win32fdatasync.c File Reference

#include "postgres.h"
#include "port/win32ntdll.h"

Include dependency graph for win32fdatasync.c:

Go to the source code of this file.

Functions
int	fdatasync (int fd)

Function Documentation

fdatasync()

int fdatasync

(

int

fd

)

Definition at line 23 of file win32fdatasync.c.

{
    IO_STATUS_BLOCK iosb;
    NTSTATUS    status;
    HANDLE      handle;
 
    handle = (HANDLE) _get_osfhandle(fd);
    if (handle == INVALID_HANDLE_VALUE)
    {
        errno = EBADF;
        return -1;
    }
 
    if (initialize_ntdll() < 0)
        return -1;
 
    memset(&iosb, 0, sizeof(iosb));
    status = pg_NtFlushBuffersFileEx(handle,
                                     FLUSH_FLAGS_FILE_DATA_SYNC_ONLY,
                                     NULL,
                                     0,
                                     &iosb);
 
    if (NT_SUCCESS(status))
        return 0;
 
    _dosmaperr(pg_RtlNtStatusToDosError(status));
    return -1;
}

References _dosmaperr(), fd(), FLUSH_FLAGS_FILE_DATA_SYNC_ONLY, initialize_ntdll(), pg_NtFlushBuffersFileEx, and pg_RtlNtStatusToDosError.

Referenced by pg_fdatasync(), and test_sync().