* under which unlinked files will be stored for as long as a reference to them
* is held.
*/
-LTTNG_HIDDEN
struct fd_tracker *fd_tracker_create(const char *unlinked_file_path,
unsigned int capacity);
/* Returns an error if file descriptors are leaked. */
-LTTNG_HIDDEN
int fd_tracker_destroy(struct fd_tracker *tracker);
/*
* (e.g. truncation) may react differently than if the file descriptor was kept
* open.
*/
-LTTNG_HIDDEN
struct fs_handle *fd_tracker_open_fs_handle(struct fd_tracker *tracker,
struct lttng_directory_handle *directory,
const char *path,
* negative tracker-specific codes may be returned:
* - ENOMEM: allocation of a new entry failed,
* - EMFILE: too many unsuspendable fds are opened and the tracker can't
- * accomodate the request for a new unsuspendable entry.
+ * accommodates the request for a new unsuspendable entry.
*/
-LTTNG_HIDDEN
int fd_tracker_open_unsuspendable_fd(struct fd_tracker *tracker,
int *out_fds,
const char **names,
* Closed fds are set to -1 in the fds array which, in the event of an error,
* allows the user to know which file descriptors are no longer being tracked.
*/
-LTTNG_HIDDEN
int fd_tracker_close_unsuspendable_fd(struct fd_tracker *tracker,
int *fds,
unsigned int fd_count,
/*
* Log the contents of the fd_tracker.
*/
-LTTNG_HIDDEN
void fd_tracker_log(struct fd_tracker *tracker);
/*
* Returns the fd on success, otherwise a negative value may be returned
* if the restoration of the fd failed.
*/
-LTTNG_HIDDEN
int fs_handle_get_fd(struct fs_handle *handle);
/*
* Used by the application to signify that it is no longer using the
* underlying fd and that it may be suspended.
*/
-LTTNG_HIDDEN
void fs_handle_put_fd(struct fs_handle *handle);
/*
* Returns 0 on success, otherwise a negative value will be returned
* if the operation failed.
*/
-LTTNG_HIDDEN
int fs_handle_unlink(struct fs_handle *handle);
/*
* Frees the handle and discards the underlying fd.
*/
-LTTNG_HIDDEN
int fs_handle_close(struct fs_handle *handle);
#endif /* FD_TRACKER_H */