From owner-cvs-all  Mon Oct  4 12:34:39 1999
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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Mon, 4 Oct 1999 12:34:01 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/alpha/alpha machdep.c src/sys/alpha/include
         reg.h signal.h ucontext.h src/sys/i386/i386 genassym.c machdep.c
         src/sys/i386/include signal.h ucontext.h src/sys/pc98/i386
         machdep.c src/sys/sys signal.h ucontext.h
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marcel      1999/10/04 12:34:01 PDT

  Modified files:
    sys/alpha/alpha      machdep.c 
    sys/alpha/include    reg.h signal.h ucontext.h 
    sys/i386/i386        genassym.c machdep.c 
    sys/i386/include     signal.h ucontext.h 
    sys/pc98/i386        machdep.c 
    sys/sys              signal.h ucontext.h 
  Log:
  Re-introduction of sigcontext.
  
  struct sigcontext and ucontext_t/mcontext_t are defined in such
  a way that both (ie struct sigcontext and ucontext_t) can be
  passed on to sigreturn. The signal handler is still given a
  ucontext_t for maximum flexibility.
  
  For backward compatibility sigreturn restores the state for the
  alternate signal stack from sigcontext.sc_onstack and not from
  ucontext_t.uc_stack. A good way to determine which value the
  application has set and thus which value to use, is still open
  for discussion.
  
  NOTE: This change should only affect those binaries that use
        sigcontext and/or ucontext_t. In the source tree itself
        this is only doscmd. Recompilation is required for those
        applications.
  
  This commit also fixes a lot of style bugs without hopefully
  adding new ones.
  
  NOTE: struct sigaltstack.ss_size now has type size_t again. For
        some reason I changed that into unsigned int.
  
  Parts submitted by: bde
  sigaltstack bug found by: bde
  
  Revision  Changes    Path
  1.56      +33 -13    src/sys/alpha/alpha/machdep.c
  1.6       +10 -1     src/sys/alpha/include/reg.h
  1.5       +26 -2     src/sys/alpha/include/signal.h
  1.2       +17 -11    src/sys/alpha/include/ucontext.h
  1.80      +4 -4      src/sys/i386/i386/genassym.c
  1.366     +11 -8     src/sys/i386/i386/machdep.c
  1.11      +52 -23    src/sys/i386/include/signal.h
  1.2       +15 -8     src/sys/i386/include/ucontext.h
  1.135     +11 -8     src/sys/pc98/i386/machdep.c
  1.18      +59 -49    src/sys/sys/signal.h
  1.2       +17 -8     src/sys/sys/ucontext.h



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