-/* crypto/async/arch/async_win.c */
/*
- * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
+ * 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
*/
-#include "../async_locl.h"
+/* This must be the first #include file */
+#include "../async_local.h"
#ifdef ASYNC_WIN
# include <windows.h>
# include "internal/cryptlib.h"
-struct winpool {
- STACK_OF(ASYNC_JOB) *pool;
- size_t curr_size;
- size_t max_size;
-};
-
-void async_start_func(void);
-
-int async_fibre_init_dispatcher(async_fibre *fibre)
+int ASYNC_is_capable(void)
{
- LPVOID dispatcher;
-
- dispatcher =
- (LPVOID) CRYPTO_get_thread_local(CRYPTO_THREAD_LOCAL_ASYNC_DISPATCH);
- if (dispatcher == NULL) {
- fibre->fibre = ConvertThreadToFiber(NULL);
- CRYPTO_set_thread_local(CRYPTO_THREAD_LOCAL_ASYNC_DISPATCH,
- (void *)fibre->fibre);
- } else {
- fibre->fibre = dispatcher;
- }
return 1;
}
-VOID CALLBACK async_start_func_win(PVOID unused)
-{
- async_start_func();
-}
-
-int async_pipe(OSSL_ASYNC_FD *pipefds)
+void async_local_cleanup(void)
{
- if (CreatePipe(&pipefds[0], &pipefds[1], NULL, 256) == 0)
- return 0;
-
- return 1;
+ 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_close_fd(OSSL_ASYNC_FD fd)
+int async_fibre_init_dispatcher(async_fibre *fibre)
{
- if (CloseHandle(fd) == 0)
- return 0;
+ fibre->fibre = ConvertThreadToFiber(NULL);
+ if (fibre->fibre == NULL) {
+ fibre->converted = 0;
+ fibre->fibre = GetCurrentFiber();
+ if (fibre->fibre == NULL)
+ return 0;
+ } else {
+ fibre->converted = 1;
+ }
return 1;
}
-int async_write1(OSSL_ASYNC_FD fd, const void *buf)
-{
- DWORD numwritten = 0;
-
- if (WriteFile(fd, buf, 1, &numwritten, NULL) && numwritten == 1)
- return 1;
-
- return 0;
-}
-
-int async_read1(OSSL_ASYNC_FD fd, void *buf)
-{
- DWORD numread = 0;
-
- if (ReadFile(fd, buf, 1, &numread, NULL) && numread == 1)
- return 1;
-
- return 0;
-}
-
-async_pool *async_get_pool(void)
-{
- return (async_pool *)
- CRYPTO_get_thread_local(CRYPTO_THREAD_LOCAL_ASYNC_POOL);
-}
-
-
-int async_set_pool(async_pool *pool)
+VOID CALLBACK async_start_func_win(PVOID unused)
{
- CRYPTO_set_thread_local(CRYPTO_THREAD_LOCAL_ASYNC_POOL, (void *)pool);
- return 1;
+ async_start_func();
}
#endif