update_daemon2: check for dead children before spawning
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@ -42,11 +42,7 @@
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$last_checkpoint = -1;
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function sigalrm_handler() {
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die("received SIGALRM, hang in feed update?\n");
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}
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function sigchld_handler($signal) {
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function reap_children() {
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global $children;
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$tmp = array();
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@ -61,9 +57,18 @@
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$children = $tmp;
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$running_jobs = count($children);
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return count($tmp);
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}
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function sigalrm_handler() {
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die("received SIGALRM, hang in feed update?\n");
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}
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function sigchld_handler($signal) {
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$running_jobs = reap_children();
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_debug("[SIGCHLD] jobs left: $running_jobs");
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pcntl_waitpid(-1, $status, WNOHANG);
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}
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@ -123,6 +128,8 @@
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if ($last_checkpoint + SPAWN_INTERVAL < time()) {
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reap_children();
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for ($j = count($children); $j < MAX_JOBS; $j++) {
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$pid = pcntl_fork();
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if ($pid == -1) {
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