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Disable GC inside coroutines on mac OS

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This commit is contained in:
Yorick van Pelt 2023-02-03 17:50:01 +01:00
parent 0fd8f542a8
commit eaeb994d8b
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4 changed files with 74 additions and 5 deletions
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20
src/libexpr/eval.cc
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@ -326,6 +326,20 @@ static Symbol getName(const AttrName & name, EvalState & state, Env & env)
}
class BoehmDisableGC : public DisableGC {
public:
BoehmDisableGC() {
#if HAVE_BOEHMGC
GC_disable();
#endif
};
virtual ~BoehmDisableGC() override {
#if HAVE_BOEHMGC
GC_enable();
#endif
};
};
static bool gcInitialised = false;
void initGC()
@ -349,6 +363,12 @@ void initGC()
StackAllocator::defaultAllocator = &boehmGCStackAllocator;
/* Used to disable GC when entering coroutines on macOS */
DisableGC::create = []() {
return std::dynamic_pointer_cast<DisableGC>(std::make_shared<BoehmDisableGC>());
};
/* Set the initial heap size to something fairly big (25% of
physical RAM, up to a maximum of 384 MiB) so that in most cases
we don't need to garbage collect at all. (Collection has a