X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fthreads_win.c;h=4e0de908ee269510d8831c7110606722c50f8fe7;hp=bee628ff8196597bba03d8c2a7d873935529beef;hb=af6de400b49c011600cfd557319d1142da6e5cbd;hpb=71a04cfca03bf6d5a93ad3ffd23e0fb9e0da2919 diff --git a/crypto/threads_win.c b/crypto/threads_win.c index bee628ff81..4e0de908ee 100644 --- a/crypto/threads_win.c +++ b/crypto/threads_win.c @@ -1,54 +1,17 @@ -/* ==================================================================== - * Copyright (c) 2016 The OpenSSL Project. All rights reserved. +/* + * Copyright 2016 The OpenSSL Project Authors. 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 - * openssl-core@openssl.org. - * - * 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 OpenSSL license (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 */ +#if defined(_WIN32) +# include +#endif + #include -#include "internal/threads.h" #if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG) && defined(OPENSSL_SYS_WINDOWS) @@ -59,8 +22,10 @@ CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void) return NULL; /* 0x400 is the spin count value suggested in the documentation */ - if (!InitializeCriticalSectionAndSpinCount(lock, 0x400)) + if (!InitializeCriticalSectionAndSpinCount(lock, 0x400)) { + OPENSSL_free(lock); return NULL; + } return lock; } @@ -94,12 +59,14 @@ void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock) return; } -# if _WIN32_WINNT < 0x0600 - # define ONCE_UNINITED 0 # define ONCE_ININIT 1 # define ONCE_DONE 2 +/* + * We don't use InitOnceExecuteOnce because that isn't available in WinXP which + * we still have to support. + */ int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void)) { LONG volatile *lock = (LONG *)once; @@ -120,27 +87,6 @@ int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void)) return (*lock == ONCE_DONE); } -# else - -BOOL CALLBACK once_cb(PINIT_ONCE once, PVOID p, PVOID *pp) -{ - void (*init)(void) = p; - - init(); - - return TRUE; -} - -void CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void)) -{ - if (InitOnceExecuteOnce(once, once_cb, init, NULL)) - return 0; - - return 1; -} - -# endif - int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *)) { *key = TlsAlloc();