| 1 | #include "git-compat-util.h" |
| 2 | #include <winternl.h> |
| 3 | #include "lazyload.h" |
| 4 | |
| 5 | int win32_fsync_no_flush(int fd) |
| 6 | { |
| 7 | IO_STATUS_BLOCK io_status; |
| 8 | |
| 9 | #ifndef FLUSH_FLAGS_FILE_DATA_ONLY |
| 10 | #define FLUSH_FLAGS_FILE_DATA_ONLY 1 |
| 11 | #endif |
| 12 | |
| 13 | DECLARE_PROC_ADDR(ntdll.dll, NTSTATUS, NTAPI, NtFlushBuffersFileEx, |
| 14 | HANDLE FileHandle, ULONG Flags, PVOID Parameters, ULONG ParameterSize, |
| 15 | PIO_STATUS_BLOCK IoStatusBlock); |
| 16 | |
| 17 | if (!INIT_PROC_ADDR(NtFlushBuffersFileEx)) { |
| 18 | errno = ENOSYS; |
| 19 | return -1; |
| 20 | } |
| 21 | |
| 22 | memset(&io_status, 0, sizeof(io_status)); |
| 23 | if (NtFlushBuffersFileEx((HANDLE)_get_osfhandle(fd), FLUSH_FLAGS_FILE_DATA_ONLY, |
| 24 | NULL, 0, &io_status)) { |
| 25 | errno = EINVAL; |
| 26 | return -1; |
| 27 | } |
| 28 | |
| 29 | return 0; |
| 30 | } |