async_win.h 1.4 KB

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  1. /*
  2. * Copyright 2015-2022 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. /*
  10. * This is the same detection used in cryptlib to set up the thread local
  11. * storage that we depend on, so just copy that
  12. */
  13. #if defined(_WIN32) && !defined(OPENSSL_NO_ASYNC)
  14. #include <openssl/async.h>
  15. # define ASYNC_WIN
  16. # define ASYNC_ARCH
  17. # include <windows.h>
  18. # include "internal/cryptlib.h"
  19. typedef struct async_fibre_st {
  20. LPVOID fibre;
  21. int converted;
  22. } async_fibre;
  23. # define async_fibre_swapcontext(o,n,r) \
  24. (SwitchToFiber((n)->fibre), 1)
  25. # if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x600
  26. # define async_fibre_makecontext(c) \
  27. ((c)->fibre = CreateFiberEx(0, 0, FIBER_FLAG_FLOAT_SWITCH, \
  28. async_start_func_win, 0))
  29. # else
  30. # define async_fibre_makecontext(c) \
  31. ((c)->fibre = CreateFiber(0, async_start_func_win, 0))
  32. # endif
  33. # define async_fibre_free(f) (DeleteFiber((f)->fibre))
  34. # define async_local_init() 1
  35. # define async_local_deinit()
  36. int async_fibre_init_dispatcher(async_fibre *fibre);
  37. VOID CALLBACK async_start_func_win(PVOID unused);
  38. #endif