reactos/include/ddk/msports.h

   1 #ifndef _MSPORTS_
   2 #define _MSPORTS_
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 DECLARE_HANDLE(HCOMDB);
   9 typedef HCOMDB *PHCOMDB;
  10 #define HCOMDB_INVALID_HANDLE_VALUE ((HCOMDB)INVALID_HANDLE_VALUE)
  11
  12 #define COMDB_MIN_PORTS_ARBITRATED 256
  13 #define COMDB_MAX_PORTS_ARBITRATED 4096
  14
  15 LONG
  16 WINAPI
  17 ComDBClaimPort(IN HCOMDB hComDB,
  18                IN DWORD ComNumber,
  19                IN BOOL ForceClaim,
  20                OUT PBOOL Forced);
  21
  22 LONG
  23 WINAPI
  24 ComDBClose(IN HCOMDB hComDB);
  25
  26 LONG
  27 WINAPI
  28 ComDBGetCurrentPortUsage(IN HCOMDB hComDB,
  29                          OUT PBYTE Buffer,
  30                          IN DWORD BufferSize,
  31                          IN ULONG ReportType,
  32                          OUT LPDWORD MaxPortsReported);
  33
  34 LONG
  35 WINAPI
  36 ComDBOpen(OUT HCOMDB *phComDB);
  37
  38 LONG
  39 WINAPI
  40 ComDBReleasePort(IN HCOMDB hComDB,
  41                  IN DWORD ComNumber);
  42
  43 LONG
  44 WINAPI
  45 ComDBResizeDatabase(IN HCOMDB hComDB,
  46                     IN DWORD NewSize);
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52 #endif /* _MSPORTS_ */