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Partial commit: Utilities

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This commit is contained in:
Nekotekina 2016-02-02 00:55:43 +03:00
parent 5fc6f59821
commit 250ce63527
37 changed files with 4783 additions and 4007 deletions
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12
Utilities/VirtualMemory.cpp
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@ -17,10 +17,10 @@ namespace memory_helper
{
#ifdef _WIN32
void* ret = VirtualAlloc(NULL, size, MEM_RESERVE, PAGE_NOACCESS);
CHECK_ASSERTION(ret != NULL);
Ensures(ret != NULL);
#else
void* ret = mmap(nullptr, size, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
CHECK_ASSERTION(ret != 0);
Ensures(ret != 0);
#endif
return ret;
}
@ -28,18 +28,18 @@ namespace memory_helper
void commit_page_memory(void* pointer, size_t page_size)
{
#ifdef _WIN32
CHECK_ASSERTION(VirtualAlloc((u8*)pointer, page_size, MEM_COMMIT, PAGE_READWRITE) != NULL);
ASSERT(VirtualAlloc((u8*)pointer, page_size, MEM_COMMIT, PAGE_READWRITE) != NULL);
#else
CHECK_ASSERTION(mprotect((u8*)pointer, page_size, PROT_READ | PROT_WRITE) != -1);
ASSERT(mprotect((u8*)pointer, page_size, PROT_READ | PROT_WRITE) != -1);
#endif
}
void free_reserved_memory(void* pointer, size_t size)
{
#ifdef _WIN32
CHECK_ASSERTION(VirtualFree(pointer, 0, MEM_RELEASE) != 0);
ASSERT(VirtualFree(pointer, 0, MEM_RELEASE) != 0);
#else
CHECK_ASSERTION(munmap(pointer, size) == 0);
ASSERT(munmap(pointer, size) == 0);
#endif
}
}