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 #include <openssl/configuration.h> 11 #include <openssl/thread.h> 12 #include <internal/thread.h> 13 OSSL_get_thread_support_flags(void)14uint32_t OSSL_get_thread_support_flags(void) 15 { 16 int support = 0; 17 18 #if !defined(OPENSSL_NO_THREAD_POOL) 19 support |= OSSL_THREAD_SUPPORT_FLAG_THREAD_POOL; 20 #endif 21 #if !defined(OPENSSL_NO_DEFAULT_THREAD_POOL) 22 support |= OSSL_THREAD_SUPPORT_FLAG_DEFAULT_SPAWN; 23 #endif 24 25 return support; 26 } 27 28 #if defined(OPENSSL_NO_THREAD_POOL) || defined(OPENSSL_NO_DEFAULT_THREAD_POOL) 29 OSSL_set_max_threads(OSSL_LIB_CTX * ctx,uint64_t max_threads)30int OSSL_set_max_threads(OSSL_LIB_CTX *ctx, uint64_t max_threads) 31 { 32 return 0; 33 } 34 OSSL_get_max_threads(OSSL_LIB_CTX * ctx)35uint64_t OSSL_get_max_threads(OSSL_LIB_CTX *ctx) 36 { 37 return 0; 38 } 39 40 #else 41 OSSL_get_max_threads(OSSL_LIB_CTX * ctx)42uint64_t OSSL_get_max_threads(OSSL_LIB_CTX *ctx) 43 { 44 uint64_t ret = 0; 45 OSSL_LIB_CTX_THREADS *tdata = OSSL_LIB_CTX_GET_THREADS(ctx); 46 47 if (tdata == NULL) 48 goto fail; 49 50 ossl_crypto_mutex_lock(tdata->lock); 51 ret = tdata->max_threads; 52 ossl_crypto_mutex_unlock(tdata->lock); 53 54 fail: 55 return ret; 56 } 57 OSSL_set_max_threads(OSSL_LIB_CTX * ctx,uint64_t max_threads)58int OSSL_set_max_threads(OSSL_LIB_CTX *ctx, uint64_t max_threads) 59 { 60 OSSL_LIB_CTX_THREADS *tdata; 61 62 tdata = OSSL_LIB_CTX_GET_THREADS(ctx); 63 if (tdata == NULL) 64 return 0; 65 66 ossl_crypto_mutex_lock(tdata->lock); 67 tdata->max_threads = max_threads; 68 ossl_crypto_mutex_unlock(tdata->lock); 69 70 return 1; 71 } 72 73 #endif 74
