--- /dev/null
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * 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 (tjh@cryptsoft.com).
+ *
+ * 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 (eay@cryptsoft.com)"
+ * 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 (tjh@cryptsoft.com)"
+ *
+ * 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
+
+
+#if defined(OPENSSL_NO_THREADS)
+typedef struct crypto_mutex_st {
+ char padding; // Empty structs have different sizes in C and C++.
+} CRYPTO_MUTEX;
+#elif defined(OPENSSL_WINDOWS)
+// CRYPTO_MUTEX can appear in public header files so we really don't want to
+// pull in windows.h. It's statically asserted that this structure is large
+// enough to contain a Windows SRWLOCK by thread_win.c.
+typedef union crypto_mutex_st {
+ void *handle;
+} CRYPTO_MUTEX;
+#elif defined(__MACH__) && defined(__APPLE__)
+typedef pthread_rwlock_t CRYPTO_MUTEX;
+#else
+// It is reasonable to include pthread.h on non-Windows systems, however the
+// |pthread_rwlock_t| that we need is hidden under feature flags, and we can't
+// ensure that we'll be able to get it. It's statically asserted that this
+// structure is large enough to contain a |pthread_rwlock_t| by
+// thread_pthread.c.
+typedef union crypto_mutex_st {
+ double alignment;
+ uint8_t padding[3*sizeof(int) + 5*sizeof(unsigned) + 16 + 8];
+} CRYPTO_MUTEX;
+#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_c11.c.
+typedef uint32_t 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 1
+#define CRYPTO_UNLOCK 2
+#define CRYPTO_READ 4
+#define CRYPTO_WRITE 8
+
+// 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));
+
+typedef struct {
+ int references;
+ struct CRYPTO_dynlock_value *data;
+} 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