libgo/go/sync/runtime.go

   1 // Copyright 2012 The Go Authors.  All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package sync
   6
   7 // defined in package runtime
   8
   9 // Semacquire waits until *s > 0 and then atomically decrements it.
  10 // It is intended as a simple sleep primitive for use by the synchronization
  11 // library and should not be used directly.
  12 func runtime_Semacquire(s *uint32)
  13
  14 // Semrelease atomically increments *s and notifies a waiting goroutine
  15 // if one is blocked in Semacquire.
  16 // It is intended as a simple wakeup primitive for use by the synchronization
  17 // library and should not be used directly.
  18 func runtime_Semrelease(s *uint32)