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Support for monitoring forking services/sysv daemons

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2020-02-26 14:10:47 +01:00
parent f6372de6a9
commit decdc1560a
5 changed files with 55 additions and 9 deletions
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plugins/pidfile.c
+10
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@@ -29,6 +29,7 @@
#include "finit.h"
#include "cond.h"
#include "helpers.h"
#include "pid.h"
#include "plugin.h"
#include "service.h"
@@ -66,6 +67,15 @@ static void pidfile_callback(void *arg, int fd, int events)
mkcond(cond, sizeof(cond), svc->cmd);
if (ev->mask & (IN_CREATE | IN_ATTRIB | IN_MODIFY | IN_MOVED_TO)) {
svc_started(svc);
if (svc_is_forking(svc)) {
pid_t pid;
pid = pid_file_read(pid_file(svc));
_d("Forking service %s changed PID from %d to %d",
svc->cmd, svc->pid, pid);
svc->pid = pid;
}
cond_set(cond);
} else if (ev->mask & IN_DELETE)
cond_clear(cond);