Enumerate signals

.github/workflows/ci.yml

@@ -7,21 +7,21 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       - name: Cache Composer dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: /tmp/composer-cache
           key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
 
-      - uses: php-actions/composer@v5
+      - uses: php-actions/composer@v6
 
       - name: Archive build
         run: mkdir /tmp/github-actions/ && tar -cvf /tmp/github-actions/build.tar ./
 
       - name: Upload build archive for test runners
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v3
         with:
           name: build-artifact
           path: /tmp/github-actions
@@ -31,7 +31,7 @@ jobs:
     needs: [composer]
 
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
         with:
           name: build-artifact
           path: /tmp/github-actions
@@ -40,10 +40,10 @@ jobs:
         run: tar -xvf /tmp/github-actions/build.tar ./
 
       - name: PHP Unit tests
-        uses: php-actions/phpunit@v2
+        uses: php-actions/phpunit@v3
         with:
-          php_version: 8.0
-          php_extensions: xdebug
+          php_version: 8.1
+          php_extensions: xdebug pcntl
           configuration: test/phpunit/phpunit.xml
           bootstrap: vendor/autoload.php
 
@@ -52,7 +52,7 @@ jobs:
     needs: [composer]
 
     steps:
-      - uses: actions/download-artifact@v2
+      - uses: actions/download-artifact@v3
         with:
           name: build-artifact
           path: /tmp/github-actions
@@ -61,6 +61,6 @@ jobs:
         run: tar -xvf /tmp/github-actions/build.tar ./
 
       - name: PHP Static Analysis
-        uses: php-actions/phpstan@v2
+        uses: php-actions/phpstan@v3
         with:
-          path: src/
+          path: src/

.scrutinizer.yml

@@ -1,6 +1,6 @@
 build:
   environment:
-    php: 8.0.0
+    php: 8.1.0
 
   nodes:
     analysis:
@@ -29,4 +29,4 @@ checks:
 filter:
   excluded_paths:
     - test/*
-    - vendor/*
+    - vendor/*

composer.json

@@ -3,7 +3,8 @@
 	"description": "Background script execution with cross-platform compatible streaming.",
 
 	"require": {
-		"php": ">=7.4"
+		"php": ">=7.4",
+		"ext-pcntl": "*"
 	},
 	"require-dev": {
 		"phpstan/phpstan": "^v1.8",

src/Process.php

@@ -135,7 +135,7 @@ public function getPid():?int {
 	}
 
 	/** Closes the thread and the streams then returns the return code of the command. */
-	public function terminate(int $signal = 15):void {
+	public function terminate(int $signal = Signal::TERM):void {
 		if(!is_resource($this->process)) {
 			return;
 		}

src/Signal.php

@@ -0,0 +1,42 @@
+<?php
+namespace Gt\Daemon;
+
+/**
+ * Enumerator for POSIX signals
+ * @see https://en.wikipedia.org/wiki/Signal_(IPC)#POSIX_signals
+ */
+class Signal {
+	const ABRT = SIGABRT;
+	const ALRM = SIGALRM;
+	const BABY = SIGBABY;
+	const BUS = SIGBUS;
+	const CHLD = SIGCHLD;
+	const CLD = SIGCLD;
+	const CONT = SIGCONT;
+	const FPE = SIGFPE;
+	const HUP = SIGHUP;
+	const ILL = SIGILL;
+	const INT = SIGINT;
+	const IO = SIGIO;
+	const IOT = SIGIOT;
+	const KILL = SIGKILL;
+	const PIPE = SIGPIPE;
+	const POLL = SIGPOLL;
+	const PWR = SIGPWR;
+	const QUIT = SIGQUIT;
+	const URG = SIGURG;
+	const USR1 = SIGUSR1;
+	const USR2 = SIGUSR2;
+	const SEGV = SIGSEGV;
+	const STKFLT = SIGSTKFLT;
+	const STOP = SIGSTOP;
+	const SYS = SIGSYS;
+	const TSTP = SIGTSTP;
+	const TERM = SIGTERM;
+	const TTIN = SIGTTIN;
+	const TTOU = SIGTTOU;
+	const TRAP = SIGTRAP;
+	const WINCH = SIGWINCH;
+	const XCPU = SIGXCPU;
+	const XFSZ = SIGXFSZ;
+}