1 files changed, 298 insertions, 0 deletions

diff --git a/fuse/include/fuse_common.h b/fuse/include/fuse_common.h
new file mode 100644
index 000000000..48c07468d
--- /dev/null
+++ b/fuse/include/fuse_common.h
@@ -0,0 +1,298 @@
+/*
+  FUSE: Filesystem in Userspace
+  Copyright (C) 2001-2007  Miklos Szeredi <miklos@szeredi.hu>
+
+  This program can be distributed under the terms of the GNU LGPLv2.
+  See the file COPYING.LIB.
+*/
+
+/** @file */
+
+#if !defined(_FUSE_H_) && !defined(_FUSE_LOWLEVEL_H_)
+#error "Never include <fuse_common.h> directly; use <fuse.h> or <fuse_lowlevel.h> instead."
+#endif
+
+#ifndef _FUSE_COMMON_H_
+#define _FUSE_COMMON_H_
+
+#include "fuse_opt.h"
+#include <stdint.h>
+
+/** Major version of FUSE library interface */
+#define FUSE_MAJOR_VERSION 2
+
+/** Minor version of FUSE library interface */
+#define FUSE_MINOR_VERSION 8
+
+#define FUSE_MAKE_VERSION(maj, min)  ((maj) * 10 + (min))
+#define FUSE_VERSION 26
+//#define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION)
+
+/* This interface uses 64 bit off64_t */
+#if _FILE_OFFSET_BITS != 64
+#error Please add -D_FILE_OFFSET_BITS=64 to your compile flags!
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Information about open files
+ *
+ * Changed in version 2.5
+ */
+struct fuse_file_info {
+	/** Open flags.	 Available in open() and release() */
+	int flags;
+
+	/** Old file handle, don't use */
+	unsigned long fh_old;
+
+	/** In case of a write operation indicates if this was caused by a
+	    writepage */
+	int writepage;
+
+	/** Can be filled in by open, to use direct I/O on this file.
+	    Introduced in version 2.4 */
+	unsigned int direct_io : 1;
+
+	/** Can be filled in by open, to indicate, that cached file data
+	    need not be invalidated.  Introduced in version 2.4 */
+	unsigned int keep_cache : 1;
+
+	/** Indicates a flush operation.  Set in flush operation, also
+	    maybe set in highlevel lock operation and lowlevel release
+	    operation.	Introduced in version 2.6 */
+	unsigned int flush : 1;
+
+	/** Can be filled in by open, to indicate that the file is not
+	    seekable.  Introduced in version 2.8 */
+	unsigned int nonseekable : 1;
+
+	/** Padding.  Do not use*/
+	unsigned int padding : 28;
+
+	/** File handle.  May be filled in by filesystem in open().
+	    Available in all other file operations */
+	uint64_t fh;
+
+	/** Lock owner id.  Available in locking operations and flush */
+	uint64_t lock_owner;
+};
+
+/**
+ * Capability bits for 'fuse_conn_info.capable' and 'fuse_conn_info.want'
+ *
+ * FUSE_CAP_ASYNC_READ: filesystem supports asynchronous read requests
+ * FUSE_CAP_POSIX_LOCKS: filesystem supports "remote" locking
+ * FUSE_CAP_ATOMIC_O_TRUNC: filesystem handles the O_TRUNC open flag
+ * FUSE_CAP_EXPORT_SUPPORT: filesystem handles lookups of "." and ".."
+ * FUSE_CAP_BIG_WRITES: filesystem can handle write size larger than 4kB
+ * FUSE_CAP_DONT_MASK: don't apply umask to file mode on create operations
+ */
+#define FUSE_CAP_ASYNC_READ	(1 << 0)
+#define FUSE_CAP_POSIX_LOCKS	(1 << 1)
+#define FUSE_CAP_ATOMIC_O_TRUNC	(1 << 3)
+#define FUSE_CAP_EXPORT_SUPPORT	(1 << 4)
+#define FUSE_CAP_BIG_WRITES	(1 << 5)
+#define FUSE_CAP_DONT_MASK	(1 << 6)
+
+/**
+ * Ioctl flags
+ *
+ * FUSE_IOCTL_COMPAT: 32bit compat ioctl on 64bit machine
+ * FUSE_IOCTL_UNRESTRICTED: not restricted to well-formed ioctls, retry allowed
+ * FUSE_IOCTL_RETRY: retry with new iovecs
+ *
+ * FUSE_IOCTL_MAX_IOV: maximum of in_iovecs + out_iovecs
+ */
+#define FUSE_IOCTL_COMPAT	(1 << 0)
+#define FUSE_IOCTL_UNRESTRICTED	(1 << 1)
+#define FUSE_IOCTL_RETRY	(1 << 2)
+
+#define FUSE_IOCTL_MAX_IOV	256
+
+/**
+ * Connection information, passed to the ->init() method
+ *
+ * Some of the elements are read-write, these can be changed to
+ * indicate the value requested by the filesystem.  The requested
+ * value must usually be smaller than the indicated value.
+ */
+struct fuse_conn_info {
+	/**
+	 * Major version of the protocol (read-only)
+	 */
+	unsigned proto_major;
+
+	/**
+	 * Minor version of the protocol (read-only)
+	 */
+	unsigned proto_minor;
+
+	/**
+	 * Is asynchronous read supported (read-write)
+	 */
+	unsigned async_read;
+
+	/**
+	 * Maximum size of the write buffer
+	 */
+	unsigned max_write;
+
+	/**
+	 * Maximum readahead
+	 */
+	unsigned max_readahead;
+
+	/**
+	 * Capability flags, that the kernel supports
+	 */
+	unsigned capable;
+
+	/**
+	 * Capability flags, that the filesystem wants to enable
+	 */
+	unsigned want;
+
+	/**
+	 * For future use.
+	 */
+	unsigned reserved[25];
+};
+
+struct fuse_session;
+struct fuse_chan;
+struct fuse_pollhandle;
+
+/**
+ * Create a FUSE mountpoint
+ *
+ * Returns a control file descriptor suitable for passing to
+ * fuse_new()
+ *
+ * @param mountpoint the mount point path
+ * @param args argument vector
+ * @return the communication channel on success, NULL on failure
+ */
+struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args);
+
+/**
+ * Umount a FUSE mountpoint
+ *
+ * @param mountpoint the mount point path
+ * @param ch the communication channel
+ */
+void fuse_unmount(const char *mountpoint, struct fuse_chan *ch);
+
+/**
+ * Parse common options
+ *
+ * The following options are parsed:
+ *
+ *   '-f'	     foreground
+ *   '-d' '-odebug'  foreground, but keep the debug option
+ *   '-s'	     single threaded
+ *   '-h' '--help'   help
+ *   '-ho'	     help without header
+ *   '-ofsname=..'   file system name, if not present, then set to the program
+ *		     name
+ *
+ * All parameters may be NULL
+ *
+ * @param args argument vector
+ * @param mountpoint the returned mountpoint, should be freed after use
+ * @param multithreaded set to 1 unless the '-s' option is present
+ * @param foreground set to 1 if one of the relevant options is present
+ * @return 0 on success, -1 on failure
+ */
+int fuse_parse_cmdline(struct fuse_args *args, char **mountpoint,
+		       int *multithreaded, int *foreground);
+
+/**
+ * Go into the background
+ *
+ * @param foreground if true, stay in the foreground
+ * @return 0 on success, -1 on failure
+ */
+int fuse_daemonize(int foreground);
+
+/**
+ * Get the version of the library
+ *
+ * @return the version
+ */
+int fuse_version(void);
+
+/**
+ * Destroy poll handle
+ *
+ * @param ph the poll handle
+ */
+void fuse_pollhandle_destroy(struct fuse_pollhandle *ph);
+
+/* ----------------------------------------------------------- *
+ * Signal handling					       *
+ * ----------------------------------------------------------- */
+
+/**
+ * Exit session on HUP, TERM and INT signals and ignore PIPE signal
+ *
+ * Stores session in a global variable.	 May only be called once per
+ * process until fuse_remove_signal_handlers() is called.
+ *
+ * @param se the session to exit
+ * @return 0 on success, -1 on failure
+ */
+int fuse_set_signal_handlers(struct fuse_session *se);
+
+/**
+ * Restore default signal handlers
+ *
+ * Resets global session.  After this fuse_set_signal_handlers() may
+ * be called again.
+ *
+ * @param se the same session as given in fuse_set_signal_handlers()
+ */
+void fuse_remove_signal_handlers(struct fuse_session *se);
+
+/* ----------------------------------------------------------- *
+ * Compatibility stuff					       *
+ * ----------------------------------------------------------- */
+
+#if FUSE_USE_VERSION < 26
+#    ifdef __FreeBSD__
+#	 if FUSE_USE_VERSION < 25
+#	     error On FreeBSD API version 25 or greater must be used
+#	 endif
+#    endif
+#    include "fuse_common_compat.h"
+#    undef FUSE_MINOR_VERSION
+#    undef fuse_main
+#    define fuse_unmount fuse_unmount_compat22
+#    if FUSE_USE_VERSION == 25
+#	 define FUSE_MINOR_VERSION 5
+#	 define fuse_mount fuse_mount_compat25
+#    elif FUSE_USE_VERSION == 24 || FUSE_USE_VERSION == 22
+#	 define FUSE_MINOR_VERSION 4
+#	 define fuse_mount fuse_mount_compat22
+#    elif FUSE_USE_VERSION == 21
+#	 define FUSE_MINOR_VERSION 1
+#	 define fuse_mount fuse_mount_compat22
+#    elif FUSE_USE_VERSION == 11
+#	 warning Compatibility with API version 11 is deprecated
+#	 undef FUSE_MAJOR_VERSION
+#	 define FUSE_MAJOR_VERSION 1
+#	 define FUSE_MINOR_VERSION 1
+#	 define fuse_mount fuse_mount_compat1
+#    else
+#	 error Compatibility with API version other than 21, 22, 24, 25 and 11 not supported
+#    endif
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FUSE_COMMON_H_ */