| 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 | LTTNG_HIDDEN |
| 22 | int fd_tracker_util_close_fd(void *, int *fd); |
| 23 | |
| 24 | /* |
| 25 | * Create a pipe and track its underlying fds. |
| 26 | */ |
| 27 | LTTNG_HIDDEN |
| 28 | int fd_tracker_util_pipe_open_cloexec( |
| 29 | struct fd_tracker *tracker, const char *name, int *pipe); |
| 30 | LTTNG_HIDDEN |
| 31 | int fd_tracker_util_pipe_close(struct fd_tracker *tracker, int *pipe); |
| 32 | |
| 33 | /* |
| 34 | * Create a poll event and track its underlying fd, if applicable. |
| 35 | */ |
| 36 | LTTNG_HIDDEN |
| 37 | int fd_tracker_util_poll_create(struct fd_tracker *tracker, |
| 38 | const char *name, |
| 39 | struct lttng_poll_event *events, |
| 40 | int size, |
| 41 | int flags); |
| 42 | LTTNG_HIDDEN |
| 43 | int fd_tracker_util_poll_clean( |
| 44 | struct fd_tracker *tracker, struct lttng_poll_event *events); |
| 45 | |
| 46 | LTTNG_HIDDEN |
| 47 | struct lttng_directory_handle *fd_tracker_create_directory_handle( |
| 48 | struct fd_tracker *tracker, const char *path); |
| 49 | |
| 50 | LTTNG_HIDDEN |
| 51 | struct lttng_directory_handle *fd_tracker_create_directory_handle_from_handle( |
| 52 | struct fd_tracker *tracker, |
| 53 | struct lttng_directory_handle *handle, |
| 54 | const char *path); |
| 55 | |
| 56 | #endif /* FD_TRACKER_UTILS_H */ |