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完善WIN平台文件映射

This commit is contained in:
gb 2022-06-01 11:39:49 +08:00
parent b83a31c5e4
commit b6c57f0e8c
1 changed files with 3 additions and 3 deletions
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6
hgdriver/hgdev/hg_ipc.cpp
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@ -347,7 +347,7 @@ int shared_memory::write(const char* data, size_t len)
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// tiny_file_map ...
#ifdef WIN32
#define IS_VALID_MAP(map) !map
#define IS_VALID_MAP(map) map
#else
#define IS_VALID_MAP(map) map != -1
#endif
@ -406,10 +406,10 @@ int tiny_file_map::open(const char* file, unsigned int size, bool readonly)
DWORD wrote = SetFilePointer(f, size - 1, NULL, FILE_BEGIN);
if (wrote == size - 1)
WriteFile(f, "\0", 1, &wrote, NULL);
map_ = CreateFileMappingA(f, NULL, PAGE_READONLY, 0, size, NULL);
map_ = CreateFileMappingA(f, NULL, PAGE_READWRITE, 0, size, NULL);
if (map_)
{
buf_ = (unsigned char*)MapViewOfFile(map_, FILE_MAP_READ, 0, 0, size);
buf_ = (unsigned char*)MapViewOfFile(map_, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, size);
if (!buf_)
ret = GetLastError();
}