[bug #59204] NSOperationQueue leak

[Larry Campbell]

URL:
  <https://savannah.gnu.org/bugs/?59204>

                 Summary: NSOperationQueue leak
                 Project: GNUstep
            Submitted by: lcampbel
            Submitted on: Tue 29 Sep 2020 12:39:15 PM UTC
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

The following code demonstrates that NSOperationQueue leaks operations. It
should (and, on Mac OS X, does) print "t retain count is 1" at the end. On
gnustep, it prints "t retain count is 2".

#import <Foundation/Foundation.h>

@interface Test : NSObject
@end

@implementation Test

- (void)frob
{
    NSLog(@"frob");
}

- (void)test
{
    NSAutoreleasePool *pool = [NSAutoreleasePool new];
    NSOperationQueue *opq = [[NSOperationQueue new] autorelease];
    NSInvocationOperation *op = [[[NSInvocationOperation alloc]
initWithTarget:self selector:@selector(frob) object:nil] autorelease];
    [opq addOperation:op];
    [opq waitUntilAllOperationsAreFinished];
    [pool release];
}

@end

int main(int argc, char *argv[])
{
    NSAutoreleasePool *pool = [NSAutoreleasePool new];
    Test *t = [[Test new] autorelease];
    [t test];
    NSLog(@"t retain count is %lu", [t retainCount]);
    [pool release];
    return 0;
}





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