socket_select.h

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/*
 * Copyright (c) 2019 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_NET_SOCKET_SELECT_H_
#define ZEPHYR_INCLUDE_NET_SOCKET_SELECT_H_
 
#include <time.h>
 
#include <zephyr/toolchain.h>
#include <zephyr/net/socket_types.h>
#include <zephyr/sys/fdtable.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct zvfs_fd_set zsock_fd_set;
 
static inline int zsock_select(int nfds, zsock_fd_set *readfds, zsock_fd_set *writefds,
                               zsock_fd_set *exceptfds, struct zsock_timeval *timeout)
{
        struct timespec to = {
                .tv_sec = (timeout == NULL) ? 0 : timeout->tv_sec,
                .tv_nsec = (long)((timeout == NULL) ? 0 : timeout->tv_usec * NSEC_PER_USEC)};
 
        return zvfs_select(nfds, readfds, writefds, exceptfds, (timeout == NULL) ? NULL : &to,
                           NULL);
}
 
#define ZSOCK_FD_SETSIZE ZVFS_FD_SETSIZE
 
static inline void ZSOCK_FD_ZERO(zsock_fd_set *set)
{
        ZVFS_FD_ZERO(set);
}
 
static inline int ZSOCK_FD_ISSET(int fd, zsock_fd_set *set)
{
        return ZVFS_FD_ISSET(fd, set);
}
 
static inline void ZSOCK_FD_CLR(int fd, zsock_fd_set *set)
{
        ZVFS_FD_CLR(fd, set);
}
 
static inline void ZSOCK_FD_SET(int fd, zsock_fd_set *set)
{
        ZVFS_FD_SET(fd, set);
}
 
#ifdef CONFIG_NET_SOCKETS_POSIX_NAMES
 
#define fd_set zsock_fd_set
#define FD_SETSIZE ZSOCK_FD_SETSIZE
 
static inline int select(int nfds, zsock_fd_set *readfds,
                         zsock_fd_set *writefds, zsock_fd_set *exceptfds,
                         struct timeval *timeout)
{
        return zsock_select(nfds, readfds, writefds, exceptfds, timeout);
}
 
static inline void FD_ZERO(zsock_fd_set *set)
{
        ZSOCK_FD_ZERO(set);
}
 
static inline int FD_ISSET(int fd, zsock_fd_set *set)
{
        return ZSOCK_FD_ISSET(fd, set);
}
 
static inline void FD_CLR(int fd, zsock_fd_set *set)
{
        ZSOCK_FD_CLR(fd, set);
}
 
static inline void FD_SET(int fd, zsock_fd_set *set)
{
        ZSOCK_FD_SET(fd, set);
}
 
#endif /* CONFIG_NET_SOCKETS_POSIX_NAMES */
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_NET_SOCKET_SELECT_H_ */