1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
8 "runtime/internal/atomic"
9 _ "unsafe" // for go:linkname
12 //go:generate go run wincallback.go
13 //go:generate go run mkduff.go
14 //go:generate go run mkfastlog2table.go
15 //go:generate go run mklockrank.go -o lockrank.go
19 type ticksType struct {
24 // Note: Called by runtime/pprof in addition to runtime code.
25 func tickspersecond() int64 {
41 r = (c1 - c0) * 1000 * 1000 * 1000 / (t1 - t0)
54 //go:linkname syscall_runtime_envs syscall.runtime_envs
55 func syscall_runtime_envs() []string { return append([]string{}, envs...) }
57 //go:linkname syscall_Getpagesize syscall.Getpagesize
58 func syscall_Getpagesize() int { return int(physPageSize) }
60 //go:linkname os_runtime_args os.runtime_args
61 func os_runtime_args() []string { return append([]string{}, argslice...) }
63 //go:linkname syscall_Exit syscall.Exit
65 func syscall_Exit(code int) {
69 var godebugenv atomic.Pointer[string] // set by parsedebugvars
71 //go:linkname godebug_getGODEBUG internal/godebug.getGODEBUG
72 func godebug_getGODEBUG() string {
73 if p := godebugenv.Load(); p != nil {
79 //go:linkname syscall_runtimeSetenv syscall.runtimeSetenv
80 func syscall_runtimeSetenv(key, value string) {
89 //go:linkname syscall_runtimeUnsetenv syscall.runtimeUnsetenv
90 func syscall_runtimeUnsetenv(key string) {