| /* |
| * 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 |