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Handle SIGNINT (CTRL+C) #154

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Handle SIGNINT (CTRL+C) #154

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32 changes: 31 additions & 1 deletion Sources/PublishCLICore/WebsiteRunner.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -24,9 +24,39 @@ internal struct WebsiteRunner {
print("""
🌍 Starting web server at http://localhost:\(portNumber)

Press ENTER to stop the server and exit
Press CTRL+C to stop the server and exit
""")


signal(SIGINT, SIG_IGN)
let interruptSignalSource = DispatchSource.makeSignalSource(signal: SIGINT)
interruptSignalSource.setEventHandler {
// cancel the trap?
interruptSignalSource.cancel()

// terminate the server process
serverProcess.terminate()

// Install the default signal handler.
var action = sigaction()
#if canImport(Darwin) || os(OpenBSD)
action.__sigaction_u.__sa_handler = SIG_DFL
#elseif canImport(Musl)
action.__sa_handler.sa_handler = SIG_DFL
#elseif os(Android)
action.sa_handler = SIG_DFL
#else
action.__sigaction_handler = unsafeBitCast(
SIG_DFL,
to: sigaction.__Unnamed_union___sigaction_handler.self
)
#endif
sigaction(SIGINT, &action, nil)
kill(getpid(), SIGINT)
}

interruptSignalSource.resume()

serverQueue.async {
do {
_ = try shellOut(
Expand Down