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common: fiber: Use VirtualBuffer for stack memory.

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- This will be aligned by default, and helps memory usage.
This commit is contained in:
bunnei 2020-11-15 00:36:26 -08:00
parent c2ad1243ba
commit 24cae76d16
1 changed files with 5 additions and 2 deletions
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7
src/common/fiber.cpp
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@ -5,6 +5,7 @@
#include "common/assert.h"
#include "common/fiber.h"
#include "common/spin_lock.h"
#include "common/virtual_buffer.h"
#include <boost/context/detail/fcontext.hpp>
@ -13,8 +14,10 @@ namespace Common {
constexpr std::size_t default_stack_size = 256 * 1024;
struct Fiber::FiberImpl {
alignas(64) std::array<u8, default_stack_size> stack;
alignas(64) std::array<u8, default_stack_size> rewind_stack;
FiberImpl() : stack{default_stack_size}, rewind_stack{default_stack_size} {}
VirtualBuffer<u8> stack;
VirtualBuffer<u8> rewind_stack;
SpinLock guard{};
std::function<void(void*)> entry_point;