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author | cvs2svn Import User <samba-bugs@samba.org> | 2002-07-14 22:15:21 +0000 |
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committer | cvs2svn Import User <samba-bugs@samba.org> | 2002-07-14 22:15:21 +0000 |
commit | ec167dc9cc0ec2ee461837c25a371d2981744208 (patch) | |
tree | 2703197421fecfa142935091760c2d4a60f10552 /source3/lib/server_mutex.c | |
parent | a2c8ca186f7261fdab49ed40949320a45868d2b5 (diff) | |
parent | 13157d1494b99bf85632120c27286ba4d877a68f (diff) | |
download | samba-ec167dc9cc0ec2ee461837c25a371d2981744208.tar.gz samba-ec167dc9cc0ec2ee461837c25a371d2981744208.tar.bz2 samba-ec167dc9cc0ec2ee461837c25a371d2981744208.zip |
This commit was manufactured by cvs2svn to create branch 'SAMBA_3_0'.(This used to be commit b8d39651fb90ef170055735412417239a63afc5d)
Diffstat (limited to 'source3/lib/server_mutex.c')
-rw-r--r-- | source3/lib/server_mutex.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/source3/lib/server_mutex.c b/source3/lib/server_mutex.c new file mode 100644 index 0000000000..416d77564d --- /dev/null +++ b/source3/lib/server_mutex.c @@ -0,0 +1,57 @@ +/* + Unix SMB/CIFS implementation. + Authenticate against a remote domain + Copyright (C) Andrew Tridgell 1992-2002 + Copyright (C) Andrew Bartlett 2002 + + 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" + +/* For reasons known only to MS, many of their NT/Win2k versions + need serialised access only. Two connections at the same time + may (in certain situations) cause connections to be reset, + or access to be denied. + + This locking allows smbd's mutlithread architecture to look + like the single-connection that NT makes. */ + +static char *mutex_server_name; + +BOOL grab_server_mutex(const char *name) +{ + mutex_server_name = strdup(name); + if (!mutex_server_name) { + DEBUG(0,("grab_server_mutex: malloc failed for %s\n", name)); + return False; + } + if (!message_named_mutex(mutex_server_name, 20)) { + DEBUG(10,("grab_server_mutex: failed for %s\n", name)); + SAFE_FREE(mutex_server_name); + return False; + } + + return True; +} + +void release_server_mutex(void) +{ + if (mutex_server_name) { + message_named_mutex_release(mutex_server_name); + SAFE_FREE(mutex_server_name); + } +} + |