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Graceful shutdown on SIGTERM. #120

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merged 1 commit into from
May 3, 2024
Merged

Graceful shutdown on SIGTERM. #120

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12 changes: 12 additions & 0 deletions src/server.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,16 @@ private func redirectStderr() {
}
}

private func signalHandler(signal: Int32) {
// The signal can be raised on any thread. So we must make sure it's
// routed back to the main thread.
DispatchQueue.main.async {
if signal == SIGTERM {
NSApplication.shared.terminate(nil)
}
}
}

@main
class AppDelegate: NSObject, NSApplicationDelegate {
static var server = IMKServer()
Expand All @@ -33,6 +43,8 @@ class AppDelegate: NSObject, NSApplicationDelegate {
func applicationDidFinishLaunching(_ notification: Notification) {
redirectStderr()

signal(SIGTERM, signalHandler)

AppDelegate.server = IMKServer(
name: Bundle.main.infoDictionary?["InputMethodConnectionName"] as? String,
bundleIdentifier: Bundle.main.bundleIdentifier)
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