[thirdparty/systemd.git] / src / shared / fdset.h

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once

#include "forward.h"
#include "iterator.h"

FDSet* fdset_new(void);
FDSet* fdset_free(FDSet *s);
FDSet* fdset_free_async(FDSet *s);

int fdset_put(FDSet *s, int fd);
int fdset_consume(FDSet *s, int fd);
int fdset_put_dup(FDSet *s, int fd);

bool fdset_contains(FDSet *s, int fd);
int fdset_remove(FDSet *s, int fd);

int fdset_new_array(FDSet **ret, const int *fds, size_t n_fds);
int fdset_new_fill(int filter_cloexec, FDSet **ret);
int fdset_new_listen_fds(FDSet **ret, bool unset);

int fdset_cloexec(FDSet *fds, bool b);

int fdset_to_array(FDSet *fds, int **ret);

int fdset_close_others(FDSet *fds);

unsigned fdset_size(FDSet *fds);
bool fdset_isempty(FDSet *fds);

int fdset_iterate(FDSet *s, Iterator *i);

int fdset_steal_first(FDSet *fds);

void fdset_close(FDSet *fds, bool async);

#define _FDSET_FOREACH(fd, fds, i) \
        for (Iterator i = ITERATOR_FIRST; ((fd) = fdset_iterate((fds), &i)) >= 0; )
#define FDSET_FOREACH(fd, fds) \
        _FDSET_FOREACH(fd, fds, UNIQ_T(i, UNIQ))

DEFINE_TRIVIAL_CLEANUP_FUNC(FDSet*, fdset_free);
#define _cleanup_fdset_free_ _cleanup_(fdset_freep)

DEFINE_TRIVIAL_CLEANUP_FUNC(FDSet*, fdset_free_async);
Commit	Line	Data
	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
	2	#pragma once
	3
	4	#include "forward.h"
	5	#include "iterator.h"
	6
	7	FDSet* fdset_new(void);
	8	FDSet* fdset_free(FDSet *s);
	9	FDSet* fdset_free_async(FDSet *s);
	10
	11	int fdset_put(FDSet *s, int fd);
	12	int fdset_consume(FDSet *s, int fd);
	13	int fdset_put_dup(FDSet *s, int fd);
	14
	15	bool fdset_contains(FDSet *s, int fd);
	16	int fdset_remove(FDSet *s, int fd);
	17
	18	int fdset_new_array(FDSet *ret, const int fds, size_t n_fds);
	19	int fdset_new_fill(int filter_cloexec, FDSet **ret);
	20	int fdset_new_listen_fds(FDSet **ret, bool unset);
	21
	22	int fdset_cloexec(FDSet *fds, bool b);
	23
	24	int fdset_to_array(FDSet fds, int *ret);
	25
	26	int fdset_close_others(FDSet *fds);
	27
	28	unsigned fdset_size(FDSet *fds);
	29	bool fdset_isempty(FDSet *fds);
	30
	31	int fdset_iterate(FDSet s, Iterator i);
	32
	33	int fdset_steal_first(FDSet *fds);
	34
	35	void fdset_close(FDSet *fds, bool async);
	36
	37	#define _FDSET_FOREACH(fd, fds, i) \
	38	for (Iterator i = ITERATOR_FIRST; ((fd) = fdset_iterate((fds), &i)) >= 0; )
	39	#define FDSET_FOREACH(fd, fds) \
	40	_FDSET_FOREACH(fd, fds, UNIQ_T(i, UNIQ))
	41
	42	DEFINE_TRIVIAL_CLEANUP_FUNC(FDSet*, fdset_free);
	43	#define _cleanup_fdset_free_ _cleanup_(fdset_freep)
	44
	45	DEFINE_TRIVIAL_CLEANUP_FUNC(FDSet*, fdset_free_async);