[src/trunk]: src/lib/librefuse/refuse lib/librefuse: Add stub functions for F...

[pho <pho%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/49031527aa2d
branches:  trunk
changeset: 359760:49031527aa2d
user:      pho <pho%NetBSD.org@localhost>
date:      Sat Jan 22 07:56:15 2022 +0000

description:
lib/librefuse: Add stub functions for FUSE polling API

diffstat:

 distrib/sets/lists/comp/mi        |   3 +-
 lib/librefuse/TODO                |   3 +-
 lib/librefuse/fuse.h              |   3 +-
 lib/librefuse/refuse/Makefile.inc |   4 ++-
 lib/librefuse/refuse/poll.c       |  51 ++++++++++++++++++++++++++++++++++
 lib/librefuse/refuse/poll.h       |  57 +++++++++++++++++++++++++++++++++++++++
 6 files changed, 117 insertions(+), 4 deletions(-)

diffs (183 lines):

diff -r 1f7bc4d040a4 -r 49031527aa2d distrib/sets/lists/comp/mi
--- a/distrib/sets/lists/comp/mi        Sat Jan 22 07:54:56 2022 +0000
+++ b/distrib/sets/lists/comp/mi        Sat Jan 22 07:56:15 2022 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: mi,v 1.2406 2022/01/22 07:54:56 pho Exp $
+#      $NetBSD: mi,v 1.2407 2022/01/22 07:56:15 pho Exp $
 #
 # Note: don't delete entries from here - mark them as "obsolete" instead.
 ./etc/mtree/set.comp                           comp-sys-root
@@ -3093,6 +3093,7 @@
 ./usr/include/readline/history.h               comp-c-include
 ./usr/include/readline/readline.h              comp-c-include
 ./usr/include/refuse/buf.h                     comp-refuse-include
+./usr/include/refuse/poll.h                    comp-refuse-include
 ./usr/include/refuse/session.h                 comp-refuse-include
 ./usr/include/regex.h                          comp-c-include
 ./usr/include/regexp.h                         comp-c-include
diff -r 1f7bc4d040a4 -r 49031527aa2d lib/librefuse/TODO
--- a/lib/librefuse/TODO        Sat Jan 22 07:54:56 2022 +0000
+++ b/lib/librefuse/TODO        Sat Jan 22 07:56:15 2022 +0000
@@ -1,4 +1,4 @@
-       $NetBSD: TODO,v 1.5 2022/01/22 07:54:57 pho Exp $
+       $NetBSD: TODO,v 1.6 2022/01/22 07:56:16 pho Exp $
 
 To Do
 =====
@@ -11,6 +11,7 @@
 do proper implementations of dirfillers
 statfs - some fuse file systems want struct statfs and we only have
          statvfs available natively
+Support polling appeared on FUSE 2.8 (struct fuse_pollhandle).
 Support data buffers appeared on FUSE 2.9 (struct fuse_buf).
 
 Done
diff -r 1f7bc4d040a4 -r 49031527aa2d lib/librefuse/fuse.h
--- a/lib/librefuse/fuse.h      Sat Jan 22 07:54:56 2022 +0000
+++ b/lib/librefuse/fuse.h      Sat Jan 22 07:56:15 2022 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: fuse.h,v 1.26 2022/01/22 07:54:57 pho Exp $ */
+/* $NetBSD: fuse.h,v 1.27 2022/01/22 07:56:16 pho Exp $ */
 
 /*
  * Copyright © 2007 Alistair Crooks.  All rights reserved.
@@ -31,6 +31,7 @@
 #define FUSE_H_        20211204
 
 #include <refuse/buf.h>
+#include <refuse/poll.h>
 #include <refuse/session.h>
 #include <sys/cdefs.h>
 #include <sys/stat.h>
diff -r 1f7bc4d040a4 -r 49031527aa2d lib/librefuse/refuse/Makefile.inc
--- a/lib/librefuse/refuse/Makefile.inc Sat Jan 22 07:54:56 2022 +0000
+++ b/lib/librefuse/refuse/Makefile.inc Sat Jan 22 07:56:15 2022 +0000
@@ -1,9 +1,11 @@
-# $NetBSD: Makefile.inc,v 1.2 2022/01/22 07:54:57 pho Exp $
+# $NetBSD: Makefile.inc,v 1.3 2022/01/22 07:56:16 pho Exp $
 
 .PATH: ${.CURDIR}/refuse
 
 SRCS+= buf.c
+SRCS+= poll.c
 SRCS+= session.c
 
 INCS+= refuse/buf.h
+INCS+= refuse/poll.h
 INCS+= refuse/session.h
diff -r 1f7bc4d040a4 -r 49031527aa2d lib/librefuse/refuse/poll.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/librefuse/refuse/poll.c       Sat Jan 22 07:56:15 2022 +0000
@@ -0,0 +1,51 @@
+/* $NetBSD: poll.c,v 1.1 2022/01/22 07:56:16 pho Exp $ */
+
+/*
+ * Copyright (c) 2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+#if !defined(lint)
+__RCSID("$NetBSD: poll.c,v 1.1 2022/01/22 07:56:16 pho Exp $");
+#endif /* !lint */
+
+#include <fuse_internal.h>
+
+/* XXX: ReFUSE doesn't support polling at the moment. It doesn't
+ * implement puffs_node_poll(), and will never invoke
+ * fuse_operations.poll(). So there is no valid way for a FUSE
+ * filesystem to actually call these functions. */
+
+int
+fuse_notify_poll(struct fuse_pollhandle *ph) {
+    return 0;
+}
+
+void
+fuse_pollhandle_destroy(struct fuse_pollhandle *ph) {
+}
diff -r 1f7bc4d040a4 -r 49031527aa2d lib/librefuse/refuse/poll.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/librefuse/refuse/poll.h       Sat Jan 22 07:56:15 2022 +0000
@@ -0,0 +1,57 @@
+/* $NetBSD: poll.h,v 1.1 2022/01/22 07:56:16 pho Exp $ */
+
+/*
+ * Copyright (c) 2021 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#if !defined(_FUSE_POLL_H_)
+#define _FUSE_POLL_H_
+
+/* Polling API, appeared on FUSE 2.8 */
+
+#if !defined(FUSE_H_)
+#  error Do not include this header directly. Include <fuse.h> instead.
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* A private structure for polling, appeared on FUSE 2.8. */
+struct fuse_pollhandle;
+
+/* Notify the kernel of an IO readiness event. Appeared on FUSE 2.8. */
+int fuse_notify_poll(struct fuse_pollhandle *ph);
+
+/* Destroy a poll handle. Appeared on FUSE 2.8. */
+void fuse_pollhandle_destroy(struct fuse_pollhandle *ph);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif