I don't know what happened, but it seems some e-mails go in my address which
should direct to haskell mailing list.
rui
----- Forwarded message from John Meacham <[EMAIL PROTECTED]> -----
Date: Wed, 8 Oct 2003 14:02:46 -0700
From: John Meacham <[EMAIL PROTECTED]>
Reply-To: John Meacham <[EMAIL PROTECTED]>
Subject: non blocking System.system?
To: [EMAIL PROTECTED]
I was curious if there was a version of System.system floating about
which doesn't block all threads when doing concurrency? just doing an
actual fork and exec isn't sufficient because I need to do haskell
things (like write to MVars) after the spawned app finishes.
I imagine this might be written by catching sigCHLD and writing to an
mvar, but I can't seem to get at the siginfo_t structure from the
haskell signal callback to find out the pid of the process which died.
John
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