/* Copyright (C) 1995-1998 Eric Young ([email protected]) * All rights reserved. * * This package is an SSL implementation written * by Eric Young ([email protected]). * The implementation was written so as to conform with Netscapes SSL. * * This library is free for commercial and non-commercial use as long as * the following conditions are aheared to. The following conditions * apply to all code found in this distribution, be it the RC4, RSA, * lhash, DES, etc., code; not just the SSL code. The SSL documentation * included with this distribution is covered by the same copyright terms * except that the holder is Tim Hudson ([email protected]). * * Copyright remains Eric Young's, and as such any Copyright notices in * the code are not to be removed. * If this package is used in a product, Eric Young should be given attribution * as the author of the parts of the library used. * This can be in the form of a textual message at program startup or * in documentation (online or textual) provided with the package. * * 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 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 acknowledgement: * "This product includes cryptographic software written by * Eric Young ([email protected])" * The word 'cryptographic' can be left out if the rouines from the library * being used are not cryptographic related :-). * 4. If you include any Windows specific code (or a derivative thereof) from * the apps directory (application code) you must include an acknowledgement: * "This product includes software written by Tim Hudson ([email protected])" * * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND * ANY EXPRESS 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 AUTHOR OR 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. * * The licence and distribution terms for any publically available version or * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] */ #ifndef OPENSSL_HEADER_THREAD_H #define OPENSSL_HEADER_THREAD_H #include <sys/types.h> #include <openssl/base.h> #if defined(__cplusplus) extern "C" { #endif // CRYPTO_refcount_t is the type of a reference count. // // Since some platforms use C11 atomics to access this, it should have the // _Atomic qualifier. However, this header is included by C++ programs as well // as C code that might not set -std=c11. So, in practice, it's not possible to // do that. Instead we statically assert that the size and native alignment of // a plain uint32_t and an _Atomic uint32_t are equal in refcount.c. CRYPTO_refcount_t; // Deprecated functions. // // Historically, OpenSSL required callers to provide locking callbacks. // BoringSSL is thread-safe by default, but some old code calls these functions // and so no-op implementations are provided. // These defines do nothing but are provided to make old code easier to // compile. #define CRYPTO_LOCK … #define CRYPTO_UNLOCK … #define CRYPTO_READ … #define CRYPTO_WRITE … // CRYPTO_num_locks returns one. (This is non-zero that callers who allocate // sizeof(lock) times this value don't get zero and then fail because malloc(0) // returned NULL.) OPENSSL_EXPORT int CRYPTO_num_locks(void); // CRYPTO_set_locking_callback does nothing. OPENSSL_EXPORT void CRYPTO_set_locking_callback( void (*func)(int mode, int lock_num, const char *file, int line)); // CRYPTO_set_add_lock_callback does nothing. OPENSSL_EXPORT void CRYPTO_set_add_lock_callback(int (*func)( int *num, int amount, int lock_num, const char *file, int line)); // CRYPTO_get_locking_callback returns NULL. OPENSSL_EXPORT void (*CRYPTO_get_locking_callback(void))(int mode, int lock_num, const char *file, int line); // CRYPTO_get_lock_name returns a fixed, dummy string. OPENSSL_EXPORT const char *CRYPTO_get_lock_name(int lock_num); // CRYPTO_THREADID_set_callback returns one. OPENSSL_EXPORT int CRYPTO_THREADID_set_callback( void (*threadid_func)(CRYPTO_THREADID *threadid)); // CRYPTO_THREADID_set_numeric does nothing. OPENSSL_EXPORT void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val); // CRYPTO_THREADID_set_pointer does nothing. OPENSSL_EXPORT void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr); // CRYPTO_THREADID_current does nothing. OPENSSL_EXPORT void CRYPTO_THREADID_current(CRYPTO_THREADID *id); // CRYPTO_set_id_callback does nothing. OPENSSL_EXPORT void CRYPTO_set_id_callback(unsigned long (*func)(void)); CRYPTO_dynlock; // CRYPTO_set_dynlock_create_callback does nothing. OPENSSL_EXPORT void CRYPTO_set_dynlock_create_callback( struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line)); // CRYPTO_set_dynlock_lock_callback does nothing. OPENSSL_EXPORT void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)( int mode, struct CRYPTO_dynlock_value *l, const char *file, int line)); // CRYPTO_set_dynlock_destroy_callback does nothing. OPENSSL_EXPORT void CRYPTO_set_dynlock_destroy_callback( void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line)); // CRYPTO_get_dynlock_create_callback returns NULL. OPENSSL_EXPORT struct CRYPTO_dynlock_value *( *CRYPTO_get_dynlock_create_callback(void))(const char *file, int line); // CRYPTO_get_dynlock_lock_callback returns NULL. OPENSSL_EXPORT void (*CRYPTO_get_dynlock_lock_callback(void))( int mode, struct CRYPTO_dynlock_value *l, const char *file, int line); // CRYPTO_get_dynlock_destroy_callback returns NULL. OPENSSL_EXPORT void (*CRYPTO_get_dynlock_destroy_callback(void))( struct CRYPTO_dynlock_value *l, const char *file, int line); #if defined(__cplusplus) } // extern C #endif #endif // OPENSSL_HEADER_THREAD_H