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/*
* Copyright 2019-2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_INTERNAL_THREAD_ARCH_H
# define OSSL_INTERNAL_THREAD_ARCH_H
# include <openssl/configuration.h>
# include <openssl/e_os2.h>
# include "internal/time.h"
# if defined(_WIN32)
# include <windows.h>
# endif
# if defined(OPENSSL_THREADS) && defined(OPENSSL_SYS_UNIX)
# define OPENSSL_THREADS_POSIX
# elif defined(OPENSSL_THREADS) && defined(OPENSSL_SYS_VMS)
# define OPENSSL_THREADS_POSIX
# elif defined(OPENSSL_THREADS) && defined(OPENSSL_SYS_WINDOWS) && \
defined(_WIN32_WINNT)
# if _WIN32_WINNT >= 0x0600
# define OPENSSL_THREADS_WINNT
# elif _WIN32_WINNT >= 0x0501
# define OPENSSL_THREADS_WINNT
# define OPENSSL_THREADS_WINNT_LEGACY
# else
# define OPENSSL_THREADS_NONE
# endif
# else
# define OPENSSL_THREADS_NONE
# endif
# include <openssl/crypto.h>
typedef struct crypto_mutex_st CRYPTO_MUTEX;
typedef struct crypto_condvar_st CRYPTO_CONDVAR;
CRYPTO_MUTEX *ossl_crypto_mutex_new(void);
void ossl_crypto_mutex_lock(CRYPTO_MUTEX *mutex);
int ossl_crypto_mutex_try_lock(CRYPTO_MUTEX *mutex);
void ossl_crypto_mutex_unlock(CRYPTO_MUTEX *mutex);
void ossl_crypto_mutex_free(CRYPTO_MUTEX **mutex);
CRYPTO_CONDVAR *ossl_crypto_condvar_new(void);
void ossl_crypto_condvar_wait(CRYPTO_CONDVAR *cv, CRYPTO_MUTEX *mutex);
void ossl_crypto_condvar_wait_timeout(CRYPTO_CONDVAR *cv, CRYPTO_MUTEX *mutex,
OSSL_TIME deadline);
void ossl_crypto_condvar_broadcast(CRYPTO_CONDVAR *cv);
void ossl_crypto_condvar_signal(CRYPTO_CONDVAR *cv);
void ossl_crypto_condvar_free(CRYPTO_CONDVAR **cv);
typedef uint32_t CRYPTO_THREAD_RETVAL;
typedef CRYPTO_THREAD_RETVAL (*CRYPTO_THREAD_ROUTINE)(void *);
typedef CRYPTO_THREAD_RETVAL (*CRYPTO_THREAD_ROUTINE_CB)(void *,
void (**)(void *),
void **);
# define CRYPTO_THREAD_NO_STATE 0UL
# define CRYPTO_THREAD_FINISHED (1UL << 0)
# define CRYPTO_THREAD_JOIN_AWAIT (1UL << 1)
# define CRYPTO_THREAD_JOINED (1UL << 2)
# define CRYPTO_THREAD_GET_STATE(THREAD, FLAG) ((THREAD)->state & (FLAG))
# define CRYPTO_THREAD_GET_ERROR(THREAD, FLAG) (((THREAD)->state >> 16) & (FLAG))
typedef struct crypto_thread_st {
uint32_t state;
void *data;
CRYPTO_THREAD_ROUTINE routine;
CRYPTO_THREAD_RETVAL retval;
void *handle;
CRYPTO_MUTEX *lock;
CRYPTO_MUTEX *statelock;
CRYPTO_CONDVAR *condvar;
unsigned long thread_id;
int joinable;
OSSL_LIB_CTX *ctx;
} CRYPTO_THREAD;
# if defined(OPENSSL_THREADS)
# define CRYPTO_THREAD_UNSET_STATE(THREAD, FLAG) \
do { \
(THREAD)->state &= ~(FLAG); \
} while ((void)0, 0)
# define CRYPTO_THREAD_SET_STATE(THREAD, FLAG) \
do { \
(THREAD)->state |= (FLAG); \
} while ((void)0, 0)
# define CRYPTO_THREAD_SET_ERROR(THREAD, FLAG) \
do { \
(THREAD)->state |= ((FLAG) << 16); \
} while ((void)0, 0)
# define CRYPTO_THREAD_UNSET_ERROR(THREAD, FLAG) \
do { \
(THREAD)->state &= ~((FLAG) << 16); \
} while ((void)0, 0)
# else
# define CRYPTO_THREAD_UNSET_STATE(THREAD, FLAG)
# define CRYPTO_THREAD_SET_STATE(THREAD, FLAG)
# define CRYPTO_THREAD_SET_ERROR(THREAD, FLAG)
# define CRYPTO_THREAD_UNSET_ERROR(THREAD, FLAG)
# endif /* defined(OPENSSL_THREADS) */
CRYPTO_THREAD * ossl_crypto_thread_native_start(CRYPTO_THREAD_ROUTINE routine,
void *data, int joinable);
int ossl_crypto_thread_native_spawn(CRYPTO_THREAD *thread);
int ossl_crypto_thread_native_join(CRYPTO_THREAD *thread,
CRYPTO_THREAD_RETVAL *retval);
int ossl_crypto_thread_native_perform_join(CRYPTO_THREAD *thread,
CRYPTO_THREAD_RETVAL *retval);
int ossl_crypto_thread_native_exit(void);
int ossl_crypto_thread_native_is_self(CRYPTO_THREAD *thread);
int ossl_crypto_thread_native_clean(CRYPTO_THREAD *thread);
#endif /* OSSL_INTERNAL_THREAD_ARCH_H */
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