OS-9 Device Descriptor and Configuration Module Reference

4SBFTMDevice Descriptors MICROWAREAvailable ValuesThe file access modes are defined in the header file, modes.h, andlocated in Table 4-8. The file access permission values are defined inthe header file modes.h and in Table 4-9.Table 4-8 dd_mode Available Values for File Access ModesDescription Macro EditModTruncate on open S_ITRUNC 0x0100Ensure contiguous file S_ICONTIG 0x0400Error if file exists on create S_IEXCL 0x0400Create file S_ICREAT 0x0800Append to file S_IAPPEND 0x1000Non-sharable S_ISHARE 0x4000Table 4-9 dd_mode Available Values for File Access PermissionsDescription Macro EditModMask for permission bits S_IPRM 0xffffOwner read S_IREAD 0x0001Owner write S_IWRITE 0x0002Owner execute S_IEXEC 0x0004Search permission S_ISEARCH 0x0004426 OS-9 Device Descriptor and Configuration Module Reference