Re: PR_WaitCondVar

Wan-Teh Chang wrote:
> Sabyasachi Ruj wrote:
>> Hello,
>> How can I determine that 'PR_WaitCondVar' returned because of timeout or 
>> because it has received the notification?
>> In both cases that function returns PR_SUCCESS.
>>
>> I've gone through the documentation but do not understand what it meant.
> 
> It is a design decision that PR_WaitCondVar does not report a timeout.
> If you care about timeout, you must call PR_IntervalNow() before and
> after the PR_WaitCondVar call and see if the elapsed time is greater
> than the timeout.
> 
> The rationale for the design decision is that it is hard for the
> implementation to report a timeout accurately.

I added a sentence at the end of the PR_WaitCondVar page to
clarify this, with a link to the PR_IntervalNow page:
http://developer.mozilla.org/en/docs/PR_WaitCondVar#Description

You can find sample code on the PR_IntervalNow page.

Let me know if the man page or the sample code is still not
clear.

Wan-Teh