/* * include/linux/eventpoll.h ( Efficient event polling implementation ) * Copyright (C) 2001,...,2006 Davide Libenzi * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * Davide Libenzi <davidel@xmailserver.org> * */ #ifndef _UAPI_LINUX_EVENTPOLL_H #define _UAPI_LINUX_EVENTPOLL_H /* For O_CLOEXEC */ #include <linux/fcntl.h> #include <linux/types.h> /* Flags for epoll_create1. */ #define EPOLL_CLOEXEC O_CLOEXEC /* Valid opcodes to issue to sys_epoll_ctl() */ #define EPOLL_CTL_ADD 1 #define EPOLL_CTL_DEL 2 #define EPOLL_CTL_MOD 3 /* Epoll event masks */ #define EPOLLIN 0x00000001 #define EPOLLPRI 0x00000002 #define EPOLLOUT 0x00000004 #define EPOLLERR 0x00000008 #define EPOLLHUP 0x00000010 #define EPOLLRDNORM 0x00000040 #define EPOLLRDBAND 0x00000080 #define EPOLLWRNORM 0x00000100 #define EPOLLWRBAND 0x00000200 #define EPOLLMSG 0x00000400 #define EPOLLRDHUP 0x00002000 /* Set exclusive wakeup mode for the target file descriptor */ #define EPOLLEXCLUSIVE (1U << 28) /* * Request the handling of system wakeup events so as to prevent system suspends * from happening while those events are being processed. * * Assuming neither EPOLLET nor EPOLLONESHOT is set, system suspends will not be * re-allowed until epoll_wait is called again after consuming the wakeup * event(s). * * Requires CAP_BLOCK_SUSPEND */ #define EPOLLWAKEUP (1U << 29) /* Set the One Shot behaviour for the target file descriptor */ #define EPOLLONESHOT (1U << 30) /* Set the Edge Triggered behaviour for the target file descriptor */ #define EPOLLET (1U << 31) /* * On x86-64 make the 64bit structure have the same alignment as the * 32bit structure. This makes 32bit emulation easier. * * UML/x86_64 needs the same packing as x86_64 */ #ifdef __x86_64__ #define EPOLL_PACKED __attribute__((packed)) #else #define EPOLL_PACKED #endif struct epoll_event { __u32 events; __u64 data; } EPOLL_PACKED; #ifdef CONFIG_PM_SLEEP
static inline void ep_take_care_of_epollwakeup(struct epoll_event *epev) { if ((epev->events & EPOLLWAKEUP) && !capable(CAP_BLOCK_SUSPEND)) epev->events &= ~EPOLLWAKEUP; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Amit Pundir | 35 | 100.00% | 1 | 100.00% |
| Total | 35 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Amit Pundir | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| David Howells | 74 | 39.36% | 1 | 20.00% |
| Amit Pundir | 61 | 32.45% | 1 | 20.00% |
| Greg Kroah-Hartman | 49 | 26.06% | 2 | 40.00% |
| Jason Baron | 4 | 2.13% | 1 | 20.00% |
| Total | 188 | 100.00% | 5 | 100.00% |