diff options
Diffstat (limited to 'libgo/go/sync/runtime.go')
| -rw-r--r-- | libgo/go/sync/runtime.go | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/libgo/go/sync/runtime.go b/libgo/go/sync/runtime.go index e99599c11ae..3bf47ea52aa 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)) +} |