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/*
* Copyright 2015-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* This must be the first #include file */
#include "../async_local.h"
#ifdef ASYNC_WIN
# include <windows.h>
# include "internal/cryptlib.h"
int ASYNC_is_capable(void)
{
return 1;
}
int ASYNC_set_mem_functions(ASYNC_stack_alloc_fn alloc_fn,
ASYNC_stack_free_fn free_fn)
{
return 0;
}
void ASYNC_get_mem_functions(ASYNC_stack_alloc_fn *alloc_fn,
ASYNC_stack_free_fn *free_fn)
{
if (alloc_fn != NULL)
*alloc_fn = NULL;
if (free_fn != NULL)
*free_fn = NULL;
}
void async_local_cleanup(void)
{
async_ctx *ctx = async_get_ctx();
if (ctx != NULL) {
async_fibre *fibre = &ctx->dispatcher;
if (fibre != NULL && fibre->fibre != NULL && fibre->converted) {
ConvertFiberToThread();
fibre->fibre = NULL;
}
}
}
int async_fibre_init_dispatcher(async_fibre *fibre)
{
# if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x600
fibre->fibre = ConvertThreadToFiberEx(NULL, FIBER_FLAG_FLOAT_SWITCH);
# else
fibre->fibre = ConvertThreadToFiber(NULL);
# endif
if (fibre->fibre == NULL) {
fibre->converted = 0;
fibre->fibre = GetCurrentFiber();
if (fibre->fibre == NULL)
return 0;
} else {
fibre->converted = 1;
}
return 1;
}
VOID CALLBACK async_start_func_win(PVOID unused)
{
async_start_func();
}
#endif
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