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util::memory_reserve fixed

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This commit is contained in:
Nekotekina 2017-03-25 18:56:09 +03:00
parent 37a97a71e3
commit 98d96fd649
1 changed files with 10 additions and 2 deletions
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12
Utilities/VirtualMemory.cpp
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@ -44,9 +44,17 @@ namespace utils
void* memory_reserve(std::size_t size, void* use_addr)
{
#ifdef _WIN32
return verify("reserve_memory" HERE, ::VirtualAlloc(use_addr, size, MEM_RESERVE, PAGE_NOACCESS));
return ::VirtualAlloc(use_addr, size, MEM_RESERVE, PAGE_NOACCESS);
#else
return verify("reserve_memory" HERE, ::mmap(use_addr, size, PROT_NONE, MAP_ANON | MAP_PRIVATE | (use_addr ? MAP_FIXED : 0), -1, 0));
auto ptr = ::mmap(use_addr, size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
if (use_addr && ptr != use_addr)
{
::munmap(ptr, size);
return nullptr;
}
return ptr;
#endif
}