[lttng-tools.git] / src / common / fs-handle-internal.hpp

/*
 * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#ifndef FS_HANDLE_INTERNAL_H
#define FS_HANDLE_INTERNAL_H

struct fs_handle;

/*
 * Multiple internal APIs return fs_handles. For the moment, this internal
 * interface allows the use of different fs_handle implementations in different
 * daemons. For instance, the trace chunk interface returns fs_handles that
 * behave diffently depending on whether or not the trace chunk was configured
 * to use an fd-tracker.
 */

using fs_handle_get_fd_cb = int (*)(struct fs_handle *);
using fs_handle_put_fd_cb = void (*)(struct fs_handle *);
using fs_handle_unlink_cb = int (*)(struct fs_handle *);
using fs_handle_close_cb = int (*)(struct fs_handle *);

struct fs_handle {
	fs_handle_get_fd_cb get_fd;
	fs_handle_put_fd_cb put_fd;
	fs_handle_unlink_cb unlink;
	fs_handle_close_cb close;
};

#endif /* FS_HANDLE_INTERNAL_H */
Commit	Line	Data
f5ea0241	1	/*
ab5be9fa	2	* Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
f5ea0241	3	*
ab5be9fa	4	* SPDX-License-Identifier: LGPL-2.1-only
f5ea0241	5	*
f5ea0241 JG	6	*/
	7
	8	#ifndef FS_HANDLE_INTERNAL_H
	9	#define FS_HANDLE_INTERNAL_H
	10
	11	struct fs_handle;
	12
	13	/*
	14	* Multiple internal APIs return fs_handles. For the moment, this internal
	15	* interface allows the use of different fs_handle implementations in different
	16	* daemons. For instance, the trace chunk interface returns fs_handles that
	17	* behave diffently depending on whether or not the trace chunk was configured
	18	* to use an fd-tracker.
	19	*/
	20
e665dfbc JG	21	using fs_handle_get_fd_cb = int ()(struct fs_handle );
	22	using fs_handle_put_fd_cb = void ()(struct fs_handle );
	23	using fs_handle_unlink_cb = int ()(struct fs_handle );
	24	using fs_handle_close_cb = int ()(struct fs_handle );
f5ea0241 JG	25
	26	struct fs_handle {
	27	fs_handle_get_fd_cb get_fd;
	28	fs_handle_put_fd_cb put_fd;
	29	fs_handle_unlink_cb unlink;
	30	fs_handle_close_cb close;
	31	};
	32
	33	#endif /* FS_HANDLE_INTERNAL_H */