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use atomic yield on delayed-freeing; clarify code

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daan 2020-01-23 09:57:55 -08:00
parent 3bbbe6c686
commit 66818bf632
4 changed files with 39 additions and 38 deletions
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4
test/test-stress.c
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@ -277,12 +277,12 @@ static void run_os_threads(size_t nthreads) {
#ifdef __cplusplus
#include <atomic>
static void* atomic_exchange_ptr(volatile void** p, void* newval) {
return std::atomic_exchange_explicit((volatile std::atomic<void*>*)p, newval, std::memory_order_acquire);
return std::atomic_exchange((volatile std::atomic<void*>*)p, newval);
}
#else
#include <stdatomic.h>
static void* atomic_exchange_ptr(volatile void** p, void* newval) {
return atomic_exchange_explicit((volatile _Atomic(void*)*)p, newval, memory_order_acquire);
return atomic_exchange((volatile _Atomic(void*)*)p, newval);
}
#endif