| 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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