2 Unix SMB/CIFS implementation.
5 Copyright (C) Simo Sorce <idra@samba.org> 2011
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "system/network.h"
24 enum pf_worker_status {
37 struct pf_worker_data {
39 enum pf_worker_status status;
44 enum pf_server_cmds cmds;
48 typedef int (prefork_main_fn_t)(struct tevent_context *ev,
49 struct pf_worker_data *pf,
58 /* ==== Functions used by controlling process ==== */
60 bool prefork_create_pool(struct tevent_context *ev_ctx, TALLOC_CTX *mem_ctx,
61 int listen_fd_size, int *listen_fds,
62 int min_children, int max_children,
63 prefork_main_fn_t *main_fn, void *private_data,
64 struct prefork_pool **pf_pool);
65 int prefork_expand_pool(struct prefork_pool *pfp, int new_max);
67 int prefork_add_children(struct tevent_context *ev_ctx,
68 struct prefork_pool *pfp,
70 int prefork_retire_children(struct prefork_pool *pfp,
71 int num_children, time_t age_limit);
72 int prefork_count_active_children(struct prefork_pool *pfp, int *total);
73 bool prefork_mark_pid_dead(struct prefork_pool *pfp, pid_t pid);
74 void prefork_increase_allowed_clients(struct prefork_pool *pfp, int max);
75 void prefork_reset_allowed_clients(struct prefork_pool *pfp);
76 void prefork_send_signal_to_all(struct prefork_pool *pfp, int signal_num);
78 /* ==== Functions used by children ==== */
80 struct tevent_req *prefork_listen_send(TALLOC_CTX *mem_ctx,
81 struct tevent_context *ev,
82 struct pf_worker_data *pf,
86 struct sockaddr *addr,
88 int prefork_listen_recv(struct tevent_req *req, int *fd);