Check whether your iOS program is being debugged

The following C function can be used to check whether your program is being debugged:

 

static bool debuggerRunning(void){ int junk; int mib[4]; struct kinfo_proc info; size_t size;  info.kp_proc.p_flag = 0;  mib[0] = CTL_KERN; mib[1] = KERN_PROC; mib[2] = KERN_PROC_PID; mib[3] = getpid();  size = sizeof(info); junk = sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, NULL, 0); assert(junk == 0);  // If P_TRACED flag set, debugger running return ( (info.kp_proc.p_flag & P_TRACED) != 0 );}

You can use:

if (debuggerRunning()) NSLog(@"Debugger running");else NSLog(@"Debugger not running");