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From: Andrew Gallatin <gallatin@FreeBSD.org>
Date: Mon, 13 Nov 2000 12:44:05 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/i386/linux linux.h linux_sysvec.c
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gallatin    2000/11/13 12:44:05 PST

  Modified files:
    sys/i386/linux       linux.h linux_sysvec.c 
  Log:
  Make linux_sendsig and linux_sigreturn use all 64 bits of a
  linux_sigset_t by updating the linux_sigframe struct so as to include
  linux's "extramask" field.  This field contains the upper 32-bits of
  the sigset.  extramask sits behind a linux_fpstate struct, which I've
  defined primarily for padding purposes.
  
  While we're here, define LINUX_NSIG in terms of LINUX_NBPW (32) and
  LINUX_NSIG_WORDS (2).
  
  This fixes problems where threaded apps would accumulate a large
  number of zombies.  This was happening because the exit signal resides
  in the upper 32-bits of the sigset and was never getting unmasked by
  the manager thread after the first child exited.
  
  PR: 		misc/18530  (may be related, originator not yet contacted)
  Reviewed by:	marcel
  
  Revision  Changes    Path
  1.48      +43 -3     src/sys/i386/linux/linux.h
  1.66      +15 -4     src/sys/i386/linux/linux_sysvec.c



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