s3-prefork: Add common utilities for daemons

Daemons using the prefork infrastructure may want to use these utils to
configure and manage a pool of children.

Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Simo Sorce <idra@samba.org>

1 files changed, 49 insertions, 0 deletions

diff --git a/source3/lib/server_prefork_util.h b/source3/lib/server_prefork_util.h
new file mode 100644
index 0000000000..5715f06f4a
--- /dev/null
+++ b/source3/lib/server_prefork_util.h
@@ -0,0 +1,49 @@
+/*
+   Unix SMB/CIFS implementation.
+   Prefork Helpers.
+
+   Copyright (C) Simo Sorce <idra@samba.org> 2011
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _SERVER_PREFORK_UTIL_H_
+#define _SERVER_PREFORK_UTIL_H_
+
+struct tevent_context;
+struct messaging_context;
+
+#define PFH_INIT	0x00
+#define PFH_NEW_MAX	0x01
+#define PFH_ENOSPC	0x02
+
+struct pf_daemon_config {
+	int prefork_status;
+	int min_children;
+	int max_children;
+	int spawn_rate;
+	int max_allowed_clients;
+	int child_min_life;
+};
+
+void pfh_daemon_config(const char *daemon_name,
+			struct pf_daemon_config *cfg,
+			struct pf_daemon_config *default_cfg);
+
+void pfh_manage_pool(struct tevent_context *ev_ctx,
+		     struct messaging_context *msg_ctx,
+		     struct pf_daemon_config *cfg,
+		     struct prefork_pool *pool);
+
+#endif /* _SERVER_PREFORK_UTIL_H_ */