Am 11.10.2010 11:18, schrieb Michael Schnell:
On 10/08/2010 06:40 PM, Luca Olivetti wrote:
I'm surprised it works under windows: using synchronize and waitfor
has always been a no-no.
Seemingly Synchronize is not implemented decently in Lazarus (while it
seems to work perfectly as documented with Delphi).
I suppose WaitFor is done with Messages and this seems to be completely
broken for Linux in the latest svn version while it did work in former
versions and seems still to be working with the Windows Widget Type.
If you take a look at rtl/unix/tthread.inc (
http://svn.freepascal.org/cgi-bin/viewvc.cgi/trunk/rtl/unix/tthread.inc?revision=15599&view=markup
) you'll see that WaitFor simply calls "WaitForThreadTerminate" which is
a Thread Manager function. This is set to CWaitForThreadTerminate on
Unix systems ( see
http://svn.freepascal.org/cgi-bin/viewvc.cgi/trunk/rtl/unix/cthreads.pp?revision=15557&view=markup
) and just calls pthread_join, which waits for the thread to terminate
(without a timeout or other gimmicks like on Windows).
Regards,
Sven
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