[libc-alpha] mt-application hanging in exit()

Andreas Schwab schwab@suse.de
Sat Jan 19 11:56:00 GMT 2002


Bertold Kolics <Bertold.Kolics@Sun.COM> writes:

|> Hallo Andreas,
|> 
|> >> Then we must have a problem. I can reproduce it each & every time. I have run
|> >> my app under strace using microsec timestamping, and I could see the restart
|> >> signal arriving before the signal mask modification is done inside suspend().
|> >
|> >Please send a *small* program that shows the problem,
|> 
|> I may have found the problem, but I still believe that there is a problem in glibc.
|> 
|> Before setting up the signal handlers, I used to clear the signal mask of the process.

You must not call sigprocmask in a multi-threaded process.  Use
pthread_sigmask instead.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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