runtime: convert lock*.c to Go
LGTM=r, iant
R=golang-codereviews, r, iant
CC=dvyukov, golang-codereviews, khr
https://golang.org/cl/139930043
diff --git a/src/pkg/runtime/stubs.go b/src/pkg/runtime/stubs.go
index 9e5a2cf..90d43ea 100644
--- a/src/pkg/runtime/stubs.go
+++ b/src/pkg/runtime/stubs.go
@@ -11,9 +11,7 @@
// Assembly implementations are in various files, see comments with
// each function.
-const (
- ptrSize = unsafe.Sizeof((*byte)(nil))
-)
+const ptrSize = 4 << (^uintptr(0) >> 63) // unsafe.Sizeof(uintptr(0)) but an ideal const
//go:noescape
func racereadpc(addr unsafe.Pointer, callpc, pc uintptr)
@@ -88,9 +86,7 @@
setgcpercent_m,
setmaxthreads_m,
ready_m,
- park_m,
- notewakeup_m,
- notetsleepg_m mFunction
+ park_m mFunction
)
func blockevent(int64, int32)
@@ -162,6 +158,8 @@
return unsafe.Pointer(x ^ 0)
}
+func entersyscall()
+func entersyscallblock()
func exitsyscall()
func goroutineheader(gp *g)
@@ -195,13 +193,6 @@
func cgocallback_gofunc(fv *funcval, frame unsafe.Pointer, framesize uintptr)
func persistentalloc(size, align uintptr, stat *uint64) unsafe.Pointer
func readgogc() int32
-func notetsleepg(n *note, ns int64)
-func notetsleep(n *note, ns int64)
-func notewakeup(n *note)
-func notesleep(n *note)
-func noteclear(n *note)
-func lock(lk *mutex)
-func unlock(lk *mutex)
func purgecachedstats(c *mcache)
func gostringnocopy(b *byte) string
@@ -245,6 +236,9 @@
func atomicstorep(ptr unsafe.Pointer, val unsafe.Pointer)
//go:noescape
+func atomicstoreuintptr(ptr *uintptr, new uintptr)
+
+//go:noescape
func atomicload(ptr *uint32) uint32
//go:noescape
@@ -254,6 +248,9 @@
func atomicloadp(ptr unsafe.Pointer) unsafe.Pointer
//go:noescape
+func atomicloaduintptr(ptr *uintptr) uintptr
+
+//go:noescape
func atomicor8(ptr *uint8, val uint8)
//go:noescape
