Stopping NSThread from withing a C method

Hi
I've got some legacy C code that I'm using from within a 'detached thread' launched from Obj-C code (using the NSThread start method). I need to be able to cancel/stop this thread but don't know how this is possible since I'm in C land which knows nothing about NSThread. Is there a way to use pthreads from the C code to check if [NSThread cancel] was called?

Have you tried something like this?
// in one of your legacy header files
extern void checkThread(void);
// in a .m file
#import <UIKit/UIKit.h>
void checkThread() {
NSThread *t = [NSThread currentThread];
bool bCancelled = [t isCancelled];
printf("bCancelled = %d
", bCancelled);
The above avoids making UIKit.h visible to your legacy .c files in case they don't like it.

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Stopping NSThread from withing a C method

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