source/lib/tallocmsg.c

   1 /*
   2    samba -- Unix SMB/CIFS implementation.
   3    Copyright (C) 2001, 2002 by Martin Pool
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 2 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program; if not, write to the Free Software
  17    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18 */
  19
  20 #include "includes.h"
  21
  22 /**
  23  * @file tallocmsg.c
  24  *
  25  * Glue code between talloc profiling and the Samba messaging system.
  26  **/
  27
  28
  29 /**
  30  * Respond to a POOL_USAGE message by sending back string form of memory
  31  * usage stats.
  32  **/
  33 void msg_pool_usage(int msg_type, struct process_id src_pid,
  34                     void *UNUSED(buf), size_t UNUSED(len))
  35 {
  36         char *reply = NULL;
  37
  38         SMB_ASSERT(msg_type == MSG_REQ_POOL_USAGE);
  39
  40         DEBUG(2,("Got POOL_USAGE\n"));
  41
  42         reply = talloc_describe_all();
  43         if (!reply) {
  44                 return;
  45         }
  46
  47         become_root();
  48         message_send_pid(src_pid, MSG_POOL_USAGE,
  49                          reply, strlen(reply)+1, True);
  50         unbecome_root();
  51
  52         SAFE_FREE(reply);
  53 }
  54
  55 /**
  56  * Register handler for MSG_REQ_POOL_USAGE
  57  **/
  58 void register_msg_pool_usage(void)
  59 {
  60         message_register(MSG_REQ_POOL_USAGE, msg_pool_usage);
  61         DEBUG(2, ("Registered MSG_REQ_POOL_USAGE\n"));
  62 }