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Raise stack size to 8MB for pthreads

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It seems there is no other way to specify stack size on std::thread than linker
flags and the effective flags are named differently in many toolchains. On
toolchains where pthread is always available, this patch changes the stack
size change in our C++ code via pthread to ensure a minimum stack size of 8MB,
instead of relying on linker defaults which may be platform-specific.

Also raises default stack size on OSX to current Linux default (8MB) just to
be safe.

Closes https://github.com/official-stockfish/Stockfish/pull/2303

No functional change
This commit is contained in:
noobpwnftw 2019-09-15 00:18:10 +08:00 • committed by Stéphane Nicolet
parent 7b06475294
commit a858defd33
1 changed files with 5 additions and 2 deletions
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7
src/thread_win32_osx.h
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@ -73,11 +73,14 @@ typedef std::condition_variable ConditionVariable;
/// adjust it to TH_STACK_SIZE. The implementation calls pthread_create() with
/// proper stack size parameter.
#if defined(__APPLE__)
/// On toolchains where pthread is always available, ensure minimum stack size
/// instead of relying on linker defaults which may be platform-specific.
#if defined(__APPLE__) || defined(__MINGW32__) || defined(__MINGW64__)
#include <pthread.h>
static const size_t TH_STACK_SIZE = 2 * 1024 * 1024;
static const size_t TH_STACK_SIZE = 8 * 1024 * 1024;
template <class T, class P = std::pair<T*, void(T::*)()>>
void* start_routine(void* ptr)