/*
 * Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
 * Copyright (c) 2017-2020 The strace developers.
 * All rights reserved.
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 */

#ifndef STRACE_NUMBER_SET_H
# define STRACE_NUMBER_SET_H

# include "gcc_compat.h"

struct number_set;

extern bool
number_set_array_is_empty(const struct number_set *, unsigned int idx);

extern bool
is_number_in_set(unsigned int number, const struct number_set *);

extern bool
is_number_in_set_array(unsigned int number, const struct number_set *, unsigned int idx);

extern bool
is_complete_set(const struct number_set *, unsigned int max_numbers);

extern bool
is_complete_set_array(const struct number_set *, const unsigned int *,
		      const unsigned int nmemb);

extern void
add_number_to_set(unsigned int number, struct number_set *);

extern void
add_number_to_set_array(unsigned int number, struct number_set *, unsigned int idx);

extern void
clear_number_set_array(struct number_set *, unsigned int nmemb);

extern void
invert_number_set_array(struct number_set *, unsigned int nmemb);

extern struct number_set *
alloc_number_set_array(unsigned int nmemb) ATTRIBUTE_MALLOC;

extern void
free_number_set_array(struct number_set *, unsigned int nmemb);

enum status_t {
	STATUS_SUCCESSFUL,
	STATUS_FAILED,
	STATUS_UNFINISHED,
	STATUS_UNAVAILABLE,
	STATUS_DETACHED,
	NUMBER_OF_STATUSES
};

enum quiet_bits {
	/** Do not print messages on tracee attach/detach. */
	QUIET_ATTACH,
	/** Do not print messages on tracee exits. */
	QUIET_EXIT,
	/** Do not print messages about path tracing path resolution. */
	QUIET_PATH_RESOLVE,
	/** Do not print messages on personality change. */
	QUIET_PERSONALITY,
	/** Do not print messages on superseding execve. */
	QUIET_THREAD_EXECVE,

	NUM_QUIET_BITS
};

enum decode_fd_bits {
	DECODE_FD_PATH,
	DECODE_FD_SOCKET,
	DECODE_FD_DEV,
	DECODE_FD_PIDFD,

	NUM_DECODE_FD_BITS
};

extern bool quiet_set_updated;
extern bool decode_fd_set_updated;

extern struct number_set *read_set;
extern struct number_set *write_set;
extern struct number_set *signal_set;
extern struct number_set *status_set;
extern struct number_set *quiet_set;
extern struct number_set *decode_fd_set;
extern struct number_set *trace_set;

#endif /* !STRACE_NUMBER_SET_H */
