go signal_unix 源码
golang signal_unix 代码
文件路径：/src/os/signal/signal_unix.go
// Copyright 2012 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 unix || (js && wasm) || windows
package signal
import (
"os"
"syscall"
)
// Defined by the runtime package.
func signal_disable(uint32)
func signal_enable(uint32)
func signal_ignore(uint32)
func signal_ignored(uint32) bool
func signal_recv() uint32
func loop() {
for {
process(syscall.Signal(signal_recv()))
}
}
func init() {
watchSignalLoop = loop
}
const (
numSig = 65 // max across all systems
)
func signum(sig os.Signal) int {
switch sig := sig.(type) {
case syscall.Signal:
i := int(sig)
if i < 0 || i >= numSig {
return -1
}
return i
default:
return -1
}
}
func enableSignal(sig int) {
signal_enable(uint32(sig))
}
func disableSignal(sig int) {
signal_disable(uint32(sig))
}
func ignoreSignal(sig int) {
signal_ignore(uint32(sig))
}
func signalIgnored(sig int) bool {
return signal_ignored(uint32(sig))
}
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