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159 lines
2.9 KiB
C
159 lines
2.9 KiB
C
#ifndef _UPOLL_H_
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#define _UPOLL_H_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdint.h>
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#define UPOLL_CTL_ADD 1
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#define UPOLL_CTL_DEL 2
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#define UPOLL_CTL_MOD 3
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#define UPOLLIN 0x01
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#define UPOLLOUT 0x02
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#define UPOLLERR 0x04
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#define UPOLLET 0x08
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typedef struct upoll upoll_t;
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typedef union upoll_data {
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void* ptr;
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intptr_t fd;
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uint32_t u32;
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uint64_t u64;
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} upoll_data_t;
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typedef struct upoll_event
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{
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uint32_t events;
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upoll_data_t data;
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} upoll_event_t;
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upoll_t*
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upoll_create(uint32_t size);
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int
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upoll_ctl(upoll_t* upq, int op, intptr_t fd, upoll_event_t* event);
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int
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upoll_wait(upoll_t* upq, upoll_event_t* events, int maxevents, int timeout);
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void
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upoll_destroy(upoll_t* upq);
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#if(defined(__64BIT__) || defined(__x86_64__))
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#define __IS_64BIT__
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#else
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#define __IS_32BIT__
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#endif
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <string.h>
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#include <assert.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <arpa/inet.h>
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#include <poll.h>
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typedef struct unote unote_t;
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typedef struct ulist ulist_t;
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typedef struct uitem uitem_t;
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typedef struct uhash uhash_t;
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struct ulist
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{
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ulist_t* next;
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ulist_t* prev;
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};
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struct uitem
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{
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ulist_t list;
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intptr_t key;
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void* val;
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};
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struct uhash
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{
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uint16_t count;
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uint16_t size;
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ulist_t* items;
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};
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struct upoll
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{
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int fd; /* backend fd (epoll, kqueue) */
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ulist_t alive; /* all notes this queue knows about */
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uhash_t* table;
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};
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struct unote
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{
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upoll_event_t event;
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intptr_t fd;
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ulist_t queue; /* handle for the queue's notes */
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upoll_t* upoll;
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};
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#define container_of(ptr, type, member) \
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((type*)((char*)(ptr)-offsetof(type, member)))
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#define ulist_init(q) \
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(q)->prev = q; \
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(q)->next = q
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#define ulist_head(h) (h)->next
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#define ulist_next(q) (q)->next
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#define ulist_tail(h) (h)->prev
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#define ulist_prev(q) (q)->prev
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#define ulist_empty(h) (h == (h)->prev)
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#define ulist_append(h, x) \
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(x)->prev = (h)->prev; \
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(x)->prev->next = x; \
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(x)->next = h; \
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(h)->prev = x
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#define ulist_insert(h, x) \
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(x)->next = (h)->next; \
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(x)->next->prev = x; \
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(x)->prev = h; \
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(h)->next = x
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#define ulist_remove(x) \
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(x)->next->prev = (x)->prev; \
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(x)->prev->next = (x)->next; \
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(x)->prev = x; \
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(x)->next = x
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#define ulist_mark(h) (h)
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#define ulist_scan(q, h) \
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for((q) = ulist_head(h); (q) != ulist_mark(h); (q) = ulist_next(q))
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#define ulist_data(q, type, link) container_of(q, type, link)
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UPOLL_H_ */
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