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- /* OwnDevUnit.h
-
- Created 2/10/91 by Christopher A. Wichura
- */
-
- #ifndef EXEC_TYPES_H
- #include <exec/types.h>
- #endif
-
- /* macro to grab the name of the library */
- #define ODU_NAME "OwnDevUnit.library"
-
- /* strings that can be returned by LockDevUnit() and AttempDevUnit() to
- indicate an internal error. Note that these all start with a
- special character to allow clients to only have to check one byte
- to determine if an error occured. */
-
- #define ODUERR_LEADCHAR "\x07"
-
- #define ODUERR_NOMEM ODUERR_LEADCHAR "Out of memory"
- #define ODUERR_NOTIMER ODUERR_LEADCHAR "Unable to open timer.device"
- #define ODUERR_BADNAME ODUERR_LEADCHAR "Bogus device name supplied"
- #define ODUERR_BADBIT ODUERR_LEADCHAR "Bogus notify bit supplied"
- #define ODUERR_UNKNOWN ODUERR_LEADCHAR "Unknown"
- /* returned if owner's name is NULL */
-
- /* prototypes for the functions found in this library */
- UBYTE *LockDevUnit(UBYTE *Device, ULONG Unit, UBYTE *OwnerName, UBYTE NotifyBit);
- UBYTE *AttemptDevUnit(UBYTE *Device, ULONG Unit, UBYTE *OwnerName, UBYTE NotifyBit);
- void FreeDevUnit(UBYTE *Device, ULONG Unit);
- void NameDevUnit(UBYTE *Device, ULONG Unit, UBYTE *OwnerName);
- BOOL AvailDevUnit(UBYTE *Device, ULONG Unit);
- UBYTE *OwnerDevUnit(UBYTE *Device, ULONG Unit);
-
- #ifdef LATTICE
- # ifndef EXEC_LIBRARIES_H
- # include <exec/libraries.h>
- # endif
-
- extern struct Library *OwnDevUnitBase;
- #pragma libcall OwnDevUnitBase LockDevUnit 1E 190804
- #pragma libcall OwnDevUnitBase AttemptDevUnit 24 190804
- #pragma libcall OwnDevUnitBase FreeDevUnit 2A 0802
- #pragma libcall OwnDevUnitBase NameDevUnit 30 90803
- #pragma libcall OwnDevUnitBase AvailDevUnit 36 0802
- #pragma libcall OwnDevUnitBase OwnerDevUnit 42 0802
- #endif /* if LATTICE */
-