libmicrohttpd2

HTTP server C library (MHD 2.x, alpha)
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mhdtl_get_cpu_count.h (2860B)

      1 /* SPDX-License-Identifier: LGPL-2.1-or-later OR (GPL-2.0-or-later WITH eCos-exception-2.0) */
      2 /*
      3   This file is part of GNU libmicrohttpd.
      4   Copyright (C) 2023-2025 Evgeny Grin (Karlson2k)
      5 
      6   GNU libmicrohttpd is free software; you can redistribute it and/or
      7   modify it under the terms of the GNU Lesser General Public
      8   License as published by the Free Software Foundation; either
      9   version 2.1 of the License, or (at your option) any later version.
     10 
     11   GNU libmicrohttpd is distributed in the hope that it will be useful,
     12   but WITHOUT ANY WARRANTY; without even the implied warranty of
     13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14   Lesser General Public License for more details.
     15 
     16   Alternatively, you can redistribute GNU libmicrohttpd and/or
     17   modify it under the terms of the GNU General Public License as
     18   published by the Free Software Foundation; either version 2 of
     19   the License, or (at your option) any later version, together
     20   with the eCos exception, as follows:
     21 
     22     As a special exception, if other files instantiate templates or
     23     use macros or inline functions from this file, or you compile this
     24     file and link it with other works to produce a work based on this
     25     file, this file does not by itself cause the resulting work to be
     26     covered by the GNU General Public License. However the source code
     27     for this file must still be made available in accordance with
     28     section (3) of the GNU General Public License v2.
     29 
     30     This exception does not invalidate any other reasons why a work
     31     based on this file might be covered by the GNU General Public
     32     License.
     33 
     34   You should have received copies of the GNU Lesser General Public
     35   License and the GNU General Public License along with this library;
     36   if not, see <https://www.gnu.org/licenses/>.
     37 */
     38 
     39 /**
     40  * @file src/tools/mhdtl_get_cpu_count.h
     41  * @brief  Declaration of functions to detect the number of available
     42  *         CPU cores.
     43  * @author Karlson2k (Evgeny Grin)
     44  */
     45 
     46 
     47 #ifndef MHDTL_GET_CPU_COUNT_H_
     48 #define MHDTL_GET_CPU_COUNT_H_ 1
     49 
     50 
     51 /**
     52  * Detect the number of logical CPU cores available for the process.
     53  * The number of cores available for this process could be different from
     54  * value of cores available on the system. The OS may have limit on number
     55  * assigned/allowed cores for single process and process may have limited
     56  * CPU affinity.
     57  * @return the number of logical CPU cores available for the process or
     58  *         -1 if failed to detect
     59  */
     60 int
     61 mhdtl_get_proc_cpu_count (void);
     62 
     63 
     64 /**
     65  * Try to detect the number of logical CPU cores available for the system.
     66  * The number of available logical CPU cores could be changed any time due to
     67  * CPU hotplug.
     68  * @return the number of logical CPU cores available,
     69  *         -1 if failed to detect.
     70  */
     71 int
     72 mhdtl_get_system_cpu_count (void);
     73 
     74 #endif /* MHDTL_GET_CPU_COUNT_H_ */