BUG/MEDIUM: mworker: don't reuse PIDs passed to the master

When starting the master worker with -sf or -st, the PIDs will be reused
on the next reload, which is a problem if new processes on the system
took those PIDs.

This patch ensures that we don't register old PIDs in the reload system
when launching the master worker.

diff --git a/src/haproxy.c b/src/haproxy.c
index cdb6066b5a9d42a2d5b916ccdc8eb7d65d8aedc6..a42574433411f88f7c8d256114256baf15265740 100644 (file)
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -2444,6 +2444,13 @@ int main(int argc, char **argv)
        if (nb_oldpids)
                nb_oldpids = tell_old_pids(oldpids_sig);
 
+       if ((getenv("HAPROXY_MWORKER_REEXEC") == NULL)) {
+               nb_oldpids = 0;
+               free(oldpids);
+               oldpids = NULL;
+       }
+
+
        /* Note that any error at this stage will be fatal because we will not
         * be able to restart the old pids.
         */