Clean-up: sessiond: cmd_enable_channel_internal
[lttng-tools.git] / src / common / fd-tracker / utils.h
1 /*
2 * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-only
5 *
6 */
7
8 #ifndef FD_TRACKER_UTILS_H
9 #define FD_TRACKER_UTILS_H
10
11 #include <common/compat/directory-handle.h>
12 #include <common/fd-tracker/fd-tracker.h>
13 #include <common/macros.h>
14
15 struct lttng_poll_event;
16
17 /*
18 * Utility implementing a close_fd callback which receives one file descriptor
19 * and closes it, returning close()'s return value.
20 */
21 int fd_tracker_util_close_fd(void *, int *fd);
22
23 /*
24 * Create a pipe and track its underlying fds.
25 */
26 int fd_tracker_util_pipe_open_cloexec(
27 struct fd_tracker *tracker, const char *name, int *pipe);
28 int fd_tracker_util_pipe_close(struct fd_tracker *tracker, int *pipe);
29
30 /*
31 * Create a poll event and track its underlying fd, if applicable.
32 */
33 int fd_tracker_util_poll_create(struct fd_tracker *tracker,
34 const char *name,
35 struct lttng_poll_event *events,
36 int size,
37 int flags);
38 int fd_tracker_util_poll_clean(
39 struct fd_tracker *tracker, struct lttng_poll_event *events);
40
41 struct lttng_directory_handle *fd_tracker_create_directory_handle(
42 struct fd_tracker *tracker, const char *path);
43
44 struct lttng_directory_handle *fd_tracker_create_directory_handle_from_handle(
45 struct fd_tracker *tracker,
46 struct lttng_directory_handle *handle,
47 const char *path);
48
49 #endif /* FD_TRACKER_UTILS_H */
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