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authorSvante Signell <svante.signell@gmail.com>2019-10-30 02:33:27 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2019-10-30 02:33:27 +0100
commit40ab805df48b2f65d5028ba59063e2a36f19f452 (patch)
treec2f28545962193b271251dd54cbc2b237b68f435 /libnetfs/netfs.h
parent3a8234d2440a464f5401b3444d454ac913d6b3d6 (diff)
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libnetfs: Support for file record locking
2019-03-04 Svante Signell <svante.signell@gmail.com> * file-lock.c: Make flock work regardless of the mode in which the file was opened. 2019-02-12 Svante Signell <svante.signell@gmail.com> * file-lock.c: Comment out "Make flock work without R or W mode" 2019-02-01 Svante Signell <svante.signell@gmail.com> * Update copyright years. * file-record-lock.c(netfs_S_file_record_lock): Don't set rendezvous to MACH_PORT_NULL. 2017-01-05 Svante Signell <svante.signell@gmail.com> * Update copyright years and headers. * dir-lookup.c(netfs_S_dir_lookup): Call fshelp_rlock_tweak() with new last argument rendezvous = MACH_PORT_NULL. * file-lock.c(netfs_S_file_lock): Likewise. * file-record-lock.c(netfs_S_file_record_lock): Likewise. (netfs_S_file_record_lock): Add new argument mach_port_t rendezvous. 2016-05-23 Svante Signell <svante.signell@gmail.com> * netfs.h (struct peropen): Change the type of rlock_status from an int to a struct rlock_peropen. (struct node): Change the type of userbox from a struct lock_box to a struct rlock_box. * dir-lookup.c (netfs_S_dir_lookup): Use fshelp_rlock_tweak. * file-lock-stat.c (netfs_S_file_lock_stat): Total rewrite around the new record locking functions. * file-lock.c (netfs_S_file_lock): Likewise. * file-record-lock.c (netfs_S_file_record_lock): Likewise. * make-node.c (netfs_make_node): Initialize userbox with fshelp_rlock_init. * make-peropen.c (netfs_make_peropen): Initialize lock_status using fshelp_rlock_po_init. (netfs_make_peropen): Add a comment that po->refcnt starts at zero. * relese-peropen.c (netfs_release_peropen): Release lock_status using fshelp_rlock_drop_peropen. 2001-04-11 Neal H Walfield <neal@cs.uml.edu> * file-record-lock.c: New file. Implement netfs_S_file_record_lock. * Makefile (SRCS): Add file-record-lock.c
Diffstat (limited to 'libnetfs/netfs.h')
-rw-r--r--libnetfs/netfs.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/libnetfs/netfs.h b/libnetfs/netfs.h
index 625aa963..d6a13bb1 100644
--- a/libnetfs/netfs.h
+++ b/libnetfs/netfs.h
@@ -1,6 +1,6 @@
/*
-
- Copyright (C) 1994,95,96,97,99,2000,02,13 Free Software Foundation, Inc.
+ Copyright (C) 1994-1997, 1999, 2000, 2002, 2013-2019
+ Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
@@ -13,8 +13,7 @@
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. */
+ along with the GNU Hurd. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _HURD_NETFS_H_
#define _HURD_NETFS_H_
@@ -24,6 +23,7 @@
#include <hurd/iohelp.h>
#include <assert-backtrace.h>
#include <pthread.h>
+#include <refcount.h>
/* This library supports client-side network file system
implementations. It is analogous to the diskfs library provided for
@@ -50,7 +50,7 @@ struct protid
struct peropen
{
loff_t filepointer;
- int lock_status;
+ struct rlock_peropen lock_status;
refcount_t refcnt;
int openstat;
@@ -93,7 +93,7 @@ struct node
struct transbox transbox;
- struct lock_box userlock;
+ struct rlock_box userlock;
struct conch conch;