diff options
Diffstat (limited to 'src/pkg/sync/mutex.go')
| -rw-r--r-- | src/pkg/sync/mutex.go | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/src/pkg/sync/mutex.go b/src/pkg/sync/mutex.go index 4fc02743c..9494cc3f8 100644 --- a/src/pkg/sync/mutex.go +++ b/src/pkg/sync/mutex.go @@ -10,10 +10,7 @@ // Values containing the types defined in this package should not be copied. package sync -import ( - "runtime" - "sync/atomic" -) +import "sync/atomic" // A Mutex is a mutual exclusion lock. // Mutexes can be created as part of other structures; @@ -60,7 +57,7 @@ func (m *Mutex) Lock() { if old&mutexLocked == 0 { break } - runtime.Semacquire(&m.sema) + runtime_Semacquire(&m.sema) awoke = true } } @@ -89,7 +86,7 @@ func (m *Mutex) Unlock() { // Grab the right to wake someone. new = (old - 1<<mutexWaiterShift) | mutexWoken if atomic.CompareAndSwapInt32(&m.state, old, new) { - runtime.Semrelease(&m.sema) + runtime_Semrelease(&m.sema) return } old = m.state |