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#import "ObjectTesting.h"
#import "Foundation/NSAutoreleasePool.h"
#import "Foundation/NSThread.h"
#import "Foundation/NSTimer.h"
#import "Foundation/NSRunLoop.h"
#import "GNUstepBase/GSConfig.h"
const NSTimeInterval kDelay = 0.01;
#if GS_USE_LIBDISPATCH_RUNLOOP && __has_feature(blocks)
# define DISPATCH_RL_INTEGRATION 1
# if __has_include(<dispatch.h>)
# include <dispatch.h>
# else
# include <dispatch/dispatch.h>
# endif
#endif
/**
* This is a simple counter object that gets incremented from a different
* thread, but by using dispatch_async() to put the actual increment operation
* onto the main queue.
*/
@interface Counter : NSObject
{
NSUInteger counter;
}
- (void)increment;
- (NSUInteger)counter;
@end
/**
* This is the object running in the other thread. It's purpose is to dispatch
* five increments to the main queue and then exit.
*/
@interface Queuer : NSObject
- (void)worker: (Counter*)counter;
- (void)run;
- (void)timeout: (NSTimer*)t;
@end
@implementation Counter
- (void)increment
{
counter++;
}
- (NSUInteger)counter
{
return counter;
}
@end
@implementation Queuer
- (void)worker: (Counter*)counter
{
NSUInteger i = 0;
NSAutoreleasePool *pool = [NSAutoreleasePool new];
for (i = 0; i < 5; i++)
{
# ifdef DISPATCH_RL_INTEGRATION
dispatch_async(dispatch_get_main_queue(), ^ {
[counter increment];
});
# endif
NSDate *d = [NSDate dateWithTimeIntervalSinceNow: kDelay];
while ([d timeIntervalSinceNow] > 0)
{
[[NSRunLoop currentRunLoop] runUntilDate: d];
}
}
[pool release];
}
- (void)timeout: (NSTimer*)t
{
PASS(NO, "Timeout while trying to run blocks on main thread");
}
- (void) run
{
NSDate *until = [NSDate dateWithTimeIntervalSinceNow: 1.0];
Counter *c = AUTORELEASE([Counter new]);
[NSTimer scheduledTimerWithTimeInterval: 1.0
target: self
selector: @selector(timeout:)
userInfo: nil
repeats: YES];
[NSThread detachNewThreadSelector: @selector(worker:)
toTarget: self
withObject: c];
while ([until timeIntervalSinceNow] > 0)
{
NSDate *tick = [NSDate dateWithTimeIntervalSinceNow: kDelay * 2];
[[NSRunLoop currentRunLoop] runUntilDate: tick];
if ([c counter] == 5)
{
break;
}
}
PASS([c counter] == 5, "Dispatch blocks execute on main queue");
}
@end
int main(int argc, char *argv[])
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
START_SET("NSRunLoop libdispatch integration")
# ifndef DISPATCH_RL_INTEGRATION
SKIP("No libdispatch, no blocks support or no runloop integration hooks in libdispatch")
# else
[[[Queuer new] autorelease] run];
# endif
END_SET("NSRunLoop libdispatch integration")
[pool release];
return 0;
}
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