+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
-
- process model: onefork (1 child process)
-
- Copyright (C) Andrew Tridgell 1992-2005
- Copyright (C) James J Myers 2003 <myersjj@samba.org>
- Copyright (C) Stefan (metze) Metzmacher 2004
- Copyright (C) Andrew Bartlett 2008 <abartlet@samba.org>
- Copyright (C) David Disseldorp 2008 <ddiss@sgi.com>
-
- 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 "includes.h"
-#include "lib/events/events.h"
-#include "lib/socket/socket.h"
-#include "smbd/process_model.h"
-#include "system/filesys.h"
-#include "cluster/cluster.h"
-#include "param/param.h"
-#include "ldb_wrap.h"
-
-NTSTATUS process_model_onefork_init(void);
-
-/*
- called when the process model is selected
-*/
-static void onefork_model_init(void)
-{
- signal(SIGCHLD, SIG_IGN);
-}
-
-static void onefork_reload_after_fork(void)
-{
- ldb_wrap_fork_hook();
-
- /* Ensure that the forked children do not expose identical random streams */
- set_need_random_reseed();
-}
-
-/*
- called when a listening socket becomes readable.
-*/
-static void onefork_accept_connection(struct tevent_context *ev,
- struct loadparm_context *lp_ctx,
- struct socket_context *listen_socket,
- void (*new_conn)(struct tevent_context *,
- struct loadparm_context *, struct socket_context *,
- struct server_id , void *),
- void *private_data)
-{
- NTSTATUS status;
- struct socket_context *connected_socket;
- pid_t pid = getpid();
-
- /* accept an incoming connection. */
- status = socket_accept(listen_socket, &connected_socket);
- if (!NT_STATUS_IS_OK(status)) {
- return;
- }
-
- talloc_steal(private_data, connected_socket);
-
- new_conn(ev, lp_ctx, connected_socket, cluster_id(pid, socket_get_fd(connected_socket)), private_data);
-}
-
-/*
- called to create a new server task
-*/
-static void onefork_new_task(struct tevent_context *ev,
- struct loadparm_context *lp_ctx,
- const char *service_name,
- void (*new_task_fn)(struct tevent_context *, struct loadparm_context *lp_ctx, struct server_id , void *),
- void *private_data)
-{
- pid_t pid;
-
- pid = fork();
-
- if (pid != 0) {
- /* parent or error code ... go back to the event loop */
- return;
- }
-
- pid = getpid();
-
- if (tevent_re_initialise(ev) != 0) {
- smb_panic("Failed to re-initialise tevent after fork");
- }
-
- setproctitle("task %s server_id[%d]", service_name, (int)pid);
-
- onefork_reload_after_fork();
-
- /* setup this new connection: process will bind to it's sockets etc */
- new_task_fn(ev, lp_ctx, cluster_id(pid, 0), private_data);
-
- tevent_loop_wait(ev);
-
- talloc_free(ev);
- exit(0);
-
-}
-
-
-/* called when a task goes down */
-static void onefork_terminate(struct tevent_context *ev, struct loadparm_context *lp_ctx, const char *reason)
-{
- DEBUG(2,("onefork_terminate: reason[%s]\n",reason));
-}
-
-/* called to set a title of a task or connection */
-static void onefork_set_title(struct tevent_context *ev, const char *title)
-{
- if (title) {
- setproctitle("%s", title);
- } else {
- setproctitle(NULL);
- }
-}
-
-static const struct model_ops onefork_ops = {
- .name = "onefork",
- .model_init = onefork_model_init,
- .accept_connection = onefork_accept_connection,
- .new_task = onefork_new_task,
- .terminate = onefork_terminate,
- .set_title = onefork_set_title,
-};
-
-/*
- initialise the onefork process model, registering ourselves with the process model subsystem
- */
-NTSTATUS process_model_onefork_init(void)
-{
- return register_process_model(&onefork_ops);
-}
+++ /dev/null
-/*
- Unix SMB/CIFS implementation.
-
- process model: prefork (n client connections per process)
-
- Copyright (C) Andrew Tridgell 1992-2005
- Copyright (C) James J Myers 2003 <myersjj@samba.org>
- Copyright (C) Stefan (metze) Metzmacher 2004
- Copyright (C) Andrew Bartlett 2008 <abartlet@samba.org>
- Copyright (C) David Disseldorp 2008 <ddiss@sgi.com>
-
- 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 "includes.h"
-#include "lib/events/events.h"
-#include "lib/socket/socket.h"
-#include "smbd/process_model.h"
-#include "system/filesys.h"
-#include "cluster/cluster.h"
-#include "param/param.h"
-#include "ldb_wrap.h"
-
-NTSTATUS process_model_prefork_init(void);
-
-/*
- called when the process model is selected
-*/
-static void prefork_model_init(void)
-{
- signal(SIGCHLD, SIG_IGN);
-}
-
-static void prefork_reload_after_fork(void)
-{
- ldb_wrap_fork_hook();
-
- /* Ensure that the forked children do not expose identical random streams */
- set_need_random_reseed();
-}
-
-/*
- called when a listening socket becomes readable.
-*/
-static void prefork_accept_connection(struct tevent_context *ev,
- struct loadparm_context *lp_ctx,
- struct socket_context *listen_socket,
- void (*new_conn)(struct tevent_context *,
- struct loadparm_context *, struct socket_context *,
- struct server_id , void *),
- void *private_data)
-{
- NTSTATUS status;
- struct socket_context *connected_socket;
- pid_t pid = getpid();
-
- /* accept an incoming connection. */
- status = socket_accept(listen_socket, &connected_socket);
- if (!NT_STATUS_IS_OK(status)) {
- return;
- }
-
- talloc_steal(private_data, connected_socket);
-
- new_conn(ev, lp_ctx, connected_socket, cluster_id(pid, socket_get_fd(connected_socket)), private_data);
-}
-
-/*
- called to create a new server task
-*/
-static void prefork_new_task(struct tevent_context *ev,
- struct loadparm_context *lp_ctx,
- const char *service_name,
- void (*new_task_fn)(struct tevent_context *, struct loadparm_context *lp_ctx, struct server_id , void *),
- void *private_data)
-{
- pid_t pid;
- int i, num_children;
-
- struct tevent_context *ev2, *ev_parent;
-
- pid = fork();
-
- if (pid != 0) {
- /* parent or error code ... go back to the event loop */
- return;
- }
-
- pid = getpid();
-
- /* This is now the child code. We need a completely new event_context to work with */
- ev2 = s4_event_context_init(NULL);
-
- /* the service has given us a private pointer that
- encapsulates the context it needs for this new connection -
- everything else will be freed */
- talloc_steal(ev2, private_data);
-
- /* this will free all the listening sockets and all state that
- is not associated with this new connection */
- talloc_free(ev);
-
- setproctitle("task %s server_id[%d]", service_name, (int)pid);
-
- prefork_reload_after_fork();
-
- /* setup this new connection: process will bind to it's sockets etc */
- new_task_fn(ev2, lp_ctx, cluster_id(pid, 0), private_data);
-
- num_children = lpcfg_parm_int(lp_ctx, NULL, "prefork children", service_name, 0);
- if (num_children == 0) {
-
- /* We don't want any kids hanging around for this one,
- * let the parent do all the work */
- tevent_loop_wait(ev2);
-
- talloc_free(ev2);
- exit(0);
- }
-
- /* We are now free to spawn some child proccesses */
-
- for (i=0; i < num_children; i++) {
-
- pid = fork();
- if (pid > 0) {
- continue;
- } else if (pid == -1) {
- return;
- } else {
- pid = getpid();
- setproctitle("task %s server_id[%d]", service_name, (int)pid);
-
- prefork_reload_after_fork();
-
- /* we can't return to the top level here, as that event context is gone,
- so we now process events in the new event context until there are no
- more to process */
- tevent_loop_wait(ev2);
-
- talloc_free(ev2);
- exit(0);
- }
- }
-
- /* Don't listen on the sockets we just gave to the children */
- talloc_free(ev2);
-
- /* But we need a events system to handle reaping children */
- ev_parent = s4_event_context_init(NULL);
-
- /* TODO: Handle some events... */
-
- /* we can't return to the top level here, as that event context is gone,
- so we now process events in the new event context until there are no
- more to process */
- tevent_loop_wait(ev_parent);
-
- talloc_free(ev_parent);
- exit(0);
-
-}
-
-
-/* called when a task goes down */
-static void prefork_terminate(struct tevent_context *ev, struct loadparm_context *lp_ctx, const char *reason)
-{
- DEBUG(2,("prefork_terminate: reason[%s]\n",reason));
-}
-
-/* called to set a title of a task or connection */
-static void prefork_set_title(struct tevent_context *ev, const char *title)
-{
- if (title) {
- setproctitle("%s", title);
- } else {
- setproctitle(NULL);
- }
-}
-
-static const struct model_ops prefork_ops = {
- .name = "prefork",
- .model_init = prefork_model_init,
- .accept_connection = prefork_accept_connection,
- .new_task = prefork_new_task,
- .terminate = prefork_terminate,
- .set_title = prefork_set_title,
-};
-
-/*
- initialise the prefork process model, registering ourselves with the process model subsystem
- */
-NTSTATUS process_model_prefork_init(void)
-{
- return register_process_model(&prefork_ops);
-}
git.samba.org / obnox / samba / samba-obnox.git / commitdiff