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sync: add SpinLock (#24788)

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kbkpbot 2025-06-26 21:34:00 +08:00 • committed by GitHub
parent 5cd799e5ac
commit 06c6554480
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9
thirdparty/stdatomic/nix/atomic_cpp.h vendored
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@ -120,6 +120,14 @@ using std::memory_order_consume;
using std::memory_order_relaxed;
using std::memory_order_release;
using std::memory_order_seq_cst;
#define memory_order_relaxed std::memory_order_relaxed
#define memory_order_consume std::memory_order_consume
#define memory_order_acquire std::memory_order_acquire
#define memory_order_release std::memory_order_release
#define memory_order_acq_rel std::memory_order_acq_rel
#define memory_order_seq_cst std::memory_order_seq_cst
#else /* <atomic> unavailable, possibly because this is C, not C++ */
#include <sys/types.h>
#include <stdbool.h>
@ -266,6 +274,7 @@ typedef enum
memory_order_acq_rel = __ATOMIC_ACQ_REL,
memory_order_seq_cst = __ATOMIC_SEQ_CST
} memory_order;
/*
* 7.17.4 Fences.
*/