diff options
| author | Richard Levitte <levitte@openssl.org> | 2016-03-29 16:48:02 +0200 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2016-03-30 11:22:42 +0200 |
| commit | 84af71a916d0bfce4dde135e4a5fe60d75f4940c (patch) | |
| tree | 5b39e6add40a06f3a621ee4aaf6a1040f3ac8deb /crypto/dllmain.c | |
| parent | 2a08d1a05db937f8b1a62422b78ffe2fa07d3ead (diff) | |
Break out DllMain from crypto/cryptlib.c and use it in shared libs only
Reviewed-by: Andy Polyakov <appro@openssl.org>
Diffstat (limited to 'crypto/dllmain.c')
| -rw-r--r-- | crypto/dllmain.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/crypto/dllmain.c b/crypto/dllmain.c new file mode 100644 index 0000000000..0a229b57f9 --- /dev/null +++ b/crypto/dllmain.c @@ -0,0 +1,51 @@ +#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 + |