Date: Thu, 3 Aug 2006 13:51:45 -0400 (EDT) From: Daniel Eischen <deischen@freebsd.org> To: Poul-Henning Kamp <phk@critter.freebsd.dk> Cc: FreeBSD-gnats-submit@freebsd.org, freebsd-threads@freebsd.org Subject: Re: threads/101323: fork(2) in threaded programs broken. Message-ID: <Pine.GSO.4.64.0608031348490.13543@sea.ntplx.net> In-Reply-To: <200608030924.k739OrJ1016406@critter.freebsd.dk> References: <200608030924.k739OrJ1016406@critter.freebsd.dk>
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On Thu, 3 Aug 2006, Poul-Henning Kamp wrote: > Forking a threaded process and starting a thread in the > child process does not work. > > Tested on -current and releng_6 and both fails with more or > less the same error message: > > Fatal error 'mutex is on list' at line 540 in file > /usr/src/lib/libpthread/thread/thr_mutex.c (errno = 0) fork()ing from a threaded process and making calls to functions other than those defined as async-signal-safe is not allowed by POSIX. libpthread intentionally doesn't support this. -- DE
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