go os_linux_mipsx 源码
golang os_linux_mipsx 代码
文件路径：/src/runtime/os_linux_mipsx.go
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build linux && (mips || mipsle)
package runtime
func archauxv(tag, val uintptr) {
}
func osArchInit() {}
//go:nosplit
func cputicks() int64 {
// Currently cputicks() is used in blocking profiler and to seed fastrand().
// nanotime() is a poor approximation of CPU ticks that is enough for the profiler.
return nanotime()
}
const (
_SS_DISABLE = 2
_NSIG = 128 + 1
_SI_USER = 0
_SIG_BLOCK = 1
_SIG_UNBLOCK = 2
_SIG_SETMASK = 3
)
type sigset [4]uint32
var sigset_all = sigset{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)}
//go:nosplit
//go:nowritebarrierrec
func sigaddset(mask *sigset, i int) {
(*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
}
func sigdelset(mask *sigset, i int) {
(*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
}
//go:nosplit
func sigfillset(mask *[4]uint32) {
(*mask)[0], (*mask)[1], (*mask)[2], (*mask)[3] = ^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)
}
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