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Date:      Sun, 24 May 2015 17:42:46 +0000 (UTC)
From:      Dmitry Chagin <dchagin@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r283470 - head/sys/compat/linux
Message-ID:  <201505241742.t4OHgk59029479@svn.freebsd.org>

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Author: dchagin
Date: Sun May 24 17:42:45 2015
New Revision: 283470
URL: https://svnweb.freebsd.org/changeset/base/283470

Log:
  Add EPOLLERR flag handling to epoll.
  
  Tested by:	abi at abinet dot ru

Modified:
  head/sys/compat/linux/linux_event.c
  head/sys/compat/linux/linux_event.h

Modified: head/sys/compat/linux/linux_event.c
==============================================================================
--- head/sys/compat/linux/linux_event.c	Sun May 24 17:40:14 2015	(r283469)
+++ head/sys/compat/linux/linux_event.c	Sun May 24 17:42:45 2015	(r283470)
@@ -258,6 +258,8 @@ epoll_to_kevent(struct thread *td, struc
 		*kev_flags |= EV_ONESHOT;
 	if ((levents & LINUX_EPOLLET) != 0)
 		*kev_flags |= EV_CLEAR;
+	if ((levents & LINUX_EPOLLERR) != 0)
+		*kev_flags |= EV_ERROR;
 
 	/* flags related to what event is registered */
 	if ((levents & LINUX_EPOLL_EVRD) != 0) {
@@ -299,8 +301,10 @@ static void
 kevent_to_epoll(struct kevent *kevent, struct epoll_event *l_event)
 {
 
-	if ((kevent->flags & EV_ERROR) != 0)
+	if ((kevent->flags & EV_ERROR) != 0) {
+		l_event->events = LINUX_EPOLLERR;
 		return;
+	}
 
 	switch (kevent->filter) {
 	case EVFILT_READ:

Modified: head/sys/compat/linux/linux_event.h
==============================================================================
--- head/sys/compat/linux/linux_event.h	Sun May 24 17:40:14 2015	(r283469)
+++ head/sys/compat/linux/linux_event.h	Sun May 24 17:42:45 2015	(r283470)
@@ -46,7 +46,7 @@
 #define	LINUX_EPOLLET		1u<<31
 
 #define	LINUX_EPOLL_EVRD	(LINUX_EPOLLIN|LINUX_EPOLLRDNORM	\
-		|LINUX_EPOLLHUP|LINUX_EPOLLPRI)
+		|LINUX_EPOLLHUP|LINUX_EPOLLERR|LINUX_EPOLLPRI)
 #define	LINUX_EPOLL_EVWR	(LINUX_EPOLLOUT|LINUX_EPOLLWRNORM)
 #define	LINUX_EPOLL_EVSUP	(LINUX_EPOLLET|LINUX_EPOLLONESHOT	\
 		|LINUX_EPOLL_EVRD|LINUX_EPOLL_EVWR)



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