cvs commit: src/sys/alpha/alpha machdep.c src/sys/amd64/amd64 machdep.c src/sys/amd64/ia32 ia32_signal.c src/sys/i386/i386 machdep.c src/sys/i386/linux linux_sysvec.c src/sys/ia64/ia64...

[David Xu]

davidxu     2004/01/02 18:02:26 PST

  FreeBSD src repository

  Modified files:
    sys/alpha/alpha      machdep.c 
    sys/amd64/amd64      machdep.c 
    sys/amd64/ia32       ia32_signal.c 
    sys/i386/i386        machdep.c 
    sys/i386/linux       linux_sysvec.c 
    sys/ia64/ia64        machdep.c 
    sys/kern             kern_fork.c kern_sig.c 
    sys/pc98/i386        machdep.c 
    sys/powerpc/powerpc  machdep.c 
    sys/sparc64/sparc64  machdep.c 
    sys/sys              proc.h 
  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.
  
  Reviewed by: deischen, dfr
  
  Revision  Changes    Path
  1.216     +22 -22    src/sys/alpha/alpha/machdep.c
  1.602     +8 -8      src/sys/amd64/amd64/machdep.c
  1.8       +12 -12    src/sys/amd64/ia32/ia32_signal.c
  1.585     +22 -22    src/sys/i386/i386/machdep.c
  1.129     +9 -9      src/sys/i386/linux/linux_sysvec.c
  1.175     +8 -8      src/sys/ia64/ia64/machdep.c
  1.209     +4 -1      src/sys/kern/kern_fork.c
  1.264     +28 -37    src/sys/kern/kern_sig.c
  1.332     +22 -22    src/sys/pc98/i386/machdep.c
  1.65      +5 -5      src/sys/powerpc/powerpc/machdep.c
  1.106     +5 -5      src/sys/sparc64/sparc64/machdep.c
  1.363     +3 -3      src/sys/sys/proc.h