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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/libgo/go/sync/runtime.go | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/libgo/go/sync/runtime.go')
-rw-r--r-- | gcc-4.9/libgo/go/sync/runtime.go | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/libgo/go/sync/runtime.go b/gcc-4.9/libgo/go/sync/runtime.go new file mode 100644 index 000000000..3bf47ea52 --- /dev/null +++ b/gcc-4.9/libgo/go/sync/runtime.go @@ -0,0 +1,36 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package sync + +import "unsafe" + +// defined in package runtime + +// Semacquire waits until *s > 0 and then atomically decrements it. +// It is intended as a simple sleep primitive for use by the synchronization +// library and should not be used directly. +func runtime_Semacquire(s *uint32) + +// Semrelease atomically increments *s and notifies a waiting goroutine +// if one is blocked in Semacquire. +// It is intended as a simple wakeup primitive for use by the synchronization +// library and should not be used directly. +func runtime_Semrelease(s *uint32) + +// Opaque representation of SyncSema in runtime/sema.goc. +type syncSema [3]uintptr + +// Syncsemacquire waits for a pairing Syncsemrelease on the same semaphore s. +func runtime_Syncsemacquire(s *syncSema) + +// Syncsemrelease waits for n pairing Syncsemacquire on the same semaphore s. +func runtime_Syncsemrelease(s *syncSema, n uint32) + +// Ensure that sync and runtime agree on size of syncSema. +func runtime_Syncsemcheck(size uintptr) +func init() { + var s syncSema + runtime_Syncsemcheck(unsafe.Sizeof(s)) +} |