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author | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:06:41 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-07-01 13:06:41 +0000 |
commit | e64ac02c24b43659048622714afdc92fedf561fa (patch) | |
tree | 37162878b72d302de351788bec4c9360c9d55f1d /ports/sysdeps/unix/sysv/linux/hppa/sys/epoll.h | |
parent | a20c2b3c87aebc7d4b090c622d36480263b80042 (diff) | |
download | glibc-e64ac02c24b43659048622714afdc92fedf561fa.tar.gz glibc-e64ac02c24b43659048622714afdc92fedf561fa.tar.xz glibc-e64ac02c24b43659048622714afdc92fedf561fa.zip |
Move all files into ports/ subdirectory in preparation for merge with glibc glibc-2.16-ports-before-merge
Diffstat (limited to 'ports/sysdeps/unix/sysv/linux/hppa/sys/epoll.h')
-rw-r--r-- | ports/sysdeps/unix/sysv/linux/hppa/sys/epoll.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/ports/sysdeps/unix/sysv/linux/hppa/sys/epoll.h b/ports/sysdeps/unix/sysv/linux/hppa/sys/epoll.h new file mode 100644 index 0000000000..0adf09029e --- /dev/null +++ b/ports/sysdeps/unix/sysv/linux/hppa/sys/epoll.h @@ -0,0 +1,143 @@ +/* Copyright (C) 2002-2009, 2012 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _SYS_EPOLL_H +#define _SYS_EPOLL_H 1 + +#include <stdint.h> +#include <sys/types.h> + +/* Get __sigset_t. */ +#include <bits/sigset.h> + +#ifndef __sigset_t_defined +# define __sigset_t_defined +typedef __sigset_t sigset_t; +#endif + + +/* Flags to be passed to epoll_create1. */ +enum + { + EPOLL_CLOEXEC = 010000000, +#define EPOLL_CLOEXEC EPOLL_CLOEXEC + EPOLL_NONBLOCK = 00200004 /* HPUX has separate NDELAY & NONBLOCK */ +#define EPOLL_NONBLOCK EPOLL_NONBLOCK + }; + + +enum EPOLL_EVENTS + { + EPOLLIN = 0x001, +#define EPOLLIN EPOLLIN + EPOLLPRI = 0x002, +#define EPOLLPRI EPOLLPRI + EPOLLOUT = 0x004, +#define EPOLLOUT EPOLLOUT + EPOLLRDNORM = 0x040, +#define EPOLLRDNORM EPOLLRDNORM + EPOLLRDBAND = 0x080, +#define EPOLLRDBAND EPOLLRDBAND + EPOLLWRNORM = 0x100, +#define EPOLLWRNORM EPOLLWRNORM + EPOLLWRBAND = 0x200, +#define EPOLLWRBAND EPOLLWRBAND + EPOLLMSG = 0x400, +#define EPOLLMSG EPOLLMSG + EPOLLERR = 0x008, +#define EPOLLERR EPOLLERR + EPOLLHUP = 0x010, +#define EPOLLHUP EPOLLHUP + EPOLLRDHUP = 0x2000, +#define EPOLLRDHUP EPOLLRDHUP + EPOLLONESHOT = 1u << 30, +#define EPOLLONESHOT EPOLLONESHOT + EPOLLET = 1u << 31 +#define EPOLLET EPOLLET + }; + + +/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ +#define EPOLL_CTL_ADD 1 /* Add a file descriptor to the interface. */ +#define EPOLL_CTL_DEL 2 /* Remove a file descriptor from the interface. */ +#define EPOLL_CTL_MOD 3 /* Change file descriptor epoll_event structure. */ + + +typedef union epoll_data +{ + void *ptr; + int fd; + uint32_t u32; + uint64_t u64; +} epoll_data_t; + +struct epoll_event +{ + uint32_t events; /* Epoll events */ + epoll_data_t data; /* User data variable */ +}; + + +__BEGIN_DECLS + +/* Creates an epoll instance. Returns an fd for the new instance. + The "size" parameter is a hint specifying the number of file + descriptors to be associated with the new instance. The fd + returned by epoll_create() should be closed with close(). */ +extern int epoll_create (int __size) __THROW; + +/* Same as epoll_create but with an FLAGS parameter. The unused SIZE + parameter has been dropped. */ +extern int epoll_create1 (int __flags) __THROW; + + +/* Manipulate an epoll instance "epfd". Returns 0 in case of success, + -1 in case of error ( the "errno" variable will contain the + specific error code ) The "op" parameter is one of the EPOLL_CTL_* + constants defined above. The "fd" parameter is the target of the + operation. The "event" parameter describes which events the caller + is interested in and any associated user data. */ +extern int epoll_ctl (int __epfd, int __op, int __fd, + struct epoll_event *__event) __THROW; + + +/* Wait for events on an epoll instance "epfd". Returns the number of + triggered events returned in "events" buffer. Or -1 in case of + error with the "errno" variable set to the specific error code. The + "events" parameter is a buffer that will contain triggered + events. The "maxevents" is the maximum number of events to be + returned ( usually size of "events" ). The "timeout" parameter + specifies the maximum wait time in milliseconds (-1 == infinite). + + This function is a cancellation point and therefore not marked with + __THROW. */ +extern int epoll_wait (int __epfd, struct epoll_event *__events, + int __maxevents, int __timeout); + + +/* Same as epoll_wait, but the thread's signal mask is temporarily + and atomically replaced with the one provided as parameter. + + This function is a cancellation point and therefore not marked with + __THROW. */ +extern int epoll_pwait (int __epfd, struct epoll_event *__events, + int __maxevents, int __timeout, + const __sigset_t *__ss); + +__END_DECLS + +#endif /* sys/epoll.h */ |