diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/idevice.c | 104 |
1 files changed, 47 insertions, 57 deletions
diff --git a/src/idevice.c b/src/idevice.c index b14db66..d07b691 100644 --- a/src/idevice.c +++ b/src/idevice.c @@ -124,32 +124,32 @@ static void id_function(CRYPTO_THREADID *thread) #endif #endif /* HAVE_OPENSSL */ -static void internal_idevice_init(void) -{ -#if defined(HAVE_OPENSSL) -#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER) - int i; - SSL_library_init(); - - mutex_buf = malloc(CRYPTO_num_locks() * sizeof(mutex_t)); - if (!mutex_buf) - return; - for (i = 0; i < CRYPTO_num_locks(); i++) - mutex_init(&mutex_buf[i]); - -#if OPENSSL_VERSION_NUMBER < 0x10000000L - CRYPTO_set_id_callback(id_function); +// Reference: https://stackoverflow.com/a/2390626/1806760 +// Initializer/finalizer sample for MSVC and GCC/Clang. +// 2010-2016 Joe Lowe. Released into the public domain. + +#ifdef __cplusplus + #define INITIALIZER(f) \ + static void f(void); \ + struct f##_t_ { f##_t_(void) { f(); } }; static f##_t_ f##_; \ + static void f(void) +#elif defined(_MSC_VER) + #pragma section(".CRT$XCU",read) + #define INITIALIZER2_(f,p) \ + static void f(void); \ + __declspec(allocate(".CRT$XCU")) void (*f##_)(void) = f; \ + __pragma(comment(linker,"/include:" p #f "_")) \ + static void f(void) + #ifdef _WIN64 + #define INITIALIZER(f) INITIALIZER2_(f,"") + #else + #define INITIALIZER(f) INITIALIZER2_(f,"_") + #endif #else - CRYPTO_THREADID_set_callback(id_function); + #define INITIALIZER(f) \ + static void f(void) __attribute__((__constructor__)); \ + static void f(void) #endif - CRYPTO_set_locking_callback(locking_function); -#endif -#elif defined(HAVE_GNUTLS) - gnutls_global_init(); -#elif defined(HAVE_MBEDTLS) - // NO-OP -#endif -} static void internal_idevice_deinit(void) { @@ -181,43 +181,33 @@ static void internal_idevice_deinit(void) #endif } -static thread_once_t init_once = THREAD_ONCE_INIT; -static thread_once_t deinit_once = THREAD_ONCE_INIT; - -#ifndef HAVE_ATTRIBUTE_CONSTRUCTOR - #if defined(__llvm__) || defined(__GNUC__) - #define HAVE_ATTRIBUTE_CONSTRUCTOR - #endif -#endif - -#ifdef HAVE_ATTRIBUTE_CONSTRUCTOR -static void __attribute__((constructor)) libimobiledevice_initialize(void) +INITIALIZER(internal_idevice_init) { - thread_once(&init_once, internal_idevice_init); -} +#if defined(HAVE_OPENSSL) +#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER) + int i; + SSL_library_init(); -static void __attribute__((destructor)) libimobiledevice_deinitialize(void) -{ - thread_once(&deinit_once, internal_idevice_deinit); -} -#elif defined(WIN32) -BOOL WINAPI DllMain(HINSTANCE hModule, DWORD dwReason, LPVOID lpReserved) -{ - switch (dwReason) { - case DLL_PROCESS_ATTACH: - thread_once(&init_once, internal_idevice_init); - break; - case DLL_PROCESS_DETACH: - thread_once(&deinit_once, internal_idevice_deinit); - break; - default: - break; - } - return 1; -} + mutex_buf = malloc(CRYPTO_num_locks() * sizeof(mutex_t)); + if (!mutex_buf) + return; + for (i = 0; i < CRYPTO_num_locks(); i++) + mutex_init(&mutex_buf[i]); + +#if OPENSSL_VERSION_NUMBER < 0x10000000L + CRYPTO_set_id_callback(id_function); #else -#warning No compiler support for constructor/destructor attributes, some features might not be available. + CRYPTO_THREADID_set_callback(id_function); +#endif + CRYPTO_set_locking_callback(locking_function); #endif +#elif defined(HAVE_GNUTLS) + gnutls_global_init(); +#elif defined(HAVE_MBEDTLS) + // NO-OP +#endif + atexit(internal_idevice_deinit); +} const char* libimobiledevice_version() { |