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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:44:49 +0300 |
commit | 718c552901d703c502ccbefdfc3c9028d608b947 (patch) | |
tree | 46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/linux-headers/linux/eventpoll.h | |
parent | e9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff) | |
download | ydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/linux-headers/linux/eventpoll.h')
-rw-r--r-- | contrib/libs/linux-headers/linux/eventpoll.h | 186 |
1 files changed, 93 insertions, 93 deletions
diff --git a/contrib/libs/linux-headers/linux/eventpoll.h b/contrib/libs/linux-headers/linux/eventpoll.h index 27fff481d59..409066ee890 100644 --- a/contrib/libs/linux-headers/linux/eventpoll.h +++ b/contrib/libs/linux-headers/linux/eventpoll.h @@ -1,94 +1,94 @@ -/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ -/* - * 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 _LINUX_EVENTPOLL_H -#define _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 (__poll_t)0x00000001 -#define EPOLLPRI (__poll_t)0x00000002 -#define EPOLLOUT (__poll_t)0x00000004 -#define EPOLLERR (__poll_t)0x00000008 -#define EPOLLHUP (__poll_t)0x00000010 -#define EPOLLNVAL (__poll_t)0x00000020 -#define EPOLLRDNORM (__poll_t)0x00000040 -#define EPOLLRDBAND (__poll_t)0x00000080 -#define EPOLLWRNORM (__poll_t)0x00000100 -#define EPOLLWRBAND (__poll_t)0x00000200 -#define EPOLLMSG (__poll_t)0x00000400 -#define EPOLLRDHUP (__poll_t)0x00002000 - -/* Set exclusive wakeup mode for the target file descriptor */ -#define EPOLLEXCLUSIVE ((__poll_t)(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 ((__poll_t)(1U << 29)) - -/* Set the One Shot behaviour for the target file descriptor */ -#define EPOLLONESHOT ((__poll_t)(1U << 30)) - -/* Set the Edge Triggered behaviour for the target file descriptor */ -#define EPOLLET ((__poll_t)(1U << 31)) - +/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* - * 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 { - __poll_t 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; -} -#else -static __inline__ void ep_take_care_of_epollwakeup(struct epoll_event *epev) -{ - epev->events &= ~EPOLLWAKEUP; -} -#endif -#endif /* _LINUX_EVENTPOLL_H */ + * 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 _LINUX_EVENTPOLL_H +#define _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 (__poll_t)0x00000001 +#define EPOLLPRI (__poll_t)0x00000002 +#define EPOLLOUT (__poll_t)0x00000004 +#define EPOLLERR (__poll_t)0x00000008 +#define EPOLLHUP (__poll_t)0x00000010 +#define EPOLLNVAL (__poll_t)0x00000020 +#define EPOLLRDNORM (__poll_t)0x00000040 +#define EPOLLRDBAND (__poll_t)0x00000080 +#define EPOLLWRNORM (__poll_t)0x00000100 +#define EPOLLWRBAND (__poll_t)0x00000200 +#define EPOLLMSG (__poll_t)0x00000400 +#define EPOLLRDHUP (__poll_t)0x00002000 + +/* Set exclusive wakeup mode for the target file descriptor */ +#define EPOLLEXCLUSIVE ((__poll_t)(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 ((__poll_t)(1U << 29)) + +/* Set the One Shot behaviour for the target file descriptor */ +#define EPOLLONESHOT ((__poll_t)(1U << 30)) + +/* Set the Edge Triggered behaviour for the target file descriptor */ +#define EPOLLET ((__poll_t)(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 { + __poll_t 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; +} +#else +static __inline__ void ep_take_care_of_epollwakeup(struct epoll_event *epev) +{ + epev->events &= ~EPOLLWAKEUP; +} +#endif +#endif /* _LINUX_EVENTPOLL_H */ |