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core: make smart-attach-daemon smart enough

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Avoid call storming of pidfile check that leads to multiple daemons
running instead of one. Fix #65.
This commit is contained in:
unbit
2012-11-28 20:57:06 +01:00
committed by toret
parent 9f396466bd
commit 25b29df65e
1 changed files with 12 additions and 2 deletions
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core/daemons.c
+12 -2
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@@ -30,6 +30,16 @@ extern struct uwsgi_server uwsgi;
*/
void uwsgi_daemons_smart_check() {
static time_t last_run = 0;
time_t now = uwsgi_now();
if (now - last_run <= 0) {
return;
}
last_run = now;
struct uwsgi_daemon *ud = uwsgi.daemons;
while (ud) {
if (ud->pidfile) {
@@ -41,14 +51,14 @@ void uwsgi_daemons_smart_check() {
}
else {
ud->pidfile_checks++;
if (ud->pidfile_checks >= (uint64_t) ud->freq) {
if (ud->pidfile_checks >= (unsigned int) ud->freq) {
uwsgi_log("[uwsgi-daemons] found changed pidfile for \"%s\" (old_pid: %d new_pid: %d)\n", ud->command, (int) ud->pid, (int) checked_pid);
uwsgi_spawn_daemon(ud);
}
}
}
else if (checked_pid != ud->pid) {
uwsgi_log("[uwsgi-daemons] found changed pidfile for \"%s\" (old_pid: %d new_pid: %d)\n", ud->command, (int) ud->pid, (int) checked_pid);
uwsgi_log("[uwsgi-daemons] found changed pid for \"%s\" (old_pid: %d new_pid: %d)\n", ud->command, (int) ud->pid, (int) checked_pid);
ud->pid = checked_pid;
}
// all ok, pidfile and process found