diff options
Diffstat (limited to 'compat')
| -rw-r--r-- | compat/mingw.h | 3 | ||||
| -rw-r--r-- | compat/win32/flush.c | 28 |
2 files changed, 31 insertions, 0 deletions
diff --git a/compat/mingw.h b/compat/mingw.h index c9a52ad64a..6074a3d3ce 100644 --- a/compat/mingw.h +++ b/compat/mingw.h @@ -329,6 +329,9 @@ int mingw_getpagesize(void); #define getpagesize mingw_getpagesize #endif +int win32_fsync_no_flush(int fd); +#define fsync_no_flush win32_fsync_no_flush + struct rlimit { unsigned int rlim_cur; }; diff --git a/compat/win32/flush.c b/compat/win32/flush.c new file mode 100644 index 0000000000..291f90ea94 --- /dev/null +++ b/compat/win32/flush.c @@ -0,0 +1,28 @@ +#include "git-compat-util.h" +#include <winternl.h> +#include "lazyload.h" + +int win32_fsync_no_flush(int fd) +{ + IO_STATUS_BLOCK io_status; + +#define FLUSH_FLAGS_FILE_DATA_ONLY 1 + + DECLARE_PROC_ADDR(ntdll.dll, NTSTATUS, NTAPI, NtFlushBuffersFileEx, + HANDLE FileHandle, ULONG Flags, PVOID Parameters, ULONG ParameterSize, + PIO_STATUS_BLOCK IoStatusBlock); + + if (!INIT_PROC_ADDR(NtFlushBuffersFileEx)) { + errno = ENOSYS; + return -1; + } + + memset(&io_status, 0, sizeof(io_status)); + if (NtFlushBuffersFileEx((HANDLE)_get_osfhandle(fd), FLUSH_FLAGS_FILE_DATA_ONLY, + NULL, 0, &io_status)) { + errno = EINVAL; + return -1; + } + + return 0; +} |