db_threading.c 2.0 KB

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  1. /* -*- mode:c; c-file-style:"k&r"; c-basic-offset: 4; tab-width:4; indent-tabs-mode:nil; mode:auto-fill; fill-column:78; -*- */
  2. /* vim: set ts=4 sw=4 et tw=78 fo=cqt wm=0: */
  3. /* Copyright (C) 2014 Stony Brook University
  4. This file is part of Graphene Library OS.
  5. Graphene Library OS is free software: you can redistribute it and/or
  6. modify it under the terms of the GNU Lesser General Public License
  7. as published by the Free Software Foundation, either version 3 of the
  8. License, or (at your option) any later version.
  9. Graphene Library OS is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12. GNU Lesser General Public License for more details.
  13. You should have received a copy of the GNU Lesser General Public License
  14. along with this program. If not, see <http://www.gnu.org/licenses/>. */
  15. /*
  16. * db_threading.c
  17. *
  18. * This file contain APIs to create, exit and yield a thread.
  19. */
  20. #include "pal_defs.h"
  21. #include "pal.h"
  22. #include "pal_internal.h"
  23. #include "pal_error.h"
  24. #include "pal_debug.h"
  25. #include "api.h"
  26. /* _DkThreadCreate for internal use. Create an internal thread
  27. inside the current process. The arguments callback and param
  28. specify the starting function and parameters */
  29. int _DkThreadCreate (PAL_HANDLE * handle, int (*callback) (void *),
  30. const void * param, int flags)
  31. {
  32. return -PAL_ERROR_NOTIMPLEMENTED;
  33. }
  34. int _DkThreadDelayExecution (unsigned long * duration)
  35. {
  36. return -PAL_ERROR_NOTIMPLEMENTED;
  37. }
  38. /* PAL call DkThreadYieldExecution. Yield the execution
  39. of the current thread. */
  40. void _DkThreadYieldExecution (void)
  41. {
  42. /* need to be implemented */
  43. }
  44. /* _DkThreadExit for internal use: Thread exiting */
  45. void _DkThreadExit (void)
  46. {
  47. /* need to be implemented */
  48. }
  49. int _DkThreadResume (PAL_HANDLE threadHandle)
  50. {
  51. return -PAL_ERROR_NOTIMPLEMENTED;
  52. }
  53. struct handle_ops thread_ops = {
  54. /* nothing */
  55. };