handy category for run some block on a NSThread

NSThread+RunBlock.h

#import <Foundation/Foundation.h>

@interface NSThread (RunBlock)

- (void)performBlock:(void(^)())block;

- (void)performBlock:(void (^)())block afterDelay:(NSTimeInterval)delay;

@end

NSThread+RunBlock.m

#import "NSThread+RunBlock.h"

@implementation NSThread (RunBlock)

- (void)performBlock:(void(^)())block
{
  [self performSelector:@selector(onlyForRunBlock:) onThread:self withObject:block waitUntilDone:NO];
}

- (void)performBlock:(void (^)())block afterDelay:(NSTimeInterval)delay
{
  [self performBlock:^{
    [self performSelector:@selector(onlyForRunBlock:) withObject:block afterDelay:delay];
  }];
}

- (void)onlyForRunBlock:(void(^)())block
{
  block();
}

@end