mirror of https://github.com/openssl/openssl.git
				
				
				
			
		
			
				
	
	
		
			74 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * Copyright 2019-2021 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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| 
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| #include <openssl/configuration.h>
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| #include <openssl/thread.h>
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| #include <internal/thread.h>
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| 
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| uint32_t OSSL_get_thread_support_flags(void)
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| {
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|     int support = 0;
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| 
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| #if !defined(OPENSSL_NO_THREAD_POOL)
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|     support |= OSSL_THREAD_SUPPORT_FLAG_THREAD_POOL;
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| #endif
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| #if !defined(OPENSSL_NO_DEFAULT_THREAD_POOL)
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|     support |= OSSL_THREAD_SUPPORT_FLAG_DEFAULT_SPAWN;
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| #endif
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| 
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|     return support;
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| }
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| 
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| #if defined(OPENSSL_NO_THREAD_POOL) || defined(OPENSSL_NO_DEFAULT_THREAD_POOL)
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| 
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| int OSSL_set_max_threads(OSSL_LIB_CTX *ctx, uint64_t max_threads)
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| {
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|     return 0;
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| }
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| 
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| uint64_t OSSL_get_max_threads(OSSL_LIB_CTX *ctx)
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| {
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|     return 0;
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| }
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| 
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| #else
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| 
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| uint64_t OSSL_get_max_threads(OSSL_LIB_CTX *ctx)
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| {
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|     uint64_t ret = 0;
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|     OSSL_LIB_CTX_THREADS *tdata = OSSL_LIB_CTX_GET_THREADS(ctx);
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| 
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|     if (tdata == NULL)
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|         goto fail;
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| 
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|     ossl_crypto_mutex_lock(tdata->lock);
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|     ret = tdata->max_threads;
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|     ossl_crypto_mutex_unlock(tdata->lock);
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| 
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| fail:
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|     return ret;
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| }
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| 
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| int OSSL_set_max_threads(OSSL_LIB_CTX *ctx, uint64_t max_threads)
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| {
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|     OSSL_LIB_CTX_THREADS *tdata;
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| 
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|     tdata = OSSL_LIB_CTX_GET_THREADS(ctx);
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|     if (tdata == NULL)
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|         return 0;
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| 
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|     ossl_crypto_mutex_lock(tdata->lock);
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|     tdata->max_threads = max_threads;
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|     ossl_crypto_mutex_unlock(tdata->lock);
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| 
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|     return 1;
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| }
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| 
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| #endif
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