|  | /* | 
|  | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. | 
|  | * | 
|  | * 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 | 
|  | */ | 
|  |  | 
|  | #include "internal/cryptlib_int.h" | 
|  |  | 
|  | #if defined(_WIN32) || defined(__CYGWIN__) | 
|  | # ifdef __CYGWIN__ | 
|  | /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | 
|  | #  include <windows.h> | 
|  | /* | 
|  | * this has side-effect of _WIN32 getting defined, which otherwise is | 
|  | * mutually exclusive with __CYGWIN__... | 
|  | */ | 
|  | # endif | 
|  |  | 
|  | /* | 
|  | * All we really need to do is remove the 'error' state when a thread | 
|  | * detaches | 
|  | */ | 
|  |  | 
|  | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved); | 
|  | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) | 
|  | { | 
|  | switch (fdwReason) { | 
|  | case DLL_PROCESS_ATTACH: | 
|  | OPENSSL_cpuid_setup(); | 
|  | # if defined(_WIN32_WINNT) | 
|  | { | 
|  | IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *) hinstDLL; | 
|  | IMAGE_NT_HEADERS *nt_headers; | 
|  |  | 
|  | if (dos_header->e_magic == IMAGE_DOS_SIGNATURE) { | 
|  | nt_headers = (IMAGE_NT_HEADERS *) ((char *)dos_header | 
|  | + dos_header->e_lfanew); | 
|  | if (nt_headers->Signature == IMAGE_NT_SIGNATURE && | 
|  | hinstDLL != | 
|  | (HINSTANCE) (nt_headers->OptionalHeader.ImageBase)) | 
|  | OPENSSL_NONPIC_relocated = 1; | 
|  | } | 
|  | } | 
|  | # endif | 
|  | break; | 
|  | case DLL_THREAD_ATTACH: | 
|  | break; | 
|  | case DLL_THREAD_DETACH: | 
|  | OPENSSL_thread_stop(); | 
|  | break; | 
|  | case DLL_PROCESS_DETACH: | 
|  | break; | 
|  | } | 
|  | return (TRUE); | 
|  | } | 
|  | #endif | 
|  |  |