diff options
Diffstat (limited to 'libexec/rpc.lockd/handles.c')
-rw-r--r-- | libexec/rpc.lockd/handles.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/libexec/rpc.lockd/handles.c b/libexec/rpc.lockd/handles.c new file mode 100644 index 00000000000..047f6d23ee3 --- /dev/null +++ b/libexec/rpc.lockd/handles.c @@ -0,0 +1,58 @@ +/* + * Copyright (c) 1995 + * A.R. Gordon (andrew.gordon@net-tel.co.uk). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed for the FreeBSD project + * 4. Neither the name of the author nor the names of any co-contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY ANDREW GORDON AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ + + + +#include "nlm_prot.h" + +/* ------------------------------------------------------------------------- */ +/* + + +* need to find all fds in use by a host and free them when host crashes + (need not be efficient) + +* need to find fd corresponding to <inode, device> + +*/ + +typedef struct fdinfo +{ + int fd; /* The file descriptor itself */ + int ref_count; /* Count of hosts using the fd - fd is */ + /* closed when this reaches zero */ + ino_t inode_no; /* The inode number of this file. */ + dev_t device; /* device on which the file lives. */ + struct fdinfo *next; /* Chain of FdInfo structures */ + struct fdinfo *prev; +} FdInfo; |