Hello, I'm doing the below and when I call the -runTask: method is
called from the main run loop (no threading) with
[self runTask:self];
the NSTextView updates great; however, when I call -runTask via
[NSThread detachNewThreadSelector:@selector(runTask:) toTarget:self
withObject:nil];
my app hangs on the attempt to update the myTextView NSTextView
[[[myTextView textStorage] mutableString] appendString:outString];
Does anyone have any idea why NSTextView won't update when the code is
a thread?
Thanks a lot for any advice.
Dalton Hamilton
Chapel Hill, NC
=====================
- (void)runTask:(id)sender
{
NSTask *task = [[NSTask alloc] init];
NSPipe *inPipe = [NSPipe pipe], *outPipe = [NSPipe pipe];
NSFileHandle *outHandle = [outPipe fileHandleForReading];
NSData *outData;
NSString *outString;
NSMutableArray *arguments = [NSMutableArray arrayWithObjects: @"-
l", nil];
[arguments addObject:@"/Applications"];
[task setLaunchPath:@"/bin/ls"];
//---------------------------------------------------------------------------------
[task setArguments: arguments];
[task setStandardOutput:outPipe];
[task setStandardError:outPipe];
[task setStandardInput:inPipe];
[task launch];
outData = [outHandle readDataToEndOfFile];
[task waitUntilExit];
[task release];
outString = [[NSString alloc] initWithData:outData
encoding:NSUTF8StringEncoding];
NSLog(@"%...@\n\n",outString);
[[[myTextView textStorage] mutableString] appendString:outString];
// I've also just tried to do
// [myTextView setString:outString];
// and it also hangs when NSThread is used
}
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