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From: Daniel Eischen <deischen@FreeBSD.org>
Date: Thu, 24 Apr 2003 18:50:30 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/alpha/alpha machdep.c src/sys/i386/i386
 machdep.c src/sys/ia64/ia64 machdep.c src/sys/kern kern_context.c
 kern_thread.c src/sys/pc98/i386 machdep.c src/sys/powerpc/powerpc
 machdep.c src/sys/sparc64/sparc64 machdep.c src/sys/sys ucontext.h
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deischen    2003/04/24 18:50:30 PDT

  FreeBSD src repository

  Modified files:
    sys/alpha/alpha      machdep.c 
    sys/i386/i386        machdep.c 
    sys/ia64/ia64        machdep.c 
    sys/kern             kern_context.c kern_thread.c 
    sys/pc98/i386        machdep.c 
    sys/powerpc/powerpc  machdep.c 
    sys/sparc64/sparc64  machdep.c 
    sys/sys              ucontext.h 
  Log:
  Add an argument to get_mcontext() which specified whether the
  syscall return values should be cleared.  The system calls
  getcontext() and swapcontext() want to return 0 on success
  but these contexts can be switched to at a later time so
  the return values need to be cleared in the saved register
  sets.  Other callers of get_mcontext() would normally want
  the context without clearing the return values.
  
  Remove the i386-specific context saving from the KSE code.
  get_mcontext() is not i386-specific any more.
  
  Fix a bad pointer in the alpha get_mcontext() code.  The
  context was being bcopy()'d from &td->tf_frame, but tf_frame
  is itself a pointer, so the thread was being copied instead.
  Spotted by jake.
  
  Glanced at by:  jake
  Reviewed by:    bde (months ago)
  
  Revision  Changes    Path
  1.201     +7 -3      src/sys/alpha/alpha/machdep.c
  1.563     +8 -3      src/sys/i386/i386/machdep.c
  1.129     +1 -1      src/sys/ia64/ia64/machdep.c
  1.5       +2 -2      src/sys/kern/kern_context.c
  1.124     +1 -15     src/sys/kern/kern_thread.c
  1.316     +8 -3      src/sys/pc98/i386/machdep.c
  1.53      +1 -1      src/sys/powerpc/powerpc/machdep.c
  1.90      +5 -1      src/sys/sparc64/sparc64/machdep.c
  1.10      +1 -1      src/sys/sys/ucontext.h