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Added check for cache-alignment to MPSC queue.

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This commit is contained in:
Michael Mueller
2023-03-27 16:35:05 +02:00
parent d32c7af315
commit fcf0a2810b
1 changed files with 4 additions and 0 deletions
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4
src/mx/util/mpsc_queue.h
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@@ -5,6 +5,8 @@
#include <cstddef>
#include <cstdint>
#include <mx/system/cache.h>
#include <base/log.h>
#include <cassert>
namespace mx::util {
/**
@@ -20,6 +22,8 @@ public:
: _head(reinterpret_cast<T *>(&_stub)), _tail(reinterpret_cast<T *>(&_stub)),
_end(reinterpret_cast<T *>(&_stub))
{
assert((reinterpret_cast<uint64_t>(&_head) % 64 == 0) && (reinterpret_cast<uint64_t>(&_tail) % 64 == 0) &&
"head or tail not cacheline-aligned");
reinterpret_cast<T &>(_stub).next(nullptr);
}
~MPSCQueue() noexcept = default;