Fix: Use 2.12 custom mutex nest getter

[lttng-ust.git] / src / common / ust-fd.h

/*
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#ifndef _LTTNG_UST_FD_H
#define _LTTNG_UST_FD_H

/*
 * The fd tracker feature is part of the ABI and used by liblttng-ust-fd.
 * However, some test code and documentation needs to be written before it is
 * exposed to users with a public header.
 *
 * These symbols are provided by 'liblttng-ust-common'.
 */

#include <stdio.h>
#include <lttng/ust-config.h>

/* Custom upgrade 2.12 to 2.13 */

#ifndef LTTNG_UST_CUSTOM_UPGRADE_CONFLICTING_SYMBOLS
#define lttng_ust_add_fd_to_tracker		lttng_ust_add_fd_to_tracker1
#define lttng_ust_delete_fd_from_tracker	lttng_ust_delete_fd_from_tracker1
#define lttng_ust_lock_fd_tracker		lttng_ust_lock_fd_tracker1
#define lttng_ust_unlock_fd_tracker		lttng_ust_unlock_fd_tracker1
#define lttng_ust_safe_close_fd			lttng_ust_safe_close_fd1
#define lttng_ust_safe_fclose_stream		lttng_ust_safe_fclose_stream1
#define lttng_ust_safe_closefrom_fd		lttng_ust_safe_closefrom_fd1
#endif

int lttng_ust_add_fd_to_tracker(int fd);
void lttng_ust_delete_fd_from_tracker(int fd);
void lttng_ust_lock_fd_tracker(void);
void lttng_ust_unlock_fd_tracker(void);

int lttng_ust_safe_close_fd(int fd, int (*close_cb)(int));
int lttng_ust_safe_fclose_stream(FILE *stream, int (*fclose_cb)(FILE *stream));
int lttng_ust_safe_closefrom_fd(int lowfd, int (*close_cb)(int));

#endif	/* _LTTNG_UST_FD_H */