diff options
Diffstat (limited to 'libgo/go/runtime')
| -rw-r--r-- | libgo/go/runtime/chan_test.go | 9 | ||||
| -rw-r--r-- | libgo/go/runtime/debug.go | 3 | ||||
| -rw-r--r-- | libgo/go/runtime/extern.go | 3 |
3 files changed, 12 insertions, 3 deletions
diff --git a/libgo/go/runtime/chan_test.go b/libgo/go/runtime/chan_test.go index 7cea906..eb2c7c6 100644 --- a/libgo/go/runtime/chan_test.go +++ b/libgo/go/runtime/chan_test.go @@ -371,3 +371,12 @@ func BenchmarkChanCreation(b *testing.B) { <-c } } + +func BenchmarkChanSem(b *testing.B) { + type Empty struct{} + c := make(chan Empty, 1) + for i := 0; i < b.N; i++ { + c <- Empty{} + <-c + } +} diff --git a/libgo/go/runtime/debug.go b/libgo/go/runtime/debug.go index c2b9056..4f09146 100644 --- a/libgo/go/runtime/debug.go +++ b/libgo/go/runtime/debug.go @@ -23,6 +23,9 @@ func UnlockOSThread() // This call will go away when the scheduler improves. func GOMAXPROCS(n int) int +// NumCPU returns the number of logical CPUs on the local machine. +func NumCPU() int + // Cgocalls returns the number of cgo calls made by the current process. func Cgocalls() int64 diff --git a/libgo/go/runtime/extern.go b/libgo/go/runtime/extern.go index 88598cb..eafa2f1 100644 --- a/libgo/go/runtime/extern.go +++ b/libgo/go/runtime/extern.go @@ -68,9 +68,6 @@ func funcline_go(*Func, uintptr) (string, int) // mid returns the current os thread (m) id. func mid() uint32 -// NumCPU returns the number of logical CPUs on the local machine. -func NumCPU() int - // 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. |