git.zerfleddert.de Git - proxmark3-svn/blob - client/util_posix.c

   1 //-----------------------------------------------------------------------------
   2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
   3 //
   4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
   5 // at your option, any later version. See the LICENSE.txt file for the text of
   6 // the license.
   7 //-----------------------------------------------------------------------------
   8 // utilities requiring Posix library functions
   9 //-----------------------------------------------------------------------------
  10
  11 #if !defined(_WIN32)
  12 #define _POSIX_C_SOURCE 199309L                 // need nanosleep()
  13 #else
  14 #include <windows.h>
  15 #endif
  16
  17 #include "util_posix.h"
  18 #include <stdint.h>
  19 #include <time.h>
  20
  21
  22 // Timer functions
  23 #if !defined (_WIN32)
  24 #include <errno.h>
  25
  26 static void nsleep(uint64_t n) {
  27   struct timespec timeout;
  28   timeout.tv_sec = n/1000000000;
  29   timeout.tv_nsec = n%1000000000;
  30   while (nanosleep(&timeout, &timeout) && errno == EINTR);
  31 }
  32
  33 void msleep(uint32_t n) {
  34         nsleep(1000000 * n);
  35 }
  36 #endif // _WIN32
  37
  38 // a milliseconds timer for performance measurement
  39 uint64_t msclock() {
  40 #if defined(_WIN32)
  41     #include <sys/types.h>
  42
  43     // WORKAROUND FOR MinGW (some versions - use if normal code does not compile)
  44     // It has no _ftime_s and needs explicit inclusion of timeb.h
  45     #include <sys/timeb.h>
  46     struct _timeb t;
  47     _ftime(&t);
  48     return 1000 * t.time + t.millitm;
  49
  50     // NORMAL CODE (use _ftime_s)
  51         //struct _timeb t;
  52     //if (_ftime_s(&t)) {
  53         //      return 0;
  54         //} else {
  55         //      return 1000 * t.time + t.millitm;
  56         //}
  57 #else
  58         struct timespec t;
  59         clock_gettime(CLOCK_MONOTONIC, &t);
  60         return (t.tv_sec * 1000 + t.tv_nsec / 1000000);
  61 #endif
  62 }
  63