poll.h

Go to the documentation of this file.

 
#ifndef __POLL_H__
#define __POLL_H__
 
#include <stdint.h>
#include <Sync/waitq.h>
#include <Hal/AA64/sched.h>
 
#define POLLIN     0x001
#define POLLPRI    0x002
#define POLLOUT    0x004
#define POLLERR    0x008
#define POLLHUP    0x010
#define POLLNVAL   0x020
#define POLLRDNORM 0x040
#define POLLRDBAND 0x080
#define POLLWRNORM 0x100
#define POLLWRBAND 0x200
 
#define EPOLLIN         POLLIN
#define EPOLLPRI        POLLPRI
#define EPOLLOUT        POLLOUT
#define EPOLLERR        POLLERR
#define EPOLLHUP        POLLHUP
#define EPOLLRDNORM     POLLRDNORM
#define EPOLLWRNORM     POLLWRNORM
#define EPOLLONESHOT    (1u << 30)
#define EPOLLET         (1u << 31)
#define EPOLL_FLAG_BITS (EPOLLET | EPOLLONESHOT)
 
typedef unsigned long int nfds_t;
 
typedef struct AuPollTable {
    AA64Thread* thread;
    /* should have wait function here*/
    void* priv;
    AuWaitQEntry* chain;
    int error;
} AuPollTable;
 
typedef struct _user_poll_fd {
    int fd;        /* file descriptor to poll*/
    short events;  /* requested events */
    short revents; /* returned events */
} _AuUser_PollFD;
AU_EXTERN AU_EXPORT void AuPollWait(AuWaitQueue* q, AuPollTable* pt);
extern int AuPoll(_AuUser_PollFD fds[], nfds_t num_fd, int timeout);
 
#endif