platform_utils.c 1.7 KB

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  1. /*
  2. * ***** BEGIN LICENSE BLOCK *****
  3. * Version: MIT
  4. *
  5. * Portions created by Alan Antonuk are Copyright (c) 2012-2013
  6. * Alan Antonuk. All Rights Reserved.
  7. *
  8. * Portions created by VMware are Copyright (c) 2007-2012 VMware, Inc.
  9. * All Rights Reserved.
  10. *
  11. * Portions created by Tony Garnock-Jones are Copyright (c) 2009-2010
  12. * VMware, Inc. and Tony Garnock-Jones. All Rights Reserved.
  13. *
  14. * Permission is hereby granted, free of charge, to any person
  15. * obtaining a copy of this software and associated documentation
  16. * files (the "Software"), to deal in the Software without
  17. * restriction, including without limitation the rights to use, copy,
  18. * modify, merge, publish, distribute, sublicense, and/or sell copies
  19. * of the Software, and to permit persons to whom the Software is
  20. * furnished to do so, subject to the following conditions:
  21. *
  22. * The above copyright notice and this permission notice shall be
  23. * included in all copies or substantial portions of the Software.
  24. *
  25. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32. * SOFTWARE.
  33. * ***** END LICENSE BLOCK *****
  34. */
  35. #include <stdint.h>
  36. #include <windows.h>
  37. uint64_t now_microseconds(void) {
  38. FILETIME ft;
  39. GetSystemTimeAsFileTime(&ft);
  40. return (((uint64_t)ft.dwHighDateTime << 32) | (uint64_t)ft.dwLowDateTime) /
  41. 10;
  42. }
  43. void microsleep(int usec) { Sleep(usec / 1000); }