diff options
Diffstat (limited to 'source3/lib/server_prefork.h')
-rw-r--r-- | source3/lib/server_prefork.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/source3/lib/server_prefork.h b/source3/lib/server_prefork.h new file mode 100644 index 0000000000..d6d7bf95c9 --- /dev/null +++ b/source3/lib/server_prefork.h @@ -0,0 +1,76 @@ +/* + Unix SMB/CIFS implementation. + Common server globals + + 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/>. +*/ + +#include "system/network.h" +#include <tevent.h> + +enum pf_worker_status { + PF_WORKER_NONE = 0, + PF_WORKER_IDLE, + PF_WORKER_ACCEPTING, + PF_WORKER_BUSY, + PF_WORKER_EXITING +}; + +enum pf_server_cmds { + PF_SRV_MSG_NONE = 0, + PF_SRV_MSG_EXIT +}; + +struct pf_worker_data { + pid_t pid; + enum pf_worker_status status; + enum pf_server_cmds cmds; + time_t started; + time_t last_used; + int num_clients; +}; + +typedef int (prefork_main_fn_t)(struct tevent_context *ev, + struct pf_worker_data *pf, + int listen_fd, + int lock_fd, + void *private_data); + +struct prefork_pool; + + +/* ==== Functions used by controlling process ==== */ + +bool prefork_create_pool(struct tevent_context *ev_ctx, + TALLOC_CTX *mem_ctx, int listen_fd, + int min_children, int max_children, + prefork_main_fn_t *main_fn, void *private_data, + struct prefork_pool **pf_pool); + +int prefork_add_children(struct tevent_context *ev_ctx, + struct prefork_pool *pfp, + int num_children); +int prefork_retire_children(struct prefork_pool *pfp, + int num_children, time_t age_limit); +int prefork_count_active_children(struct prefork_pool *pfp, int *total); +bool prefork_mark_pid_dead(struct prefork_pool *pfp, pid_t pid); + +/* ==== Functions used by children ==== */ + +int prefork_wait_for_client(struct pf_worker_data *pf, + int lock_fd, int listen_fd, + struct sockaddr *addr, + socklen_t *addrlen, int *fd); |