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source/lib/sysdep/os/linux/lcpu.cpp
/* Copyright (C) 2021 Wildfire Games. | /* Copyright (C) 2022 Wildfire Games. | ||||
* | * | ||||
* Permission is hereby granted, free of charge, to any person obtaining | * Permission is hereby granted, free of charge, to any person obtaining | ||||
* a copy of this software and associated documentation files (the | * a copy of this software and associated documentation files (the | ||||
* "Software"), to deal in the Software without restriction, including | * "Software"), to deal in the Software without restriction, including | ||||
* without limitation the rights to use, copy, modify, merge, publish, | * without limitation the rights to use, copy, modify, merge, publish, | ||||
* distribute, sublicense, and/or sell copies of the Software, and to | * distribute, sublicense, and/or sell copies of the Software, and to | ||||
* permit persons to whom the Software is furnished to do so, subject to | * permit persons to whom the Software is furnished to do so, subject to | ||||
* the following conditions: | * the following conditions: | ||||
Show All 33 Lines | #if CONFIG2_VALGRIND | ||||
// Valgrind reports the number of real CPUs, but only emulates a single CPU. | // Valgrind reports the number of real CPUs, but only emulates a single CPU. | ||||
// That causes problems when we expect all those CPUs to be distinct, so | // That causes problems when we expect all those CPUs to be distinct, so | ||||
// just pretend there's only one CPU | // just pretend there's only one CPU | ||||
if (RUNNING_ON_VALGRIND) | if (RUNNING_ON_VALGRIND) | ||||
numProcessors = 1; | numProcessors = 1; | ||||
else | else | ||||
#endif | #endif | ||||
{ | { | ||||
long res = sysconf(_SC_NPROCESSORS_CONF); | long res = sysconf(_SC_NPROCESSORS_ONLN); | ||||
ENSURE(res != -1); | ENSURE(res != -1); | ||||
numProcessors = (size_t)res; | numProcessors = (size_t)res; | ||||
} | } | ||||
} | } | ||||
return numProcessors; | return numProcessors; | ||||
} | } | ||||
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