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/*
Based on process_standard.c from samba4
Copyright (C) Andrew Tridgell 1992-2005
Copyright (C) James J Myers 2003 <myersjj@samba.org>
Copyright (C) Stefan (metze) Metzmacher 2004
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 <unistd.h>
#include "../events/events.h"
#include "../tdb/include/tdb.h"
#include "../talloc/talloc.h"
#include "util/util.h"
#ifdef HAVE_SETPROCTITLE
#ifdef HAVE_SETPROCTITLE_H
#include <setproctitle.h>
#endif
#else
#define setproctitle none_setproctitle
static int none_setproctitle(const char *fmt, ...) PRINTF_ATTRIBUTE(1, 2);
static int none_setproctitle(const char *fmt, ...)
{
return 0;
}
#endif
/*
called to create a new server task
*/
int process_new_task(struct event_context *ev,
const char *service_name,
void (*new_task)(struct event_context *, void *),
void *private,
pid_t *rpid)
{
pid_t pid;
struct event_context *ev2;
pid = fork();
if (pid != 0) {
int res;
/* parent */
res = EOK;
if (pid == -1) {
/* error */
res = ECHILD;
}
if (rpid) {
*rpid = pid;
}
/* ... go back to the event loop */
return res;
}
pid = getpid();
/* This is now the child code. We need a completely new event_context to work with */
ev2 = 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);
/* this will free all the listening sockets and all state that
is not associated with this new connection */
talloc_free(ev);
/* tdb needs special fork handling */
if (tdb_reopen_all(1) == -1) {
DEBUG(0,("process_new_task: tdb_reopen_all failed.\n"));
}
setproctitle("task %s server_id[%d]", service_name, pid);
/* setup this new task. */
new_task(ev2, private);
/* 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 */
event_loop_wait(ev2);
talloc_free(ev2);
exit(0);
}
/* called when a task goes down */
void process_terminate(struct event_context *ev, const char *reason)
{
DEBUG(2,("process_terminate: reason[%s]\n",reason));
talloc_free(ev);
/* terminate this process */
exit(0);
}
/* called to set a title of a task or connection */
void process_set_title(struct event_context *ev, const char *title)
{
if (title) {
setproctitle("%s", title);
} else {
setproctitle(NULL);
}
}
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