denshooter/mxtasking
1
0
Fork 0
mirror of https://github.com/mmueller41/mxtasking.git synced 2026-01-21 12:42:57 +01:00
Code Issues Packages Projects Releases Wiki Activity

Added check for cache-alignment to MPSC queue.

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

4
src/mx/util/mpsc_queue.h
View File

@@ -5,6 +5,8 @@
#include <cstddef> #include <cstddef>
#include <cstdint> #include <cstdint>
#include <mx/system/cache.h> #include <mx/system/cache.h>
#include <base/log.h>
#include <cassert>
namespace mx::util { namespace mx::util {
/** /**
@@ -20,6 +22,8 @@ public:
: _head(reinterpret_cast<T *>(&_stub)), _tail(reinterpret_cast<T *>(&_stub)), : _head(reinterpret_cast<T *>(&_stub)), _tail(reinterpret_cast<T *>(&_stub)),
_end(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); reinterpret_cast<T &>(_stub).next(nullptr);
} }
~MPSCQueue() noexcept = default; ~MPSCQueue() noexcept = default;