include/internal/thread.h

   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 */