xref: /openssl/include/internal/thread.h (revision 4574a7fd)
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