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daemon: install master shutdown handlers without a separate forking process

This commit is contained in:
Andrew Dolgov 2013-02-25 21:32:48 +04:00
parent a44bfcfd52
commit 724b7942ed
1 changed files with 10 additions and 15 deletions
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25
update_daemon2.php
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@ -31,6 +31,8 @@
die("error: This script requires PHP compiled with PCNTL module.\n");
}
$master_handlers_installed = false;
$children = array();
$ctimes = array();
@ -121,21 +123,6 @@
"Maybe another daemon is already running.\n");
}
/* if (!pcntl_fork()) {
pcntl_signal(SIGINT, 'sigint_handler');
register_shutdown_function('shutdown');
// Try to lock a file in order to avoid concurrent update.
$lock_handle = make_lockfile("update_daemon.lock");
if (!$lock_handle) {
die("error: Can't create lockfile. ".
"Maybe another daemon is already running.\n");
}
while (true) { sleep(100); }
} */
// Testing database connection.
// It is unnecessary to start the fork loop if database is not ok.
$link = db_connect(DB_HOST, DB_USER, DB_PASS, DB_NAME);
@ -165,6 +152,14 @@
if ($pid == -1) {
die("fork failed!\n");
} else if ($pid) {
if (!$master_handlers_installed) {
_debug("[MASTER] installing shutdown handlers");
pcntl_signal(SIGINT, 'sigint_handler');
register_shutdown_function('shutdown');
$master_handlers_installed = true;
}
_debug("[MASTER] spawned client $j [PID:$pid]...");
array_push($children, $pid);
$ctimes[$pid] = time();