (!NsLockTry(mutexPtr->lock)) {
        return NS_TIMEOUT;
    }

but I don't see any way of setting the mutex timeout seconds.

It's trivially simple to modify NsTclMutexObjCmd (in tclthread.c) to  
support "ns_mutex try" and I'm wondering if there's a reason this  
hasn't been done.

-john


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