Added pre-defined exit codes

README.md

@@ -12,15 +12,16 @@ composer require jbzoo/cli
 ```
 
 
-### Usage
-
-```php
-use JBZoo\SkeletonPhp\Cli;
-
-// Just use it!
-$object = new Cli();
-$object->doSomeStreetMagic(':)');
-```
+### See also
+
+ * https://github.com/kevinlebrun/colors.php
+ * https://packagist.org/packages/php-school/cli-menu
+ * https://github.com/nunomaduro/collision
+ * https://packagist.org/packages/splitbrain/php-cli
+ * https://github.com/php-school/terminal
+ * https://github.com/hoaproject/Console
+ * https://github.com/thephpleague/climate
+ * https://tldp.org/LDP/abs/html/exitcodes.html
 
 
 ## Unit tests and check code style

src/Codes.php

@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * JBZoo Toolbox - Cli
+ *
+ * This file is part of the JBZoo Toolbox project.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @package    Cli
+ * @license    MIT
+ * @copyright  Copyright (C) JBZoo.com, All rights reserved.
+ * @link       https://github.com/JBZoo/Cli
+ */
+
+declare(strict_types=1);
+
+namespace JBZoo\Cli;
+
+/**
+ * Class Codes
+ * @package JBZoo\Cli
+ */
+class Codes
+{
+    // General codes
+    public const OK                       = 0;
+    public const GENERAL_ERROR            = 1;
+    public const MISUSE_OF_SHELL_BUILTINS = 2;
+
+    // Error types
+    public const INVOKED_COMMAND_CANNOT_EXECUTE = 126;
+    public const COMMAND_NOT_FOUND              = 127;
+    public const INVALID_EXIT_ARGUMENT          = 128;
+
+    // Signals
+    public const HANGUP                                         = 129;
+    public const INTERRUPT                                      = 130;
+    public const QUIT_AND_DUMP_CORE                             = 131;
+    public const ILLEGAL_INSTRUCTION                            = 132;
+    public const TRACE_TRAP                                     = 133;
+    public const BREAKPOINT_TRAP                                = 133;
+    public const PROCESS_ABORTED                                = 134;
+    public const ACCESS_TO_UNDEFINED_PORTION_OF_MEMORY_OBJECT   = 135;
+    public const FLOATING_POINT_EXCEPTION                       = 136;
+    public const ERRONEOUS_ARITHMETIC_OPERATION                 = 136;
+    public const KILLED                                         = 137;
+    public const TERMINATE_IMMEDIATELY                          = 137;
+    public const SEGMENTATION_VIOLATION                         = 139;
+    public const WRITE_TO_PIPE_WITH_NO_ONE_READING              = 141;
+    public const SIGNAL_RAISED_BY_ALARM                         = 142;
+    public const TERMINATION                                    = 143;
+    public const CHILD_PROCESS_TERMINATED                       = 145;
+    public const CONTINUE_IF_STOPPED                            = 146;
+    public const STOP_EXECUTING_TEMPORARILY                     = 147;
+    public const TERMINAL_STOP_SIGNAL                           = 148;
+    public const BACKGROUND_PROCESS_ATTEMPTING_TO_READ_FROM_TTY = 149;
+    public const BACKGROUND_PROCESS_ATTEMPTING_TO_WRITE_TO_TTY  = 150;
+    public const URGENT_DATA_AVAILABLE_ON_SOCKET                = 151;
+    public const CPU_TIME_LIMIT_EXCEEDED                        = 152;
+    public const FILE_SIZE_LIMIT_EXCEEDED                       = 153;
+    public const SIGNAL_RAISED_BY_TIMER_COUNTING_VIRTUAL_TIME   = 154;
+    public const VIRTUAL_TIMER_EXPIRED                          = 154;
+    public const PROFILING_TIMER_EXPIRED                        = 155;
+    public const POLLABLE_EVENT                                 = 157;
+    public const BAD_SYSCALL                                    = 159;
+
+    // See also: ./symfony/process/Process.php
+}