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Diffstat (limited to 'libdiskfs/dir-chg.c')
-rw-r--r--libdiskfs/dir-chg.c50
1 files changed, 38 insertions, 12 deletions
diff --git a/libdiskfs/dir-chg.c b/libdiskfs/dir-chg.c
index 42dfb161..7ca34447 100644
--- a/libdiskfs/dir-chg.c
+++ b/libdiskfs/dir-chg.c
@@ -1,5 +1,5 @@
/* Notifications of directory changes.
- Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995, 1998, 2001 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
@@ -17,40 +17,66 @@
#include "priv.h"
#include "fs_S.h"
-#include "ourfs_notify_U.h"
+#include "fs_notify_U.h"
kern_return_t
diskfs_S_dir_notice_changes (struct protid *cred,
mach_port_t notify)
{
- struct dirmod *req;
+ error_t err;
+ struct modreq *req;
struct node *np;
-
+
if (!cred)
return EOPNOTSUPP;
np = cred->po->np;
- req = malloc (sizeof (struct dirmod));
mutex_lock (&np->lock);
if (!S_ISDIR (np->dn_stat.st_mode))
{
mutex_unlock (&np->lock);
return ENOTDIR;
}
+ err = dir_changed (notify, np->dirmod_tick, DIR_CHANGED_NULL, "");
+ if (err)
+ {
+ mutex_unlock (&np->lock);
+ return err;
+ }
+ req = malloc (sizeof (struct modreq));
+ if (! req)
+ {
+ mutex_unlock (&np->lock);
+ return ENOMEM;
+ }
req->port = notify;
req->next = np->dirmod_reqs;
np->dirmod_reqs = req;
- nowait_dir_changed (notify, DIR_CHANGED_NULL, "");
mutex_unlock (&np->lock);
return 0;
}
void
diskfs_notice_dirchange (struct node *dp, enum dir_changed_type type,
- char *name)
+ const char *name)
{
- struct dirmod *req;
-
- for (req = dp->dirmod_reqs; req; req = req->next)
- nowait_dir_changed (req->port, type, name);
-}
+ error_t err;
+ struct modreq **preq;
+
+ dp->dirmod_tick++;
+ preq = &dp->dirmod_reqs;
+ while (*preq)
+ {
+ struct modreq *req = *preq;
+ err = dir_changed (req->port, dp->dirmod_tick, type, name);
+ if (err && err != MACH_SEND_TIMED_OUT)
+ {
+ /* Remove notify port. */
+ *preq = req->next;
+ mach_port_deallocate (mach_task_self (), req->port);
+ free (req);
+ }
+ else
+ preq = &req->next;
+ }
+}