diff options
Diffstat (limited to 'src/pkg/sync/atomic/doc.go')
| -rw-r--r-- | src/pkg/sync/atomic/doc.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/pkg/sync/atomic/doc.go b/src/pkg/sync/atomic/doc.go index b35eb539c..987f8c93d 100644 --- a/src/pkg/sync/atomic/doc.go +++ b/src/pkg/sync/atomic/doc.go @@ -22,6 +22,10 @@ // package atomic +import ( + "unsafe" +) + // BUG(rsc): On ARM, the 64-bit functions use instructions unavailable before ARM 11. // // On x86-32, the 64-bit functions use instructions unavailable before the Pentium. @@ -41,6 +45,9 @@ func CompareAndSwapUint64(val *uint64, old, new uint64) (swapped bool) // CompareAndSwapUintptr executes the compare-and-swap operation for a uintptr value. func CompareAndSwapUintptr(val *uintptr, old, new uintptr) (swapped bool) +// CompareAndSwapPointer executes the compare-and-swap operation for a unsafe.Pointer value. +func CompareAndSwapPointer(val *unsafe.Pointer, old, new unsafe.Pointer) (swapped bool) + // AddInt32 atomically adds delta to *val and returns the new value. func AddInt32(val *int32, delta int32) (new int32) @@ -62,6 +69,24 @@ func LoadInt32(addr *int32) (val int32) // LoadUint32 atomically loads *addr. func LoadUint32(addr *uint32) (val uint32) +// LoadUintptr atomically loads *addr. +func LoadUintptr(addr *uintptr) (val uintptr) + +// LoadPointer atomically loads *addr. +func LoadPointer(addr *unsafe.Pointer) (val unsafe.Pointer) + +// StoreInt32 atomically stores val into *addr. +func StoreInt32(addr *int32, val int32) + +// StoreUint32 atomically stores val into *addr. +func StoreUint32(addr *uint32, val uint32) + +// StoreUintptr atomically stores val into *addr. +func StoreUintptr(addr *uintptr, val uintptr) + +// StorePointer atomically stores val into *addr. +func StorePointer(addr *unsafe.Pointer, val unsafe.Pointer) + // Helper for ARM. Linker will discard on other systems func panic64() { panic("sync/atomic: broken 64-bit atomic operations (buggy QEMU)") |