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From: Kelly Yancey <kbyanc@FreeBSD.org>
Date: Wed, 8 Dec 2004 19:03:55 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/i386/i386 vm_machdep.c
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kbyanc      2004-12-08 19:03:55 UTC

  FreeBSD src repository

  Modified files:
    sys/i386/i386        vm_machdep.c 
  Log:
  If the parent process has the trap bit set (i.e. a debugger had single
  stepped the process to the system call), we need to clear the trap flag
  from the new frame unless the debugger had set PF_FORK on the parent.
  Otherwise, the child will receive a (likely unexpected) SIGTRAP when it
  executes the first instruction after returning to userland.
  
  Reviewed by:    bde
  MFC after:      3 days
  
  Revision  Changes    Path
  1.247     +12 -0     src/sys/i386/i386/vm_machdep.c