Re: thread group comments

From: Mark Kettenis (
Date: Sun Sep 03 2000 - 19:21:01 EST

   Date: Sat, 2 Sep 2000 11:56:05 -0700 (PDT)
   From: Linus Torvalds <>

> * SIGCONT isn't handled correctly:
> "[W]hen SIGCONT is generated for a process all pending stop signals
> for that process shall be discarded."

   A lot of these issues should be fixed in test8-pre2. It does more of a
   true job of having shared signals instead of emulating them with a global
   "blocked" list and spreading them out to be local signals.

I looked at test8-pre2, and the basic strategy looks promising :-).

doesn't work. The current LinuxThreads library uses CLONE_SIGHAND but
cannot deal with the thread group stuff (it relies on getpid()
returning the process ID of the thread and not the process ID of the
thread-group leader). Basically locks up every existing
multi-threaded program.

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