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Diffstat (limited to 'source3/lib/dmallocmsg.c')
-rw-r--r-- | source3/lib/dmallocmsg.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/source3/lib/dmallocmsg.c b/source3/lib/dmallocmsg.c new file mode 100644 index 0000000000..a83ed518d7 --- /dev/null +++ b/source3/lib/dmallocmsg.c @@ -0,0 +1,72 @@ +/* + samba -- Unix SMB/CIFS implementation. + Copyright (C) 2002 by Martin Pool + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "includes.h" + +/** + * @file dmallocmsg.c + * + * Glue code to cause dmalloc info to come out when we receive a prod + * over samba messaging. + **/ + +#ifdef ENABLE_DMALLOC +static unsigned long our_dm_mark = 0; +#endif /* ENABLE_DMALLOC */ + + +/** + * Respond to a POOL_USAGE message by sending back string form of memory + * usage stats. + **/ +static void msg_req_dmalloc_mark(int UNUSED(msg_type), pid_t UNUSED(src_pid), + void *UNUSED(buf), size_t UNUSED(len)) +{ +#ifdef ENABLE_DMALLOC + our_dm_mark = dmalloc_mark(); + DEBUG(2,("Got MSG_REQ_DMALLOC_MARK: mark set\n")); +#else + DEBUG(2,("Got MSG_REQ_DMALLOC_MARK but dmalloc not in this process\n")); +#endif +} + + + +static void msg_req_dmalloc_log_changed(int UNUSED(msg_type), + pid_t UNUSED(src_pid), + void *UNUSED(buf), size_t UNUSED(len)) +{ +#ifdef ENABLE_DMALLOC + dmalloc_log_changed(our_dm_mark, True, True, True); + DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED: done\n")); +#else + DEBUG(2,("Got MSG_REQ_DMALLOC_LOG_CHANGED but dmalloc not in this process\n")); +#endif +} + + +/** + * Register handler for MSG_REQ_POOL_USAGE + **/ +void register_dmalloc_msgs(void) +{ + message_register(MSG_REQ_DMALLOC_MARK, msg_req_dmalloc_mark); + message_register(MSG_REQ_DMALLOC_LOG_CHANGED, msg_req_dmalloc_log_changed); + DEBUG(2, ("Registered MSG_REQ_DMALLOC_MARK and LOG_CHANGED\n")); +} |