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From: David Xu <davidxu@FreeBSD.org>
Date: Sat, 3 Jan 2004 15:31:29 -0800 (PST)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/i386/linux linux_sysvec.c
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davidxu     2004/01/03 15:31:29 PST

  FreeBSD src repository

  Modified files:
    sys/i386/linux       linux_sysvec.c 
  Log:
  Make sigaltstack as per-threaded, because per-process sigaltstack state
  is useless for threaded programs, multiple threads can not share same
  stack.
  The alternative signal stack is private for thread, no lock is needed,
  the orignal P_ALTSTACK is now moved into td_pflags and renamed to
  TDP_ALTSTACK.
  For single thread or Linux clone() based threaded program, there is no
  semantic changed, because those programs only have one kernel thread
  in every process.
  
  Revision  Changes    Path
  1.130     +2 -2      src/sys/i386/linux/linux_sysvec.c