From f038dae646bac2b31be98ab592c0e5206d2d96f5 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Wed, 6 Nov 2013 19:49:01 +0000 Subject: libgo: Update to October 24 version of master library. From-SVN: r204466 --- libgo/go/sync/runtime.go | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'libgo/go/sync/runtime.go') diff --git a/libgo/go/sync/runtime.go b/libgo/go/sync/runtime.go index e99599c..3bf47ea 100644 --- a/libgo/go/sync/runtime.go +++ b/libgo/go/sync/runtime.go @@ -4,6 +4,8 @@ package sync +import "unsafe" + // defined in package runtime // Semacquire waits until *s > 0 and then atomically decrements it. @@ -16,3 +18,19 @@ func runtime_Semacquire(s *uint32) // 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)) +} -- cgit v1.1