reactos/sdk/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 /* Limits for ComDBResizeDatabase NewSize */
  13 #define COMDB_MIN_PORTS_ARBITRATED 256
  14 #define COMDB_MAX_PORTS_ARBITRATED 4096
  15
  16 /* ReportType flags for ComDBGetCurrentPortUsage */
  17 #define CDB_REPORT_BITS  0x0
  18 #define CDB_REPORT_BYTES 0x1
  19
  20 LONG
  21 WINAPI
  22 ComDBClaimNextFreePort(IN HCOMDB hComDB,
  23                        OUT LPDWORD ComNumber);
  24
  25 LONG
  26 WINAPI
  27 ComDBClaimPort(IN HCOMDB hComDB,
  28                IN DWORD ComNumber,
  29                IN BOOL ForceClaim,
  30                OUT PBOOL Forced);
  31
  32 LONG
  33 WINAPI
  34 ComDBClose(IN HCOMDB hComDB);
  35
  36 LONG
  37 WINAPI
  38 ComDBGetCurrentPortUsage(IN HCOMDB hComDB,
  39                          OUT PBYTE Buffer,
  40                          IN DWORD BufferSize,
  41                          IN DWORD ReportType,
  42                          OUT LPDWORD MaxPortsReported);
  43
  44 LONG
  45 WINAPI
  46 ComDBOpen(OUT HCOMDB *phComDB);
  47
  48 LONG
  49 WINAPI
  50 ComDBReleasePort(IN HCOMDB hComDB,
  51                  IN DWORD ComNumber);
  52
  53 LONG
  54 WINAPI
  55 ComDBResizeDatabase(IN HCOMDB hComDB,
  56                     IN DWORD NewSize);
  57
  58 #ifdef __cplusplus
  59 }
  60 #endif
  61
  62 #endif /* _MSPORTS_ */