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MFC r236286:
authoreadler <eadler@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 13 Jun 2012 03:41:22 +0000 (03:41 +0000)
committereadler <eadler@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Wed, 13 Jun 2012 03:41:22 +0000 (03:41 +0000)
commitb193cd12ce74b3fc5ca69421719fe1d94d371845
treef96d71458b71c0a0923d416d55596e743fcbbedb
parent38e6cad2391321eaee10daf415441c5bb9d1d470
MFC r236286:
Fix likely race condition if wait_child() is interrupted by sigchild()

PR: bin/102834
Approved by: cperciva (implicit)

git-svn-id: svn://svn.freebsd.org/base/stable/8@236985 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
usr.bin/mail/popen.c