lokinet/llarp/win32_upoll.h

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#ifndef _UPOLL_H_
#define _UPOLL_H_
#include "win32_up.h"
#if(defined(__64BIT__) || defined(__x86_64__))
#define __IS_64BIT__
#else
#define __IS_32BIT__
#endif
#if(defined WIN32 || defined _WIN32)
#undef __WINDOWS__
#define __WINDOWS__
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0500
#endif
#include <sys/types.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include <stdio.h>
#include <stdint.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
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// this is probably big enough to get
// the lesser of 4096 sockets or whatever
// the system allows
#ifndef FD_SETSIZE
#define FD_SETSIZE 4096
#endif
#include <io.h>
#include <winsock2.h>
#include <ws2tcpip.h>
#include <wspiapi.h>
#undef HAVE_SELECT
#define HAVE_SELECT 1
typedef struct unote unote_t;
typedef struct ulist ulist_t;
typedef struct uitem uitem_t;
typedef struct uhash uhash_t;
struct ulist
{
ulist_t* next;
ulist_t* prev;
};
struct uitem
{
ulist_t list;
intptr_t key;
void* val;
};
struct uhash
{
uint16_t count;
uint16_t size;
ulist_t* items;
};
struct upoll
{
int fd; /* backend fd (epoll, kqueue) */
ulist_t alive; /* all notes this queue knows about */
uhash_t* table;
};
struct unote
{
upoll_event_t event;
intptr_t fd;
ulist_t queue; /* handle for the queue's notes */
upoll_t* upoll;
};
#define container_of(ptr, type, member) \
((type*)((char*)(ptr)-offsetof(type, member)))
#define ulist_init(q) \
(q)->prev = q; \
(q)->next = q
#define ulist_head(h) (h)->next
#define ulist_next(q) (q)->next
#define ulist_tail(h) (h)->prev
#define ulist_prev(q) (q)->prev
#define ulist_empty(h) (h == (h)->prev)
#define ulist_append(h, x) \
(x)->prev = (h)->prev; \
(x)->prev->next = x; \
(x)->next = h; \
(h)->prev = x
#define ulist_insert(h, x) \
(x)->next = (h)->next; \
(x)->next->prev = x; \
(x)->prev = h; \
(h)->next = x
#define ulist_remove(x) \
(x)->next->prev = (x)->prev; \
(x)->prev->next = (x)->next; \
(x)->prev = x; \
(x)->next = x
#define ulist_mark(h) (h)
#define ulist_scan(q, h) \
for((q) = ulist_head(h); (q) != ulist_mark(h); (q) = ulist_next(q))
#define ulist_data(q, type, link) container_of(q, type, link)
#endif /* _UPOLL_H_ */