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Merge pull request #502 from Borchev/ROMappedFileWorkaround

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Workaround for readonly memory mapping of files issue
This commit is contained in:
georgemoralis
2024-08-22 13:49:19 +03:00
committed by GitHub
parent 746559658c fc300b5265
commit 83bcced16c
4 changed files with 26 additions and 12 deletions
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5
src/common/io_file.cpp
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@@ -217,7 +217,7 @@ void IOFile::Close() {
file = nullptr;
#ifdef _WIN64
if (file_mapping) {
if (file_mapping && file_access_mode == FileAccessMode::ReadWrite) {
CloseHandle(std::bit_cast<HANDLE>(file_mapping));
}
#endif
@@ -259,8 +259,7 @@ uintptr_t IOFile::GetFileMapping() {
mapping = CreateFileMapping2(hfile, NULL, FILE_MAP_WRITE, PAGE_READWRITE, SEC_COMMIT, 0,
NULL, NULL, 0);
} else {
mapping = CreateFileMapping2(hfile, NULL, FILE_MAP_READ, PAGE_READONLY, SEC_COMMIT, 0, NULL,
NULL, 0);
mapping = hfile;
}
file_mapping = std::bit_cast<uintptr_t>(mapping);