diff options
Diffstat (limited to 'libdiskfs/dir-chg.c')
-rw-r--r-- | libdiskfs/dir-chg.c | 50 |
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; + } +} |