reactos/sdk/include/ddk/msports.h

62 lines
1.2 KiB
C

#ifndef _MSPORTS_
#define _MSPORTS_
#ifdef __cplusplus
extern "C" {
#endif
DECLARE_HANDLE(HCOMDB);
typedef HCOMDB *PHCOMDB;
#define HCOMDB_INVALID_HANDLE_VALUE ((HCOMDB)INVALID_HANDLE_VALUE)
/* Limits for ComDBResizeDatabase NewSize */
#define COMDB_MIN_PORTS_ARBITRATED 256
#define COMDB_MAX_PORTS_ARBITRATED 4096
/* ReportType flags for ComDBGetCurrentPortUsage */
#define CDB_REPORT_BITS 0x0
#define CDB_REPORT_BYTES 0x1
LONG
WINAPI
ComDBClaimNextFreePort(IN HCOMDB hComDB,
OUT LPDWORD ComNumber);
LONG
WINAPI
ComDBClaimPort(IN HCOMDB hComDB,
IN DWORD ComNumber,
IN BOOL ForceClaim,
OUT PBOOL Forced);
LONG
WINAPI
ComDBClose(IN HCOMDB hComDB);
LONG
WINAPI
ComDBGetCurrentPortUsage(IN HCOMDB hComDB,
OUT PBYTE Buffer,
IN DWORD BufferSize,
IN DWORD ReportType,
OUT LPDWORD MaxPortsReported);
LONG
WINAPI
ComDBOpen(OUT HCOMDB *phComDB);
LONG
WINAPI
ComDBReleasePort(IN HCOMDB hComDB,
IN DWORD ComNumber);
LONG
WINAPI
ComDBResizeDatabase(IN HCOMDB hComDB,
IN DWORD NewSize);
#ifdef __cplusplus
}
#endif
#endif /* _MSPORTS_ */