gistfile1.txt

Wraith:Desktop tatd2$ clang -framework Foundation test.m
Wraith:Desktop tatd2$ ./a.out 
2011-10-31 21:57:46.840 a.out[916:707] Before
2011-10-31 21:57:46.843 a.out[916:707] After
Wraith:Desktop tatd2$ cat test.m
#import <Foundation/Foundation.h>

int main (int argc, char **argv)
{
    @autoreleasepool
    {
        NSLog(@"Before");
        [NSTask launchedTaskWithLaunchPath:@"/bin/sleep" arguments:[NSArray arrayWithObject:@"20"]];
        NSLog(@"After");
    }
}