diff options
Diffstat (limited to 'libgo/go/sync/mutex.go')
| -rw-r--r-- | libgo/go/sync/mutex.go | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libgo/go/sync/mutex.go b/libgo/go/sync/mutex.go index 90892793f0a..8c9366f4fe1 100644 --- a/libgo/go/sync/mutex.go +++ b/libgo/go/sync/mutex.go @@ -16,6 +16,8 @@ import ( "unsafe" ) +func throw(string) // provided by runtime + // A Mutex is a mutual exclusion lock. // Mutexes can be created as part of other structures; // the zero value for a Mutex is an unlocked mutex. @@ -74,7 +76,7 @@ func (m *Mutex) Lock() { // The goroutine has been woken from sleep, // so we need to reset the flag in either case. if new&mutexWoken == 0 { - panic("sync: inconsistent mutex state") + throw("sync: inconsistent mutex state") } new &^= mutexWoken } @@ -82,7 +84,7 @@ func (m *Mutex) Lock() { if old&mutexLocked == 0 { break } - runtime_Semacquire(&m.sema) + runtime_SemacquireMutex(&m.sema) awoke = true iter = 0 } @@ -108,7 +110,7 @@ func (m *Mutex) Unlock() { // Fast path: drop lock bit. new := atomic.AddInt32(&m.state, -mutexLocked) if (new+mutexLocked)&mutexLocked == 0 { - panic("sync: unlock of unlocked mutex") + throw("sync: unlock of unlocked mutex") } old := new |