#include <stdio.h>
#import "OFString.h"
#import "OFThread.h"
OFObject *lock;
@interface MyThread: OFThread
- main;
@end
@implementation MyThread
- main
{
printf("[%s] Entering #1\n", [object cString]);
@synchronized (lock) {
printf("[%s] Entering #2\n", [object cString]);
@synchronized (lock) {
printf("[%s] Hello!\n", [object cString]);
}
printf("[%s] Left #2\n", [object cString]);
}
printf("[%s] Left #1\n", [object cString]);
return nil;
}
@end
int
main()
{
lock = [[OFObject alloc] init];
MyThread *t1 = [MyThread threadWithObject: @"A"];
MyThread *t2 = [MyThread threadWithObject: @"B"];
[t1 join];
[t2 join];
return 0;
}