linux-kernel - [RFC PATCH for-next 2/4] epoll: epoll() syscall declaration

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Date:	Sun, 23 Feb 2014 17:42:40 -0800
From:	Nathaniel Yazdani <n1ght.4nd.d4y@...il.com>
To:	viro@...iv.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Nathaniel Yazdani <n1ght.4nd.d4y@...il.com>
Subject: [RFC PATCH for-next 2/4] epoll: epoll() syscall declaration

Add prototype for epoll() system call, defined in fs/eventpoll.c. This
interface behaves like kevent() in BSD systems in that it supports
the addition/deletion/modification of eventpoll entries in the same
system call that polls for ready events.

Signed-off-by: Nathaniel Yazdani <n1ght.4nd.d4y@...il.com>
---
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 40ed9e9..1d2fc04 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -11,6 +11,7 @@
 #ifndef _LINUX_SYSCALLS_H
 #define _LINUX_SYSCALLS_H
 
+struct epoll;
 struct epoll_event;
 struct iattr;
 struct inode;
@@ -607,6 +608,9 @@ asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
 asmlinkage long sys_epoll_create(int size);
 asmlinkage long sys_epoll_create1(int flags);
+asmlinkage long sys_epoll(int ep, struct epoll __user *in,
+			  unsigned int inc, struct epoll __user *out,
+			  unsigned int outc, int timeout);
 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
 				struct epoll_event __user *event);
 asmlinkage long sys_epoll_wait(int epfd, struct epoll_event __user *events,
--
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