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