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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef _FD_MAN_H_
#define _FD_MAN_H_
#include <stdint.h>
#include <pthread.h>
#include <poll.h>
#define MAX_FDS 1024
typedef void (*fd_cb)(int fd, void *dat, int *remove);
struct fdentry {
int fd; /* -1 indicates this entry is empty */
fd_cb rcb; /* callback when this fd is readable. */
fd_cb wcb; /* callback when this fd is writeable.*/
void *dat; /* fd context */
int busy; /* whether this entry is being used in cb. */
};
struct fdset {
struct pollfd rwfds[MAX_FDS];
struct fdentry fd[MAX_FDS];
pthread_mutex_t fd_mutex;
pthread_mutex_t fd_pooling_mutex;
int num; /* current fd number of this fdset */
union pipefds {
struct {
int pipefd[2];
};
struct {
int readfd;
int writefd;
};
} u;
};
void fdset_init(struct fdset *pfdset);
int fdset_add(struct fdset *pfdset, int fd,
fd_cb rcb, fd_cb wcb, void *dat);
void *fdset_del(struct fdset *pfdset, int fd);
int fdset_try_del(struct fdset *pfdset, int fd);
void *fdset_event_dispatch(void *arg);
int fdset_pipe_init(struct fdset *fdset);
void fdset_pipe_uninit(struct fdset *fdset);
void fdset_pipe_notify(struct fdset *fdset);
#endif
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