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authorPierre Ossman <ossman@cendio.se>2011-11-07 12:51:34 +0000
committerPierre Ossman <ossman@cendio.se>2011-11-07 12:51:34 +0000
commit2aa4b0c49352472baa6c060371497377350a3d43 (patch)
treea225e653a1092fe1011a62222edc2ea9133c0b24
parent714110ba26fab6c223221ef54a94e8562fa8e335 (diff)
downloadtigervnc-2aa4b0c49352472baa6c060371497377350a3d43.tar.gz
tigervnc-2aa4b0c49352472baa6c060371497377350a3d43.zip
Timers in RFB still weren't working properly. Do this right and check the next
timer just before the Xorg select() call. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4770 3789f03b-4d11-0410-bbf8-ca57d06f2519
-rw-r--r--unix/xserver/hw/vnc/XserverDesktop.cc41
-rw-r--r--unix/xserver/hw/vnc/XserverDesktop.h3
-rw-r--r--unix/xserver/hw/vnc/vncExtInit.cc3
3 files changed, 32 insertions, 15 deletions
diff --git a/unix/xserver/hw/vnc/XserverDesktop.cc b/unix/xserver/hw/vnc/XserverDesktop.cc
index 1a2bd79d..8f50cf9d 100644
--- a/unix/xserver/hw/vnc/XserverDesktop.cc
+++ b/unix/xserver/hw/vnc/XserverDesktop.cc
@@ -1,5 +1,5 @@
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright 2009 Pierre Ossman for Cendio AB
+ * Copyright 2009-2011 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -509,9 +509,15 @@ void XserverDesktop::add_copied(RegionPtr dst, int dx, int dy)
}
}
-void XserverDesktop::blockHandler(fd_set* fds)
+static struct timeval XserverDesktopTimeout;
+
+void XserverDesktop::blockHandler(fd_set* fds, OSTimePtr timeout)
{
try {
+ int nextTimeout;
+
+ // Add all sockets we want read events for, after purging
+ // any closed sockets.
if (listener)
FD_SET(listener->getFd(), fds);
if (httpListener)
@@ -544,18 +550,31 @@ void XserverDesktop::blockHandler(fd_set* fds)
}
}
}
+
+ // Then check when the next timer will expire.
+ // (this unfortunately also triggers any already expired timers)
+ nextTimeout = server->checkTimeouts();
+ if (nextTimeout > 0) {
+ // No timeout specified? Or later timeout than we need?
+ if ((*timeout == NULL) ||
+ ((*timeout)->tv_sec > (nextTimeout/1000)) ||
+ (((*timeout)->tv_sec == (nextTimeout/1000)) &&
+ ((*timeout)->tv_usec > ((nextTimeout%1000)*1000)))) {
+ XserverDesktopTimeout.tv_sec = nextTimeout/1000;
+ XserverDesktopTimeout.tv_usec = (nextTimeout%1000)*1000;
+ *timeout = &XserverDesktopTimeout;
+ }
+ }
+
} catch (rdr::Exception& e) {
vlog.error("XserverDesktop::blockHandler: %s",e.str());
}
}
-static CARD32 dummyTimerCallback(OsTimerPtr timer, CARD32 now, pointer arg) {
- return 0;
-}
-
void XserverDesktop::wakeupHandler(fd_set* fds, int nfds)
{
try {
+ // First check for file descriptors with something to do
if (nfds >= 1) {
if (listener) {
@@ -603,13 +622,9 @@ void XserverDesktop::wakeupHandler(fd_set* fds, int nfds)
inputDevice->PointerSync();
}
- int timeout = server->checkTimeouts();
- if (timeout > 0) {
- // set a dummy timer just so we are guaranteed be called again next time.
- dummyTimer = TimerSet(dummyTimer, 0, timeout,
- dummyTimerCallback, 0);
- }
-
+ // Then let the timers do some processing. Rescheduling is done in
+ // blockHandler().
+ server->checkTimeouts();
} catch (rdr::Exception& e) {
vlog.error("XserverDesktop::wakeupHandler: %s",e.str());
}
diff --git a/unix/xserver/hw/vnc/XserverDesktop.h b/unix/xserver/hw/vnc/XserverDesktop.h
index af365117..fd0773ca 100644
--- a/unix/xserver/hw/vnc/XserverDesktop.h
+++ b/unix/xserver/hw/vnc/XserverDesktop.h
@@ -1,4 +1,5 @@
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ * Copyright 2009-2011 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -70,7 +71,7 @@ public:
void add_changed(RegionPtr reg);
void add_copied(RegionPtr dst, int dx, int dy);
void ignoreHooks(bool b) { ignoreHooks_ = b; }
- void blockHandler(fd_set* fds);
+ void blockHandler(fd_set* fds, OSTimePtr timeout);
void wakeupHandler(fd_set* fds, int nfds);
void writeBlockHandler(fd_set* fds);
void writeWakeupHandler(fd_set* fds, int nfds);
diff --git a/unix/xserver/hw/vnc/vncExtInit.cc b/unix/xserver/hw/vnc/vncExtInit.cc
index baa8fa4e..7d865ed1 100644
--- a/unix/xserver/hw/vnc/vncExtInit.cc
+++ b/unix/xserver/hw/vnc/vncExtInit.cc
@@ -1,4 +1,5 @@
/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ * Copyright 2011 Pierre Ossman for Cendio AB
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -308,7 +309,7 @@ static void vncBlockHandler(pointer data, OSTimePtr timeout, pointer readmask)
for (int scr = 0; scr < screenInfo.numScreens; scr++)
if (desktop[scr])
- desktop[scr]->blockHandler(fds);
+ desktop[scr]->blockHandler(fds, timeout);
}
static void vncWakeupHandler(pointer data, int nfds, pointer readmask)