\ntest_lock.php:<\/p>\n
<?php
\nerror_reporting(E_ALL);
\n$f = array();
\n$f[0] = null;
\n$f[] = fopen(“lock_1”, “r+”);
\n$f[] = fopen(“lock_2”, “r+”);
\n
\nif(@intval($_SERVER[‘argv’][1]) >= 2){
\n\t$task = array(2, 1);
\n}else{
\n\t$task = array(1 ,2);
\n}
\n
\nforeach($task as $n){
\necho “Locking $n … “;
\n
\necho flock($f[$n], LOCK_EX, $t=true)? “OK”: “Fail”;
\necho “\\n”;
\necho “waiting some seconds…”;
\nsleep (5);
\necho “OK\\n”;
\n}
\necho “Finished!\\n”;\n<\/p><\/blockquote>\n\u5b9f\u884c:\n<\/p>\n
$ php test_lock.php &
\n$ php test_lock.php 2 &\n<\/p><\/blockquote>\n
\n\u3072\u3068\u3064\u306e\u307f\u8d77\u52d5\u3057\u305f\u5834\u5408 Finished! \u3068\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u4e0a\u306e\u3088\u3046\u306b\u4e26\u5217\u3067\u5b9f\u884c\u3057\u305f\u5834\u5408\u306f\u6b63\u3057\u304f\u52d5\u4f5c\u3057\u306a\u304f\u306a\u308a\u307e\u3059\u3002
\n
\n\u624b\u5143\u306e\u74b0\u5883\u3067\u306f FreeBSD 6.2 \u3068 Windows XP SP2 \u306e\u5834\u5408\u306f\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u3057\u3066\u56fa\u307e\u308a\u3001Linux 2.4.21-50.ELsmp \u306e\u5834\u5408\u306f 2\u756a\u76ee\u306e\u30ed\u30c3\u30af\u306b fail \u3057\u3001\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002
\n
\n\u53c2\u8003:
\n– flock \u306e\u30e2\u30fc\u30c9\u5207\u66ff\u3048\u6642\u306e\u6319\u52d5\u306f\u74b0\u5883\u306b\u3088\u3063\u3066\u7570\u306a\u308b[2008-01-08-1]<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"