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      1 /*
      2  * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
      3  *
      4  * Licensed under the Apache License 2.0 (the "License").  You may not use
      5  * this file except in compliance with the License.  You can obtain a copy
      6  * in the file LICENSE in the source distribution or at
      7  * https://www.openssl.org/source/license.html
      8  */
      9 
     10 #ifndef OPENSSL_INTERNAL_THREAD_H
     11 #define OPENSSL_INTERNAL_THREAD_H
     12 #include <openssl/configuration.h>
     13 #include <internal/thread_arch.h>
     14 #include <openssl/e_os2.h>
     15 #include <openssl/types.h>
     16 #include <internal/cryptlib.h>
     17 #include "crypto/context.h"
     18 
     19 void *ossl_crypto_thread_start(OSSL_LIB_CTX *ctx, CRYPTO_THREAD_ROUTINE start,
     20     void *data);
     21 int ossl_crypto_thread_join(void *task, CRYPTO_THREAD_RETVAL *retval);
     22 int ossl_crypto_thread_clean(void *vhandle);
     23 uint64_t ossl_get_avail_threads(OSSL_LIB_CTX *ctx);
     24 
     25 #if defined(OPENSSL_THREADS)
     26 
     27 #define OSSL_LIB_CTX_GET_THREADS(CTX) \
     28     ossl_lib_ctx_get_data(CTX, OSSL_LIB_CTX_THREAD_INDEX);
     29 
     30 typedef struct openssl_threads_st {
     31     uint64_t max_threads;
     32     uint64_t active_threads;
     33     CRYPTO_MUTEX *lock;
     34     CRYPTO_CONDVAR *cond_finished;
     35 } OSSL_LIB_CTX_THREADS;
     36 
     37 #endif /* defined(OPENSSL_THREADS) */
     38 
     39 #endif /* OPENSSL_INTERNAL_THREAD_H */
     40