crypto/async/arch/async_win.h

   1 /*
   2  * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
   3  */
   4 /* ====================================================================
   5  * Copyright (c) 2015 The OpenSSL Project.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  *
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  *
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in
  16  *    the documentation and/or other materials provided with the
  17  *    distribution.
  18  *
  19  * 3. All advertising materials mentioning features or use of this
  20  *    software must display the following acknowledgment:
  21  *    "This product includes software developed by the OpenSSL Project
  22  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  23  *
  24  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  25  *    endorse or promote products derived from this software without
  26  *    prior written permission. For written permission, please contact
  27  *    licensing@OpenSSL.org.
  28  *
  29  * 5. Products derived from this software may not be called "OpenSSL"
  30  *    nor may "OpenSSL" appear in their names without prior written
  31  *    permission of the OpenSSL Project.
  32  *
  33  * 6. Redistributions of any form whatsoever must retain the following
  34  *    acknowledgment:
  35  *    "This product includes software developed by the OpenSSL Project
  36  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  37  *
  38  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  39  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  40  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  41  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  42  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  43  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  44  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  45  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  46  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  47  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  48  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  49  * OF THE POSSIBILITY OF SUCH DAMAGE.
  50  * ====================================================================
  51  */
  52
  53 /*
  54  * This is the same detection used in cryptlib to set up the thread local
  55  * storage that we depend on, so just copy that
  56  */
  57 #if defined(_WIN32)
  58 #include <openssl/async.h>
  59 # define ASYNC_WIN
  60 # define ASYNC_ARCH
  61
  62 # include <windows.h>
  63 # include "internal/cryptlib.h"
  64
  65 typedef struct async_fibre_st {
  66     LPVOID fibre;
  67     int converted;
  68 } async_fibre;
  69
  70 # define async_fibre_swapcontext(o,n,r) \
  71         (SwitchToFiber((n)->fibre), 1)
  72 # define async_fibre_makecontext(c) \
  73         ((c)->fibre = CreateFiber(0, async_start_func_win, 0))
  74 # define async_fibre_free(f)             (DeleteFiber((f)->fibre))
  75
  76 async_ctx *async_get_ctx(void);
  77 int async_set_ctx(async_ctx *ctx);
  78
  79 int async_fibre_init_dispatcher(async_fibre *fibre);
  80 VOID CALLBACK async_start_func_win(PVOID unused);
  81
  82 async_pool *async_get_pool(void);
  83 int async_set_pool(async_pool *pool);
  84
  85 #endif