28 lines
688 B
C
28 lines
688 B
C
#include "git-compat-util.h"
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#include <winternl.h>
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#include "lazyload.h"
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int win32_fsync_no_flush(int fd)
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{
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IO_STATUS_BLOCK io_status;
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#define FLUSH_FLAGS_FILE_DATA_ONLY 1
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DECLARE_PROC_ADDR(ntdll.dll, NTSTATUS, NTAPI, NtFlushBuffersFileEx,
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HANDLE FileHandle, ULONG Flags, PVOID Parameters, ULONG ParameterSize,
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PIO_STATUS_BLOCK IoStatusBlock);
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if (!INIT_PROC_ADDR(NtFlushBuffersFileEx)) {
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errno = ENOSYS;
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return -1;
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}
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memset(&io_status, 0, sizeof(io_status));
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if (NtFlushBuffersFileEx((HANDLE)_get_osfhandle(fd), FLUSH_FLAGS_FILE_DATA_ONLY,
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NULL, 0, &io_status)) {
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errno = EINVAL;
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return -1;
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}
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return 0;
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}
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