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Initial commit of separate memory region layer and improved large OS pages support, see 'memory.c'

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This commit is contained in:
daan 2019-07-02 07:23:24 -07:00
parent d6901558cd
commit 06bcea1761
18 changed files with 693 additions and 297 deletions
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30
include/mimalloc-atomic.h
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@ -39,6 +39,15 @@ static inline bool mi_atomic_compare_exchange(volatile uintptr_t* p, uintptr_t e
// Atomically exchange a value.
static inline uintptr_t mi_atomic_exchange(volatile uintptr_t* p, uintptr_t exchange);
// Atomically read a value
static inline uintptr_t mi_atomic_read(volatile uintptr_t* p);
// Atomically read a pointer
static inline void* mi_atomic_read_ptr(volatile void** p);
// Atomically write a value
static inline void mi_atomic_write(volatile uintptr_t* p, uintptr_t x);
static inline void mi_atomic_yield(void);
// Atomically compare and exchange a pointer; returns `true` if successful.
@ -85,6 +94,15 @@ static inline bool mi_atomic_compare_exchange(volatile uintptr_t* p, uintptr_t e
static inline uintptr_t mi_atomic_exchange(volatile uintptr_t* p, uintptr_t exchange) {
return (uintptr_t)RC64(_InterlockedExchange)((volatile intptr_t*)p, (intptr_t)exchange);
}
static inline uintptr_t mi_atomic_read(volatile uintptr_t* p) {
return *p;
}
static inline void* mi_atomic_read_ptr(volatile void** p) {
return (void*)(*p);
}
static inline void mi_atomic_write(volatile uintptr_t* p, uintptr_t x) {
*p = x;
}
static inline void mi_atomic_yield(void) {
YieldProcessor();
}
@ -147,6 +165,18 @@ static inline uintptr_t mi_atomic_exchange(volatile uintptr_t* p, uintptr_t exch
MI_USING_STD
return atomic_exchange_explicit((volatile atomic_uintptr_t*)p, exchange, memory_order_relaxed);
}
static inline uintptr_t mi_atomic_read(volatile uintptr_t* p) {
MI_USING_STD
return atomic_load_explicit((volatile atomic_uintptr_t*)p, memory_order_relaxed);
}
static inline void* mi_atomic_read_ptr(volatile void** p) {
MI_USING_STD
return atomic_load_explicit((volatile _Atomic(void*)*)p, memory_order_relaxed);
}
static inline void mi_atomic_write(volatile uintptr_t* p, uintptr_t x) {
MI_USING_STD
return atomic_store_explicit((volatile atomic_uintptr_t*)p, x, memory_order_relaxed);
}
#if defined(__cplusplus)
#include <thread>