hurd/

2002-06-26  Marcus Brinkmann  <marcus@gnu.org>

	* fs_notify.defs: Add MsgOption for send timeout.
	(dir_changed): Changed to simpleroutine.  Change type of first
	argument to fs_notify_t.  Add TICKNO argument.
	(file_changed): Likewise.
	* hurd_types.defs (fs_notify_t): New type.
	* hurd_types.h (fs_notify_t): Likewise.

libdiskfs/
2002-06-26  Marcus Brinkmann  <marcus@gnu.org>

	* Makefile (DIST_FILES): Variable removed.
	(MIGSTUBS): Use fs_notifyUser.o, not ourfs_notifyUser.o.
	* ourfs_notify.defs: File removed.
	* diskfs.h (struct node): New members DIRMOD_TICK and
	FILEMOD_TICK.
	* node-make.c (diskfs_make_node): Initialize DIRMOD_TICK and
	FILEMOD_TICK.
	* dir-chg.c: Include "fs_notify_U.h" instead "ourfs_notify_U.h".
	(diskfs_S_dir_notice_changes): Use new dir_changed invocation
	instead nowait_dir_changed.
	(diskfs_notice_dirchange): Likewise.  Increase tick number.
	Ignore send timeout error.
	* file-chg.c: Include "fs_notify_U.h" instead "ourfs_notify_U.h".
	(diskfs_S_file_notice_changes): Use new file_changed invocation
	instead nowait_file_changed.
	(diskfs_notice_filechange): Likewise.  Increase tick number.
	Ignore send timeout error.

console/
2002-06-27  Marcus Brinkmann  <marcus@gnu.org>

	* Makefile (MIGSTUBS): Add fs_notifyUser.o.
	(MIGSFLAGS): New variable.
	* console.c: Include "fs_notify_U.h".
	(struct modreq): New structure.
	(struct cons): New members DIRMOD_REQS and DIRMOD_TICK.
	(cons_notice_dirchange): New function.
	(vcons_lookup): Call cons_notice_dirchange.
	(netfs_S_dir_notice_changes): New function.
	(main): Initialize new members in CONS.
	* display.c (nowait_file_changed): Update to new interface (new
	argument TICKNO).
	(do_mach_notify_msg_accepted): Call nowait_file_changed with new argument.
	(display_notice_changes): Likewise.
	(display_notice_filechange): Likewise.

1 files changed, 15 insertions, 6 deletions

diff --git a/hurd/fs_notify.defs b/hurd/fs_notify.defs
index ce53eb44..3a30fe6d 100644
--- a/hurd/fs_notify.defs
+++ b/hurd/fs_notify.defs
@@ -25,22 +25,31 @@ subsystem fs_notify 20500;
 FS_NOTIFY_IMPORTS
 #endif
 
+/* For maximum robustness, the server must not wait for the client to
+   receive the notification message.  This is achieved by setting a
+   send timeout (XXX which is implicitely 0 with MACH_MSG_TIMEOUT_NONE).  */
+MsgOption MACH_SEND_TIMEOUT;
 
 /* This is sent by a filesystem (after being requested with
    dir_notice_changes) every time a directory is changed.
    CHANGE identifies the sort of change that has occurred (see hurd_types.h);
-   NAME is the name that was changed.  */
-routine dir_changed (
-	notify_port: mach_port_t;
+   NAME is the name that was changed.  TICKNO is a sequential number
+   that allows the client to verify that it got all notifications.  */
+simpleroutine dir_changed (
+	notify_port: fs_notify_t;
+	tickno: natural_t;
 	change: dir_changed_type_t;
 	name: string_t);
 
 /* This is sent by a filesystem (after being requested with
    file_notice_changes) every time a file or its stat info is changed.
    CHANGE identifies the sort of change that has occurred (see hurd_types.h);
-   START and END identify the affected regions of the file's data.  */
-routine file_changed (
-	notify_port: mach_port_t;
+   START and END identify the affected regions of the file's data.
+   TICKNO is a sequential number that allows the client to verify that
+   it got all notifications.  */
+simpleroutine file_changed (
+	notify_port: fs_notify_t;
+	tickno: natural_t;
 	change: file_changed_type_t;
 	start: loff_t;
 	end: loff_t);