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a2baae6851
For #20322 For #51572 Change-Id: Id0b4799d097d01128e98ba4cc0092298357bca45 Reviewed-on: https://go-review.googlesource.com/c/go/+/389935 Trust: Ian Lance Taylor <iant@golang.org> Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
62 lines
1,023 B
Go
62 lines
1,023 B
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build unix || (js && wasm) || windows
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package signal
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import (
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"os"
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"syscall"
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)
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// Defined by the runtime package.
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func signal_disable(uint32)
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func signal_enable(uint32)
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func signal_ignore(uint32)
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func signal_ignored(uint32) bool
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func signal_recv() uint32
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func loop() {
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for {
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process(syscall.Signal(signal_recv()))
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}
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}
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func init() {
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watchSignalLoop = loop
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}
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const (
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numSig = 65 // max across all systems
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)
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func signum(sig os.Signal) int {
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switch sig := sig.(type) {
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case syscall.Signal:
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i := int(sig)
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if i < 0 || i >= numSig {
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return -1
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}
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return i
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default:
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return -1
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}
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}
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func enableSignal(sig int) {
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signal_enable(uint32(sig))
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}
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func disableSignal(sig int) {
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signal_disable(uint32(sig))
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}
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func ignoreSignal(sig int) {
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signal_ignore(uint32(sig))
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}
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func signalIgnored(sig int) bool {
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return signal_ignored(uint32(sig))
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}
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