svn commit: r185456 - head/lib/libthr/thread

Konstantin Belousov kib at
Sat Nov 29 13:46:28 PST 2008

Author: kib
Date: Sat Nov 29 21:46:28 2008
New Revision: 185456

  Unlock the malloc() locks in the child process after fork(). This gives
  us working malloc in the fork child of the multithreaded process.
  Although POSIX requires that only async-signal safe functions shall be
  operable after fork in multithreaded process, not having malloc lower
  the quality of our implementation.
  Tested by:	rink
  Discussed with:	kan, davidxu
  Reviewed by:	kan
  MFC after:	1 month


Modified: head/lib/libthr/thread/thr_fork.c
--- head/lib/libthr/thread/thr_fork.c	Sat Nov 29 21:42:13 2008	(r185455)
+++ head/lib/libthr/thread/thr_fork.c	Sat Nov 29 21:46:28 2008	(r185456)
@@ -172,6 +172,7 @@ _fork(void)
 		if (unlock_malloc) {
+			_malloc_postfork();
 		/* Run down atfork child handlers. */

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