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authorUlrich Drepper <drepper@redhat.com>2002-12-16 23:38:42 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-16 23:38:42 +0000
commitad3bf20cbaea7854c5ade9b34c134c3a05a2b09e (patch)
tree3c9a841f2bf966e4da24b94dea52832d071b61df /sysdeps
parent0a1063f471355de723393cb968ac9324de1d185d (diff)
Update.
* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_create, epoll_ctl, and epoll_wait. * sysdeps/unix/sysv/linux/Versions [libc: GLIBC_2.3.2]: Add epoll_create, epoll_ctl, and epoll_wait. * sysdeps/unix/sysv/linux/sys/epoll.h: New file. * sysdeps/unix/sysv/linux/Dist: Add sys/epoll.h. * sysdeps/unix/sysv/linux/Makefile [subdir=misc] (sysdep_headers): Add sys/epoll.h. 2002-12-16 Art Haas <ahaas@airmail.net> * sysdeps/generic/bp-semctl.h: Convert GCC extension initializer syntax to C99 * sysdeps/unix/sysv/aix/settimer.c: Same. * sysdeps/unix/sysv/aix/sleep.c: Same. * sysdeps/unix/sysv/aix/usleep.c: Same. 2002-12-16 Ulrich Drepper <drepper@redhat.com>
Diffstat (limited to 'sysdeps')
-rw-r--r--sysdeps/unix/sysv/linux/Dist1
-rw-r--r--sysdeps/unix/sysv/linux/Makefile2
-rw-r--r--sysdeps/unix/sysv/linux/Versions4
-rw-r--r--sysdeps/unix/sysv/linux/sys/epoll.h102
-rw-r--r--sysdeps/unix/sysv/linux/syscalls.list3
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