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update_daemon2: make proper lockfile

This commit is contained in:
Andrew Dolgov 2008-01-23 10:30:55 +01:00
parent b7ff666fe8
commit 6a69e61ffb
1 changed files with 16 additions and 1 deletions
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17
update_daemon2.php
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@ -7,7 +7,8 @@
declare(ticks = 1); declare(ticks = 1);
require "config.php"; require_once "config.php";
require_once "functions.php";
define('MAX_JOBS', 2); define('MAX_JOBS', 2);
define('CLIENT_PROCESS', './update_daemon2_client.php SRV_RUN_OK'); define('CLIENT_PROCESS', './update_daemon2_client.php SRV_RUN_OK');
@ -23,7 +24,20 @@
pcntl_waitpid(-1, $status, WNOHANG); pcntl_waitpid(-1, $status, WNOHANG);
} }
function sigint_handler() {
unlink(LOCK_DIRECTORY . "/update_daemon.lock");
die("Received SIGINT. Exiting.\n");
}
pcntl_signal(SIGCHLD, 'sigchld_handler'); pcntl_signal(SIGCHLD, 'sigchld_handler');
pcntl_signal(SIGINT, 'sigint_handler');
$lock_handle = make_lockfile("update_daemon.lock");
if (!$lock_handle) {
die("error: Can't create lockfile ($lock_filename). ".
"Maybe another daemon is already running.\n");
}
while (true) { while (true) {
@ -43,6 +57,7 @@
print "OK [$running_jobs]\n"; print "OK [$running_jobs]\n";
} else { } else {
pcntl_signal(SIGCHLD, SIG_IGN); pcntl_signal(SIGCHLD, SIG_IGN);
pcntl_signal(SIGINT, SIG_DFL);
passthru(CLIENT_PROCESS); passthru(CLIENT_PROCESS);
exit(0); exit(0);
} }