tdevdraw: only one flushproc, please (OS X) - plan9port - [fork] Plan 9 from user space
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---
DIR commit f50c3e956ffbeb15f3d386752805d1baf1c708df
DIR parent bbdebeff976a1fa1b787d285dabba617a8febbf3
HTML Author: Russ Cox <rsc@swtch.com>
Date: Fri, 2 Apr 2010 14:53:13 -0700
devdraw: only one flushproc, please (OS X)
R=rsc
http://codereview.appspot.com/799045
Diffstat:
M src/cmd/devdraw/osx-screen-carbon.m | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
---
DIR diff --git a/src/cmd/devdraw/osx-screen-carbon.m b/src/cmd/devdraw/osx-screen-carbon.m
t@@ -61,6 +61,7 @@ struct {
int kalting; // last keystroke was Kalt
int touched; // last mouse event was touchCallback
int collapsed; // parked in dock
+ int flushing; // flushproc has started
NSMutableArray* devicelist;
} osx;
t@@ -871,7 +872,10 @@ _flushmemscreen(Rectangle r)
qlock(&osx.flushlock);
if(osx.windowctx == nil){
QDBeginCGContext(GetWindowPort(osx.window), &osx.windowctx);
- proccreate(flushproc, nil, 256*1024);
+ if(!osx.flushing) {
+ proccreate(flushproc, nil, 256*1024);
+ osx.flushing = 1;
+ }
}
cgr.origin.x = r.min.x;