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b1322259 | 1 | /* |
677963e5 | 2 | * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved. |
b1322259 RS |
3 | * |
4 | * Licensed under the OpenSSL license (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
677963e5 | 10 | #include "e_os.h" |
07016a8a | 11 | #include "internal/cryptlib_int.h" |
84af71a9 RL |
12 | |
13 | #if defined(_WIN32) || defined(__CYGWIN__) | |
14 | # ifdef __CYGWIN__ | |
15 | /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | |
16 | # include <windows.h> | |
17 | /* | |
18 | * this has side-effect of _WIN32 getting defined, which otherwise is | |
19 | * mutually exclusive with __CYGWIN__... | |
20 | */ | |
21 | # endif | |
22 | ||
23 | /* | |
24 | * All we really need to do is remove the 'error' state when a thread | |
25 | * detaches | |
26 | */ | |
27 | ||
28 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved); | |
29 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) | |
30 | { | |
31 | switch (fdwReason) { | |
32 | case DLL_PROCESS_ATTACH: | |
33 | OPENSSL_cpuid_setup(); | |
34 | # if defined(_WIN32_WINNT) | |
35 | { | |
36 | IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *) hinstDLL; | |
37 | IMAGE_NT_HEADERS *nt_headers; | |
38 | ||
39 | if (dos_header->e_magic == IMAGE_DOS_SIGNATURE) { | |
40 | nt_headers = (IMAGE_NT_HEADERS *) ((char *)dos_header | |
41 | + dos_header->e_lfanew); | |
42 | if (nt_headers->Signature == IMAGE_NT_SIGNATURE && | |
43 | hinstDLL != | |
44 | (HINSTANCE) (nt_headers->OptionalHeader.ImageBase)) | |
45 | OPENSSL_NONPIC_relocated = 1; | |
46 | } | |
47 | } | |
48 | # endif | |
49 | break; | |
50 | case DLL_THREAD_ATTACH: | |
51 | break; | |
52 | case DLL_THREAD_DETACH: | |
53 | OPENSSL_thread_stop(); | |
54 | break; | |
55 | case DLL_PROCESS_DETACH: | |
56 | break; | |
57 | } | |
26a7d938 | 58 | return TRUE; |
84af71a9 RL |
59 | } |
60 | #endif | |
61 |