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Workaround for readonly memory mapping of files issue

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This commit is contained in:
Borchev 2024-08-20 16:10:38 -07:00
parent 32cb3649d3
commit 6596fe091c
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);