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authorpho <pho@NetBSD.org>2022-01-22 07:56:15 +0000
committerpho <pho@NetBSD.org>2022-01-22 07:56:15 +0000
commit6dd72ff4091768d03bdc474eaa9c511476acb1d8 (patch)
treead05052f1b143f875f091caf5460a9356d500d5e /lib/librefuse/refuse
parent33a97e9cea7f152084f5b8dd290428e47eec6306 (diff)
lib/librefuse: Add stub functions for FUSE polling API
Diffstat (limited to 'lib/librefuse/refuse')
-rw-r--r--lib/librefuse/refuse/Makefile.inc4
-rw-r--r--lib/librefuse/refuse/poll.c51
-rw-r--r--lib/librefuse/refuse/poll.h57
3 files changed, 111 insertions, 1 deletions
diff --git a/lib/librefuse/refuse/Makefile.inc b/lib/librefuse/refuse/Makefile.inc
index a3259c18c5b..478e7bf6341 100644
--- a/lib/librefuse/refuse/Makefile.inc
+++ b/lib/librefuse/refuse/Makefile.inc
@@ -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 --git a/lib/librefuse/refuse/poll.c b/lib/librefuse/refuse/poll.c
new file mode 100644
index 00000000000..769c7089f96
--- /dev/null
+++ b/lib/librefuse/refuse/poll.c
@@ -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 --git a/lib/librefuse/refuse/poll.h b/lib/librefuse/refuse/poll.h
new file mode 100644
index 00000000000..51e4a235c76
--- /dev/null
+++ b/lib/librefuse/refuse/poll.h
@@ -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