mirror of https://gitee.com/Nocallback/glibc.git
Joseph Myers
14 years ago
8 changed files with 113 additions and 297 deletions
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/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library. |
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, see |
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_EPOLL_H |
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# error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead." |
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#endif |
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/* Flags to be passed to epoll_create1. */ |
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enum |
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{ |
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EPOLL_CLOEXEC = 02000000, |
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#define EPOLL_CLOEXEC EPOLL_CLOEXEC |
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EPOLL_NONBLOCK = 00004000 |
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#define EPOLL_NONBLOCK EPOLL_NONBLOCK |
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}; |
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/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library. |
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, see |
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_EPOLL_H |
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# error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead." |
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#endif |
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/* Flags to be passed to epoll_create1. */ |
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enum |
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{ |
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EPOLL_CLOEXEC = 0x400000, |
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#define EPOLL_CLOEXEC EPOLL_CLOEXEC |
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EPOLL_NONBLOCK = 0x004000 |
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#define EPOLL_NONBLOCK EPOLL_NONBLOCK |
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}; |
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@ -1,143 +0,0 @@ |
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/* Copyright (C) 2002-2008, 2010, 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, see |
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_EPOLL_H |
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#define _SYS_EPOLL_H 1 |
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#include <stdint.h> |
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#include <sys/types.h> |
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/* Get __sigset_t. */ |
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#include <bits/sigset.h> |
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#ifndef __sigset_t_defined |
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# define __sigset_t_defined |
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typedef __sigset_t sigset_t; |
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#endif |
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/* Flags to be passed to epoll_create1. */ |
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enum |
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{ |
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EPOLL_CLOEXEC = 0x400000, |
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#define EPOLL_CLOEXEC EPOLL_CLOEXEC |
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EPOLL_NONBLOCK = 0x4000 |
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#define EPOLL_NONBLOCK EPOLL_NONBLOCK |
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}; |
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enum EPOLL_EVENTS |
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{ |
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EPOLLIN = 0x001, |
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#define EPOLLIN EPOLLIN |
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EPOLLPRI = 0x002, |
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#define EPOLLPRI EPOLLPRI |
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EPOLLOUT = 0x004, |
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#define EPOLLOUT EPOLLOUT |
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EPOLLRDNORM = 0x040, |
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#define EPOLLRDNORM EPOLLRDNORM |
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EPOLLRDBAND = 0x080, |
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#define EPOLLRDBAND EPOLLRDBAND |
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EPOLLWRNORM = 0x100, |
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#define EPOLLWRNORM EPOLLWRNORM |
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EPOLLWRBAND = 0x200, |
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#define EPOLLWRBAND EPOLLWRBAND |
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EPOLLMSG = 0x400, |
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#define EPOLLMSG EPOLLMSG |
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EPOLLERR = 0x008, |
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#define EPOLLERR EPOLLERR |
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EPOLLHUP = 0x010, |
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#define EPOLLHUP EPOLLHUP |
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EPOLLRDHUP = 0x2000, |
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#define EPOLLRDHUP EPOLLRDHUP |
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EPOLLONESHOT = 1u << 30, |
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#define EPOLLONESHOT EPOLLONESHOT |
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EPOLLET = 1u << 31 |
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#define EPOLLET EPOLLET |
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}; |
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/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ |
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#define EPOLL_CTL_ADD 1 /* Add a file descriptor to the interface. */ |
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#define EPOLL_CTL_DEL 2 /* Remove a file descriptor from the interface. */ |
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#define EPOLL_CTL_MOD 3 /* Change file descriptor epoll_event structure. */ |
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typedef union epoll_data |
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{ |
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void *ptr; |
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int fd; |
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uint32_t u32; |
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uint64_t u64; |
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} epoll_data_t; |
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struct epoll_event |
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{ |
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uint32_t events; /* Epoll events */ |
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epoll_data_t data; /* User data variable */ |
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}; |
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__BEGIN_DECLS |
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/* Creates an epoll instance. Returns an fd for the new instance.
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The "size" parameter is a hint specifying the number of file |
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descriptors to be associated with the new instance. The fd |
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returned by epoll_create() should be closed with close(). */ |
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extern int epoll_create (int __size) __THROW; |
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/* Same as epoll_create but with an FLAGS parameter. The unused SIZE
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parameter has been dropped. */ |
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extern int epoll_create1 (int __flags) __THROW; |
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/* Manipulate an epoll instance "epfd". Returns 0 in case of success,
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-1 in case of error ( the "errno" variable will contain the |
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specific error code ) The "op" parameter is one of the EPOLL_CTL_* |
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constants defined above. The "fd" parameter is the target of the |
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operation. The "event" parameter describes which events the caller |
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is interested in and any associated user data. */ |
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extern int epoll_ctl (int __epfd, int __op, int __fd, |
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struct epoll_event *__event) __THROW; |
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/* Wait for events on an epoll instance "epfd". Returns the number of
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triggered events returned in "events" buffer. Or -1 in case of |
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error with the "errno" variable set to the specific error code. The |
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"events" parameter is a buffer that will contain triggered |
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events. The "maxevents" is the maximum number of events to be |
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returned ( usually size of "events" ). The "timeout" parameter |
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specifies the maximum wait time in milliseconds (-1 == infinite). |
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This function is a cancellation point and therefore not marked with |
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__THROW. */ |
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extern int epoll_wait (int __epfd, struct epoll_event *__events, |
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int __maxevents, int __timeout); |
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/* Same as epoll_wait, but the thread's signal mask is temporarily
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and atomically replaced with the one provided as parameter. |
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This function is a cancellation point and therefore not marked with |
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__THROW. */ |
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extern int epoll_pwait (int __epfd, struct epoll_event *__events, |
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int __maxevents, int __timeout, |
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const __sigset_t *__ss); |
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__END_DECLS |
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#endif /* sys/epoll.h */ |
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@ -0,0 +1,31 @@ |
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/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, see |
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_EPOLL_H |
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# error "Never use <bits/epoll.h> directly; include <sys/epoll.h> instead." |
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#endif |
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/* Flags to be passed to epoll_create1. */ |
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enum |
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{ |
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EPOLL_CLOEXEC = 02000000, |
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#define EPOLL_CLOEXEC EPOLL_CLOEXEC |
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EPOLL_NONBLOCK = 00004000 |
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#define EPOLL_NONBLOCK EPOLL_NONBLOCK |
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}; |
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#define __EPOLL_PACKED __attribute__ ((__packed__)) |
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@ -1,143 +0,0 @@ |
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/* Copyright (C) 2002-2008, 2010, 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library. |
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|
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The GNU C Library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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|
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The GNU C Library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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|
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You should have received a copy of the GNU Lesser General Public |
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License along with the GNU C Library; if not, see |
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_EPOLL_H |
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#define _SYS_EPOLL_H 1 |
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#include <stdint.h> |
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#include <sys/types.h> |
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/* Get __sigset_t. */ |
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#include <bits/sigset.h> |
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#ifndef __sigset_t_defined |
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# define __sigset_t_defined |
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typedef __sigset_t sigset_t; |
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#endif |
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|
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/* Flags to be passed to epoll_create1. */ |
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enum |
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{ |
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EPOLL_CLOEXEC = 02000000, |
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#define EPOLL_CLOEXEC EPOLL_CLOEXEC |
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EPOLL_NONBLOCK = 04000 |
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#define EPOLL_NONBLOCK EPOLL_NONBLOCK |
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}; |
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enum EPOLL_EVENTS |
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{ |
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EPOLLIN = 0x001, |
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#define EPOLLIN EPOLLIN |
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EPOLLPRI = 0x002, |
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#define EPOLLPRI EPOLLPRI |
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EPOLLOUT = 0x004, |
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#define EPOLLOUT EPOLLOUT |
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EPOLLRDNORM = 0x040, |
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#define EPOLLRDNORM EPOLLRDNORM |
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EPOLLRDBAND = 0x080, |
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#define EPOLLRDBAND EPOLLRDBAND |
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EPOLLWRNORM = 0x100, |
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#define EPOLLWRNORM EPOLLWRNORM |
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EPOLLWRBAND = 0x200, |
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#define EPOLLWRBAND EPOLLWRBAND |
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EPOLLMSG = 0x400, |
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#define EPOLLMSG EPOLLMSG |
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EPOLLERR = 0x008, |
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#define EPOLLERR EPOLLERR |
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EPOLLHUP = 0x010, |
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#define EPOLLHUP EPOLLHUP |
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EPOLLRDHUP = 0x2000, |
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#define EPOLLRDHUP EPOLLRDHUP |
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EPOLLONESHOT = 1u << 30, |
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#define EPOLLONESHOT EPOLLONESHOT |
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EPOLLET = 1u << 31 |
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#define EPOLLET EPOLLET |
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}; |
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/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ |
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#define EPOLL_CTL_ADD 1 /* Add a file decriptor to the interface. */ |
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#define EPOLL_CTL_DEL 2 /* Remove a file decriptor from the interface. */ |
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#define EPOLL_CTL_MOD 3 /* Change file decriptor epoll_event structure. */ |
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typedef union epoll_data |
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{ |
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void *ptr; |
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int fd; |
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uint32_t u32; |
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uint64_t u64; |
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} epoll_data_t; |
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struct epoll_event |
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{ |
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uint32_t events; /* Epoll events */ |
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epoll_data_t data; /* User data variable */ |
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} __attribute__ ((__packed__)); |
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__BEGIN_DECLS |
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/* Creates an epoll instance. Returns an fd for the new instance.
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The "size" parameter is a hint specifying the number of file |
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descriptors to be associated with the new instance. The fd |
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returned by epoll_create() should be closed with close(). */ |
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extern int epoll_create (int __size) __THROW; |
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/* Same as epoll_create but with an FLAGS parameter. The unused SIZE
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parameter has been dropped. */ |
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extern int epoll_create1 (int __flags) __THROW; |
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|
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|
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/* Manipulate an epoll instance "epfd". Returns 0 in case of success,
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-1 in case of error ( the "errno" variable will contain the |
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specific error code ) The "op" parameter is one of the EPOLL_CTL_* |
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constants defined above. The "fd" parameter is the target of the |
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operation. The "event" parameter describes which events the caller |
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is interested in and any associated user data. */ |
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extern int epoll_ctl (int __epfd, int __op, int __fd, |
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struct epoll_event *__event) __THROW; |
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|
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/* Wait for events on an epoll instance "epfd". Returns the number of
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triggered events returned in "events" buffer. Or -1 in case of |
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error with the "errno" variable set to the specific error code. The |
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"events" parameter is a buffer that will contain triggered |
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events. The "maxevents" is the maximum number of events to be |
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returned ( usually size of "events" ). The "timeout" parameter |
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specifies the maximum wait time in milliseconds (-1 == infinite). |
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|
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This function is a cancellation point and therefore not marked with |
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__THROW. */ |
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extern int epoll_wait (int __epfd, struct epoll_event *__events, |
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int __maxevents, int __timeout); |
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|
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/* Same as epoll_wait, but the thread's signal mask is temporarily
|
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and atomically replaced with the one provided as parameter. |
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|
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This function is a cancellation point and therefore not marked with |
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__THROW. */ |
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extern int epoll_pwait (int __epfd, struct epoll_event *__events, |
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int __maxevents, int __timeout, |
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const __sigset_t *__ss); |
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__END_DECLS |
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#endif /* sys/epoll.h */ |
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