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memory fix

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This commit is contained in:
Nekotekina 2017-02-10 22:56:16 +03:00
parent 73906f9f29
commit bb111d325f
5 changed files with 15 additions and 8 deletions
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10
Utilities/VirtualMemory.cpp
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@ -13,7 +13,7 @@
namespace memory_helper
{
void* reserve_memory(size_t size)
void* reserve_memory(std::size_t size)
{
#ifdef _WIN32
return verify("reserve_memory" HERE, VirtualAlloc(NULL, size, MEM_RESERVE, PAGE_NOACCESS));
@ -22,21 +22,21 @@ namespace memory_helper
#endif
}
void commit_page_memory(void* pointer, size_t size)
void commit_page_memory(void* pointer, std::size_t size)
{
#ifdef _WIN32
verify(HERE), VirtualAlloc(pointer, size, MEM_COMMIT, PAGE_READWRITE);
#else
verify(HERE), ::mprotect((void*)((u64)pointer & -4096), size, PROT_READ | PROT_WRITE) != -1;
verify(HERE), ::mprotect((void*)((u64)pointer & -4096), ::align(size, 4096), PROT_READ | PROT_WRITE) != -1;
#endif
}
void free_reserved_memory(void* pointer, size_t size)
void free_reserved_memory(void* pointer, std::size_t size)
{
#ifdef _WIN32
verify(HERE), VirtualFree(pointer, 0, MEM_DECOMMIT);
#else
verify(HERE), ::mprotect(pointer, size, PROT_NONE) != -1;
verify(HERE), ::mmap(pointer, size, PROT_NONE, MAP_FIXED | MAP_ANON | MAP_PRIVATE, -1, 0);
#endif
}
}