1 | /*
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2 | samba -- Unix SMB/CIFS implementation.
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3 | Copyright (C) 2002 by Martin Pool
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4 |
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5 | This program is free software; you can redistribute it and/or modify
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6 | it under the terms of the GNU General Public License as published by
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7 | the Free Software Foundation; either version 2 of the License, or
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8 | (at your option) any later version.
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9 |
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10 | This program is distributed in the hope that it will be useful,
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | GNU General Public License for more details.
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14 |
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15 | You should have received a copy of the GNU General Public License
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16 | along with this program; if not, write to the Free Software
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17 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 | */
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19 |
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20 | #include "includes.h"
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21 |
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22 | /**
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23 | * @file dmallocmsg.c
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24 | *
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25 | * Glue code to cause dmalloc info to come out when we receive a prod
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26 | * over samba messaging.
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27 | **/
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28 |
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29 | #ifdef ENABLE_DMALLOC
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30 | static unsigned long our_dm_mark = 0;
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31 | #endif /* ENABLE_DMALLOC */
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32 |
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33 |
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34 | /**
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35 | * Respond to a POOL_USAGE message by sending back string form of memory
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36 | * usage stats.
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37 | **/
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38 | static void msg_req_dmalloc_mark(int UNUSED(msg_type),
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39 | struct process_id UNUSED(src_pid),
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40 | void *UNUSED(buf), size_t UNUSED(len),
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41 | void *private_data)
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42 | {
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43 | #ifdef ENABLE_DMALLOC
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44 | our_dm_mark = dmalloc_mark();
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45 | DEBUG(2,("Got MSG_REQ_DMALLOC_MARK: mark set\n"));
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46 | #else
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47 | DEBUG(2,("Got MSG_REQ_DMALLOC_MARK but dmalloc not in this process\n"));
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48 | #endif
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49 | }
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50 |
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51 |
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52 |
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53 | static void msg_req_dmalloc_log_changed(int UNUSED(msg_type),
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54 | struct process_id UNUSED(src_pid),
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55 | void *UNUSED(buf), size_t UNUSED(len),
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56 | void *private_data)
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57 | {
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58 | #ifdef ENABLE_DMALLOC
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59 | dmalloc_log_changed(our_dm_mark, True, True, True);
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60 | DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED: done\n"));
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61 | #else
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62 | DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED but dmalloc not in this process\n"));
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63 | #endif
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64 | }
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65 |
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66 |
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67 | /**
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68 | * Register handler for MSG_REQ_POOL_USAGE
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69 | **/
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70 | void register_dmalloc_msgs(void)
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71 | {
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72 | message_register(MSG_REQ_DMALLOC_MARK, msg_req_dmalloc_mark, NULL);
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73 | message_register(MSG_REQ_DMALLOC_LOG_CHANGED,
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74 | msg_req_dmalloc_log_changed, NULL);
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75 | DEBUG(2, ("Registered MSG_REQ_DMALLOC_MARK and LOG_CHANGED\n"));
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76 | }
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