cvs commit: src/sys/kern kern_umtx.c

[Jeff Roberson]

jeff        2007-06-04 23:54:50 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             kern_umtx.c 
  Log:
  Commit 8/14 of sched_lock decomposition.
   - Use a global umtx spinlock to protect the sleep queues now that there
     is no global scheduler lock.
   - Use thread_lock() to protect thread state.
  
  Tested by:      kris, current@
  Tested on:      i386, amd64, ULE, 4BSD, libthr, libkse, PREEMPTION, etc.
  Discussed with: kris, attilio, kmacy, jhb, julian, bde (small parts each)
  
  Revision  Changes    Path
  1.60      +52 -33    src/sys/kern/kern_umtx.c