poll.h

来自「《嵌入式系统设计与实例开发实验教材二源码》Linux内核移植与编译实验」· C头文件 代码 · 共 34 行

/*
 *  include/asm-s390/poll.h
 *
 *  S390 version
 *
 *  Derived from "include/asm-i386/poll.h"
 */

#ifndef __S390_POLL_H
#define __S390_POLL_H

/* These are specified by iBCS2 */
#define POLLIN          0x0001
#define POLLPRI         0x0002
#define POLLOUT         0x0004
#define POLLERR         0x0008
#define POLLHUP         0x0010
#define POLLNVAL        0x0020

/* The rest seem to be more-or-less nonstandard. Check them! */
#define POLLRDNORM	0x0040
#define POLLRDBAND	0x0080
#define POLLWRNORM	0x0100
#define POLLWRBAND	0x0200
#define POLLMSG		0x0400

struct pollfd {
	int fd;
	short events;
	short revents;
};

#endif