git: kernel - Fix long-standing vfork/exec bug

[Matthew Dillon <dillon@xxxxxxxxxxxxxxxxxxxxxxx>]

commit ee934fe9e6c46439debd01c33ade51aeb9d46060
Author: Matthew Dillon <dillon@apollo.backplane.com>
Date:   Wed Oct 19 08:19:01 2011 -0700

    kernel - Fix long-standing vfork/exec bug
    
    * Fix an issue where the parent process can get stuck in the "ppwait"
      state due to a tsleep/wakeup race with its child.
    
    * This bug was present but masked by other tokens prior to a few patches
      ago.  With those tokens now gone this bug reared its face.

Summary of changes:
 sys/kern/kern_fork.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ee934fe9e6c46439debd01c33ade51aeb9d46060


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