diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/Dist | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Makefile | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/Versions | 4 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/sys/epoll.h | 102 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/syscalls.list | 3 |
5 files changed, 111 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/Dist b/sysdeps/unix/sysv/linux/Dist index d38b0b451c..ed8836dae6 100644 --- a/sysdeps/unix/sysv/linux/Dist +++ b/sysdeps/unix/sysv/linux/Dist @@ -57,6 +57,7 @@ scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/acct.h +sys/epoll.h sys/fsuid.h sys/kd.h sys/kdaemon.h diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 8e0f6591a0..e6d044f9b8 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -20,7 +20,7 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \ sys/kd.h sys/soundcard.h sys/vt.h \ sys/quota.h sys/fsuid.h \ scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \ - sys/ultrasound.h sys/raw.h sys/personality.h + sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h install-others += $(inst_includedir)/bits/syscall.h diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions index 9dd6b2a275..7cb8327368 100644 --- a/sysdeps/unix/sysv/linux/Versions +++ b/sysdeps/unix/sysv/linux/Versions @@ -105,6 +105,10 @@ libc { #errlist-compat 126 _sys_errlist; sys_errlist; _sys_nerr; sys_nerr; } + GLIBC_2.3.2 { + # New kernel interfaces. + epoll_create; epoll_ctl; epoll_wait; + } GLIBC_PRIVATE { # needed by libpthread. __libc_sigaction; diff --git a/sysdeps/unix/sysv/linux/sys/epoll.h b/sysdeps/unix/sysv/linux/sys/epoll.h new file mode 100644 index 0000000000..1add423ce1 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sys/epoll.h @@ -0,0 +1,102 @@ +/* Copyright (C) 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _SYS_EPOLL_H +#define _SYS_EPOLL_H 1 + +#include <sys/types.h> + + +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 + }; + + +/* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ +#define EPOLL_CTL_ADD 1 /* Add a file decriptor to the interface. */ +#define EPOLL_CTL_DEL 2 /* Remove a file decriptor from the interface. */ +#define EPOLL_CTL_MOD 3 /* Change file decriptor 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; + + +/* 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). */ +extern int epoll_wait (int __epfd, struct epoll_event *__events, + int __maxevents, int __timeout) __THROW; + +__END_DECLS + +#endif /* sys/epoll.h */ diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list index 003cb915f6..738cad7b88 100644 --- a/sysdeps/unix/sysv/linux/syscalls.list +++ b/sysdeps/unix/sysv/linux/syscalls.list @@ -7,6 +7,9 @@ capset EXTRA capset i:pp capset creat - creat Ci:si __libc_creat creat create_module EXTRA create_module 3 create_module delete_module EXTRA delete_module 3 delete_module +epoll_create EXTRA epoll_create i:i epoll_create +epoll_ctl EXTRA epoll_ctl i:iiip epoll_ctl +epoll_wait EXTRA epoll_wait i:ipii epoll_wait fdatasync - fdatasync i:i fdatasync flock - flock i:ii __flock flock fork - fork i: __libc_fork __fork fork |