libhv/event/iowatcher.h

#ifndef IO_WATCHER_H_
#define IO_WATCHER_H_

#include "hloop.h"

#include "hplatform.h"
#if !defined(EVENT_SELECT) &&   \
    !defined(EVENT_EPOLL) &&    \
    !defined(EVENT_POLL) &&     \
    !defined(EVENT_KQUEUE) &&   \
    !defined(EVENT_IOCP) &&     \
    !defined(EVENT_PORT) &&     \
    !defined(EVENT_NOEVENT)
#ifdef OS_WIN
//#define EVENT_IOCP // IOCP improving
#define EVENT_POLL
#elif defined(OS_LINUX)
#define EVENT_EPOLL
#elif defined(OS_MAC)
#define EVENT_KQUEUE
#elif defined(OS_BSD)
#define EVENT_KQUEUE
#else
#define EVENT_SELECT
#endif
#endif

static inline const char* iowatcher_name() {
#ifdef EVENT_SELECT
    return  "select";
#elif defined(EVENT_POLL)
    return  "poll";
#elif defined(EVENT_EPOLL)
    return  "epoll";
#elif defined(EVENT_KQUEUE)
    return  "kqueue";
#elif defined(EVENT_IOCP)
    return  "iocp";
#elif defined(EVENT_PORT)
    return  "evport";
#else
    return  "noevent";
#endif
}

int iowatcher_init(hloop_t* loop);
int iowatcher_cleanup(hloop_t* loop);
int iowatcher_add_event(hloop_t* loop, int fd, int events);
int iowatcher_del_event(hloop_t* loop, int fd, int events);
int iowatcher_poll_events(hloop_t* loop, int timeout);

#endif