1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * Copyright (c) 2014, Joyent, Inc. All rights reserved. 14 */ 15 16 #ifndef _SYS_EPOLL_H 17 #define _SYS_EPOLL_H 18 19 #include <sys/types.h> 20 #include <sys/poll.h> 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 typedef union epoll_data { 27 void *ptr; 28 int fd; 29 uint32_t u32; 30 uint64_t u64; 31 } epoll_data_t; 32 33 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 34 #pragma pack(4) 35 #endif 36 37 typedef struct epoll_event { 38 uint32_t events; /* events */ 39 epoll_data_t data; /* user-specified data */ 40 } epoll_event_t; 41 42 #if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 43 #pragma pack() 44 #endif 45 46 /* 47 * Define the EPOLL* constants in terms of their poll(2)/poll(7) equivalents. 48 * Note that the values match the equivalents in Linux to allow for any binary 49 * compatibility layers to not need to translate them. 50 */ 51 #define EPOLLIN 0x0001 52 #define EPOLLPRI 0x0002 53 #define EPOLLOUT 0x0004 54 #define EPOLLRDNORM 0x0040 55 #define EPOLLRDBAND 0x0080 56 #define EPOLLWRNORM 0x0100 57 #define EPOLLWRBAND 0x0200 58 #define EPOLLMSG 0x0400 /* not used */ 59 #define EPOLLERR 0x0008 60 #define EPOLLHUP 0x0010 61 #define EPOLLRDHUP 0x2000 62 63 #define EPOLLWAKEUP (1UL << 29) /* no meaning; silently ignored */ 64 #define EPOLLONESHOT (1UL << 30) /* translated to POLLONESHOT */ 65 #define EPOLLET (1UL << 31) /* translated to POLLET */ 66 67 #define EPOLL_CTL_ADD 1 68 #define EPOLL_CTL_DEL 2 69 #define EPOLL_CTL_MOD 3 70 71 #define EPOLL_CLOEXEC 02000000 72 73 #if !defined(_KERNEL) 74 75 extern int epoll_create(int size); 76 extern int epoll_create1(int flags); 77 extern int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event); 78 extern int epoll_wait(int epfd, struct epoll_event *events, 79 int maxevents, int timeout); 80 extern int epoll_pwait(int epfd, struct epoll_event *events, 81 int maxevents, int timeout, const sigset_t *sigmask); 82 83 #endif /* !_KERNEL */ 84 85 #ifdef __cplusplus 86 } 87 #endif 88 89 #endif /* _SYS_EPOLL_H */ 90