Categories/NSProcessInfo+Debugging.m

   1 //
   2 //  NSProcessInfo+Debugging.m
   3 //  Enjoyable
   4 //
   5 //  Created by Joe Wreschnig on 3/17/13.
   6 //
   7 //
   8
   9 #import "NSProcessInfo+Debugging.h"
  10
  11 #include <assert.h>
  12 #include <stdbool.h>
  13 #include <sys/types.h>
  14 #include <unistd.h>
  15 #include <sys/sysctl.h>
  16
  17 @implementation NSProcessInfo (Debugging)
  18
  19 - (BOOL)isBeingDebugged {
  20 #ifdef DEBUG
  21     int mib[4];
  22     struct kinfo_proc info;
  23     size_t size = sizeof(info);
  24
  25     info.kp_proc.p_flag = 0;
  26
  27     mib[0] = CTL_KERN;
  28     mib[1] = KERN_PROC;
  29     mib[2] = KERN_PROC_PID;
  30     mib[3] = self.processIdentifier;
  31
  32     return sysctl(mib, sizeof(mib) / sizeof(*mib), &info, &size, NULL, 0) == 0
  33         && (info.kp_proc.p_flag & P_TRACED) != 0;
  34 #else
  35     return NO;
  36 #endif
  37 }
  38
  39 @end