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36 lines
892 B
C++
36 lines
892 B
C++
#pragma once
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namespace utils
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{
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// Memory protection type
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enum class protection
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{
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rw, // Read + write (default)
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ro, // Read only
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no, // No access
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wx, // Read + write + execute
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rx, // Read + execute
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};
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/**
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* Reserve `size` bytes of virtual memory and returns it.
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* The memory should be commited before usage.
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*/
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void* memory_reserve(std::size_t size, void* use_addr = nullptr);
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/**
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* Commit `size` bytes of virtual memory starting at pointer.
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* That is, bake reserved memory with physical memory.
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* pointer should belong to a range of reserved memory.
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*/
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void memory_commit(void* pointer, std::size_t size, protection prot = protection::rw);
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/**
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* Decommit all memory committed via commit_page_memory.
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*/
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void memory_decommit(void* pointer, std::size_t size);
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// Set memory protection
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void memory_protect(void* pointer, std::size_t size, protection prot);
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}
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