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fix #1496

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This commit is contained in:
jygaulier
2013-10-14 16:58:32 +02:00
parent cafb588e8d
commit f32d561c98
2 changed files with 57 additions and 25 deletions
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75
lib/classes/task/Scheduler.php
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@@ -34,11 +34,15 @@ class task_Scheduler
private $method;
private $dependencyContainer;
private $schedstatus;
public function __construct(Application $application, Logger $logger)
{
declare(ticks = 1);
$this->dependencyContainer = $application;
$this->logger = $logger;
$this->schedstatus = '';
}
protected function log($message)
@@ -54,10 +58,21 @@ class task_Scheduler
*/
public function sigHandler($signal)
{
$status = null;
$pid = pcntl_wait($status);
$exitstatus = pcntl_wexitstatus($status);
$this->log(sprintf("sigchild %s received from pid=%s, status=%s, exitstatus=%s\n", $signal, $pid, var_export($status, true), $exitstatus));
switch ($signal) {
case SIGCHLD:
$status = null;
$pid = pcntl_wait($status);
$exitstatus = pcntl_wexitstatus($status);
$this->log(sprintf("SIGCHLD (%s) received from pid=%s, status=%s, exitstatus=%s", $signal, $pid, var_export($status, true), $exitstatus));
break;
case SIGINT: // ctrl C
$this->log(sprintf("SIGINT (%s) Ctrl-C received, schedstatus='tostop'", $signal));
$this->schedstatus = 'tostop';
break;
case SIGTERM:
$this->log(sprintf("SIGTERM (%s) received but ignored, http timeout ?", $signal));
break;
}
}
public function run()
@@ -87,6 +102,8 @@ class task_Scheduler
// pcntl_signal(SIGCHLD, SIG_IGN); // no zombies but no returnValue
// pcntl_signal(SIGCHLD, SIG_DFL); // with "declare(ticks=1)" returnValue ok but zombies
pcntl_signal(SIGCHLD, array($this, 'sigHandler')); // ok
pcntl_signal(SIGINT, array($this, 'sigHandler'));
pcntl_signal(SIGTERM, array($this, 'sigHandler'));
$this->method = self::METHOD_FORK;
}
@@ -147,11 +164,11 @@ class task_Scheduler
}
}
$schedstatus = 'started';
$this->schedstatus = 'started';
$runningtask = 0;
$connwaslost = false;
while ($schedstatus == 'started' || $runningtask > 0) {
while ($this->schedstatus == 'started' || $runningtask > 0) {
while (1) {
try {
assert(is_object($conn));
@@ -189,23 +206,25 @@ class task_Scheduler
$connwaslost = false;
}
$schedstatus = '';
$row = NULL;
try {
$sql = "SELECT schedstatus FROM sitepreff";
$stmt = $conn->prepare($sql);
$stmt->execute();
$row = $stmt->fetch(PDO::FETCH_ASSOC);
$stmt->closeCursor();
} catch (ErrorException $e) {
continue;
if ($this->schedstatus == "started") {
$this->schedstatus = '';
$row = NULL;
try {
$sql = "SELECT schedstatus FROM sitepreff";
$stmt = $conn->prepare($sql);
$stmt->execute();
$row = $stmt->fetch(PDO::FETCH_ASSOC);
$stmt->closeCursor();
} catch (ErrorException $e) {
continue;
}
if ($row) {
$this->schedstatus = $row["schedstatus"];
}
}
if ($row) {
$schedstatus = $row["schedstatus"];
}
if ($schedstatus == 'tostop') {
if ($this->schedstatus == 'tostop') {
$sql = 'UPDATE sitepreff SET schedstatus = "stopping"';
$stmt = $conn->prepare($sql);
$stmt->execute();
@@ -327,7 +346,7 @@ class task_Scheduler
}
}
if ($schedstatus == 'started') {
if ($this->schedstatus == 'started') {
$taskPoll[$tkey]["task"]->setState(task_abstract::STATE_TOSTART);
}
// trick to start the task immediatly : DON'T break if ending with 'tostart'
@@ -338,7 +357,7 @@ class task_Scheduler
case task_abstract::STATE_TOSTART:
// if scheduler is 'tostop', don't launch a new task !
if ($schedstatus != 'started') {
if ($this->schedstatus != 'started') {
break;
}
@@ -567,10 +586,16 @@ class task_Scheduler
break;
}
}
for ($i = 0; $i < $sleeptime; $i ++) {
if(function_exists('pcntl_sigprocmask')) {
@pcntl_sigprocmask(SIG_BLOCK, array(SIGCHLD));
}
sleep(1);
for ($i = 0; $this->schedstatus=='started' && $i < $sleeptime; $i++) {
sleep(1);
}
if(function_exists('pcntl_sigprocmask')) {
@pcntl_sigprocmask(SIG_UNBLOCK, array(SIGCHLD));
}
}
$sql = "UPDATE sitepreff SET schedstatus='stopped', schedpid='0'";