cvs commit: src/sys/sys umtx.h src/sys/kern kern_umtx.c

[David Xu]

davidxu     2004-12-24 11:30:55 UTC

  FreeBSD src repository

  Modified files:
    sys/sys              umtx.h 
    sys/kern             kern_umtx.c 
  Log:
  1. Fix race condition between umtx lock and unlock, heavy testing
     on SMP can explore the bug.
  2. Let umtx_wake returns number of threads have been woken.
  
  Revision  Changes    Path
  1.21      +104 -133  src/sys/kern/kern_umtx.c
  1.6       +3 -4      src/sys/sys/umtx.h