diff options
author | John (J5) Palmieri <johnp@redhat.com> | 2006-08-08 22:08:39 +0000 |
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committer | John (J5) Palmieri <johnp@redhat.com> | 2006-08-08 22:08:39 +0000 |
commit | d387411488a093f77f4cd752b75e8bf8360550c6 (patch) | |
tree | 105785190be1d6a0667a861bba4c52794e9891f2 /bus/dir-watch-dnotify.c | |
parent | aaa432b0644199418eb2ce506c87397cd379df4f (diff) |
* dbus/dbus-sysdeps.h:
* dbus/dbus-sysdeps.c:
* dbus/dbus-string.c:
s/_dbus_printf_length/_dbus_printf_string_upper_bound to comform with
GLib's function which does the same thing
* configure.in:
* bus/Makefile.am:
* bus/dir-watch-default.c:
* bus/dir-watch-dnotify.c:
* bus/dir-watch-kqueue.c:
Add kqueue directory watching for freebsd and split the directory
watching code into seperate files per method/arch
(patches from Timothy Redaelli <drizzt at gufi dotorg>)
Diffstat (limited to 'bus/dir-watch-dnotify.c')
-rw-r--r-- | bus/dir-watch-dnotify.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/bus/dir-watch-dnotify.c b/bus/dir-watch-dnotify.c new file mode 100644 index 00000000..64cfc74d --- /dev/null +++ b/bus/dir-watch-dnotify.c @@ -0,0 +1,90 @@ +/* -*- mode: C; c-file-style: "gnu" -*- */ +/* dir-watch-dnotify.c OS specific directory change notification for message bus + * + * Copyright (C) 2003 Red Hat, Inc. + * + * Licensed under the Academic Free License version 2.1 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <config.h> + +#define _GNU_SOURCE +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> + +#include <dbus/dbus-internals.h> +#include "dir-watch.h" + +#define MAX_DIRS_TO_WATCH 128 + +/* use a static array to avoid handling OOM */ +static int fds[MAX_DIRS_TO_WATCH]; +static int num_fds = 0; + +void +bus_watch_directory (const char *dir, void *userdata) +{ + int fd; + + _dbus_assert (dir != NULL); + + if (num_fds >= MAX_DIRS_TO_WATCH ) + { + _dbus_warn ("Cannot watch config directory '%s'. Already watching %d directories\n", dir, MAX_DIRS_TO_WATCH); + goto out; + } + + fd = open (dir, O_RDONLY); + if (fd < 0) + { + _dbus_warn ("Cannot open directory '%s'; error '%s'\n", dir, _dbus_strerror (errno)); + goto out; + } + + if (fcntl (fd, F_NOTIFY, DN_DELETE|DN_RENAME|DN_MODIFY) == -1) + { + _dbus_warn ("Cannot setup D_NOTIFY for '%s' error '%s'\n", dir, _dbus_strerror (errno)); + close (fd); + goto out; + } + + fds[num_fds++] = fd; + _dbus_verbose ("Added watch on config directory '%s'\n", dir); + + out: + ; +} + +void +bus_drop_all_directory_watches (void) +{ + _dbus_verbose ("Dropping all watches on config directories\n"); + + int i; + + for (i = 0; i < num_fds; i++) + { + if (close (fds[i]) != 0) + { + _dbus_verbose ("Error closing fd %d for config directory watch\n", fds[i]); + } + } + + num_fds = 0; +} |