reactos/lib/crt/io/locking.c

   1 #include "precomp.h"
   2 #include <io.h>
   3 #include <internal/file.h>
   4
   5
   6 /*
   7  * @implemented
   8  */
   9 int _locking(int _fd, int mode, long nbytes)
  10 {
  11         long offset = _lseek(_fd, 0L, 1);
  12         if (offset == -1L)
  13                 return -1;
  14         if (!LockFile((HANDLE)_get_osfhandle(_fd),offset,0,nbytes,0)) {
  15                 _dosmaperr(GetLastError());
  16         return -1;
  17     }
  18
  19         return 0;
  20 }