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github.ong19th.Citron/src/common/virtual_buffer.cpp
Zephyron 9ae0eeeb87 Revert incorrect copyright attribution for non-contributed files
- In commit b3facaa6bb, the copyright header was
  updated to include "Citron Homebrew Project" across multiple files, regardless
  of whether any contributions were made.

- This commit removes the incorrect attribution and reverts the copyright header
  to its previous state.

- Copyright attribution should only be added when meaningful contributions have
  been made to the file.

- This commit ensures proper compliance with copyright standards and maintains
  correct attribution to the respective contributors.

- Special thanks to Tachi for pointing out the need for these corrections and
  ensuring that proper attribution practices are followed.
2025-01-14 15:33:24 +10:00

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866 B
C++

// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#ifdef _WIN32
#include <windows.h>
#else
#include <sys/mman.h>
#endif
#include "common/assert.h"
#include "common/virtual_buffer.h"
namespace Common {
void* AllocateMemoryPages(std::size_t size) noexcept {
#ifdef _WIN32
void* base{VirtualAlloc(nullptr, size, MEM_COMMIT, PAGE_READWRITE)};
#else
void* base{mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_ANON | MAP_PRIVATE, -1, 0)};
if (base == MAP_FAILED) {
base = nullptr;
}
#endif
ASSERT(base);
return base;
}
void FreeMemoryPages(void* base, [[maybe_unused]] std::size_t size) noexcept {
if (!base) {
return;
}
#ifdef _WIN32
ASSERT(VirtualFree(base, 0, MEM_RELEASE));
#else
ASSERT(munmap(base, size) == 0);
#endif
}
} // namespace Common