RXU

RXU is a rich set of Rexx functions for OS/2 API. Includes RxMalloc, math functions, library and pipe handling.

This library replaced the old YDBAUTIL.

License: Freeware

Files

• RXU.DLL

Functions

Function Package utility functions

RxuInit - Register all RXU Rexx functions

RxuTerm - De-Register all RXU Rexx functions

RxuQuery - Query function package version and available external function entry point names

Math Library Functions

RxuMthceil

RxuMthcosh

RxuMthexp

 RxuMthfloor
 RxuMthfmod
 RxuMthfrexp
 RxuMthldexp
 RxuMthlog
 RxuMthlog10
 RxuMthmodf
 RxuMthpow
 RxuMthsinh
 RxuMthtanh
 RxuMthasin
 RxuMthacos
 RxuMthatan2
 RxuMthatan
 RxuMthsin
 RxuMthcos
 RxuMthtan
 RxuMthsqrt
 RxuMthfabs
 RxuMtherf
 RxuMtherfc
 RxuMthgamma
 RxuMthhypot

UPM/Net Related

 RxUpm                 - Rexx interface to UPM
 RxNet                 - Rexx interface to certain NET calls
                         (also some UPM-related calls)

System Info Related

RxSetExtLibPath - Set extended LIBPATH for current process (allows you to dynamically alter LIBPATH per process)

RxQueryExtLibPath - Query extended LIBPATH for current process

RxTmrQueryFreq - Query frequency of IRQ0 high-resolution timer

RxTmrQueryTime - Query snapshot of IRQ0 high-resolution timer value

RxProcId - Get process' own PID and TID information

RxGetInfoBlocks - Get information about current process/thread

RxQueryAppType - Get information about an executable file

RxQuerySysInfo - Invoke DosQuerySysInfo

RxQProcStatus - Obtain Process Status Information (like PSTAT)

RxSetError - Set DosError settings (enable/disable HardError and Exception popups)

RxReplaceModule - Replace an active .DLL or .EXE file

RxExitList - Use DosExitList

RxDevConfig - Obtain device configuration information

RxPhysicalDisk - Query information about partitionable disks

RxDevIOCtl - Do DosDevIOCtl calls (to talk to character devices directly)

REXX Programming/Debuging

RxF2C - Convert rexx number to floating point

RxC2F - Convert floating point number to rexx number

RxVlist - List, manipulate Rexx variable pool

RxGlobalVar - Put,Get,Delete system-wide global variables

RxScount - Count strings (needle) in another string (haystack)

RxPmPrintf - Write lines to a PMPrintf Monitor

RxCallInStore - Execute a string as a program

RxPassByName - Allows rexx program to call another rexx program (external .CMD file), passing rexx variables (including stems) by name (reference or value).

RxReturnByName - Allows a called rexx program to return rexx variables (including stems) by name (reference or value) back to a calling rexx program.

RxPBNBufSize - Set/Query fetch buffer size (used by RxPassByName)

RxTokenize - Tokenize ("Compile") a program string

RxPullQueue - Pull items from any Rexx data queue

RxAddQueue - Add items to any Rexx data queue

RxQueued - Query number of items on any Rexx data queue

RxQExists - Query existence of a Rexx Queue

RxSearchPath - Find a file in a path

RxRegisterFunctionExe - Use "RexxRegisterFunctionExe()"

RxRegisterExitDll - Use "RexxRegisterExitDll()"

RxRegisterExitExe - Use "RexxRegisterExitExe()"

RxQueryExit - Use "RexxQueryExit()"

RxDeregisterExit - Use "RexxDeregisterExit()"

I/O Related

RxRsoe2f - Redirect StdOut/StdErr to a file (by file name)

 RxRsoe2q              - Redirect StdOut/StdErr to a rexx queue (by queue name)
 RxSoSe2H              - Redirect StdOut/StdErr to a file (by file handle)
 RxSi2H                - Redirect StdIn from a file (by file handle)
 RxRSi2F               - Redirect StdIn from a file (by file name)
 RxOpen                - Open a file (with full DosOpen capabilities)
 RxRead                - Read data from a file handle
 RxDosRead             - Alias for "RxRead()"
 RxWrite               - Write data to a file handle
 RxDosWrite            - Alias for "RxWrite()"
 RxCloseH              - Close a file handle
 RxExecI               - Read data into a Rexx queue or stem from a file
 RxExecO               - Write data from a Rexx queue or stem to a file
 RxVioPopUp            - Start a VioPopUp display screen
 RxVioEndPopUp         - Close a VioPopUp display screen
 RxVioWrtCharStrAtt    - Write characters to a VioPopUp display screen
 RxKbCharIn            - Get a character from a VioPopUp display screen
 RxDupHandle           - Do a "DosDupHandle()"
 RxSetFHState          - Set file handle state
 RxQueryFHState        - Query file handle state
 RxSetMaxFH            - Set maximum file handles for process
 RxSetRelMaxFH         - Set max file handles for process (relative to current value)

OS/2 Pipes

 RxCreateNPipe         - Create a named pipe
 RxSetNPHState         - Set state of a named pipe
 RxConnectNPipe        - Connect to a named pipe
 RxDisConnectNPipe     - Disconnect from a named pipe
 RxCreatePipe          - Create an un-named pipe
 RxDestroyPipe         - Destroy a pipe

OS/2 Queues

 RxCreateQueue         - DosCreateQueue
 RxOpenQueue           - DosOpenQueue
 RxPeekQueue           - DosPeekQueue
 RxReadQueue           - DosReadQueue
 RxWriteQueue          - DosWriteQueue
 RxPurgeQueue          - DosPurgeQueue
 RxQueryQueue          - DosQueryQueue
 RxCloseQueue          - DosCloseQueue
 RxReadQueueStr        - Returns data from de-referenced queue pointer

NetBios information

 -------------------
 RxNbSessionStatus     - Obtain NETBIOS session status information

Tasking, threads, etc.

 ----------------------
 RxSetPriority         - Set the priority of processes or threads
           Process - Related
 RxKillProcess         - Kill an OS/2 process by process-id
 RxExecPgm             - Execute a program using DosExecPgm
 RxWaitChild           - Wait for a child process to end
 RxStartSession        - Start a program in another session (DosStartSession)
 RxStartRexxSession    - Start a Rexx program in another session
 RxDetachRexxPgm       - Detach a Rexx program
           Thread - Related
 RxCreateRexxThread    - Execute a Rexx program on another thread
 RxSetExceptionExit    - Specify the address of a "_System" linkage function
                         which is called when an OS/2 exception occurs on a
                         thread started with "RxCreateRexxThread".
 RxCreateThread        - Call a procedure address on another thread
 RxKillThread          - Kill a thread by thread-id
 RxResumeThread        - Resume thread execution by thread-id
 RxSuspendThread       - Suspend thread execution by thread-id
 RxCallEntryPoint      - Call a (non-Rexx) routine by entry point address

OS/2 Memory managment

 ---------------------
 RxMalloc              - Allocate memory using "malloc()"
 RxFree                - Free memory allocated by "rxmalloc()" using "free()"
 RxStructMap           - Generate a structure map for RxStruct2Stem()
 RxStruct2Stem         - Map structure elements into a stem
 RxStem2Struct         - Map a stem into structure elements
 RxStorage             - Query/Alter storage by address
 RxAdd2Ptr             - Pointer Arithmetic (Add/Subtract)
 RxThunkAddr           - Thunk an address Flat->Segmented, Segmented->Flat
 RxAllocMem            - Allocate Memory
 RxFreeMem             - Free Memory
 RxAllocSharedMem      - Allocated Shared memory (named or un-named)
 RxGetSharedMem        - Get (gettable) shared memory
 RxGiveSharedMem       - Give (giveable) shared memory
 RxGetNamedSharedMem   - Get named shared memory
 RxSetMem              - Set memory attributes
 RxQueryMem            - Query memory attributes
 RxSubAllocMem         - Suballocate memory
 RxSubFreeMem          - Free suballocated memory
 RxSubSetMem           - Set memory for suballocation
 RxSubUnsetMem         - Unset previously "SubSet" memory

OS/2 Semaphores

 ---------------
            Event Semaphore
 RxCreateEventSem      - Create an event semaphore
 RxCloseEventSem       - Close an event semaphore
 RxOpenEventSem        - Open an event semaphore
 RxPostEventSem        - Post an event semaphore
 RxQueryEventSem       - Query an event semaphore
 RxResetEventSem       - Reset an event semaphore
 RxWaitEventSem        - Wait on an event semaphore
            Mutex Semaphore
 RxCreateMutexSem      - Create a Mutex semaphore
 RxOpenMutexSem        - Invoke DosOpenMutexSem
 RxCloseMutexSem       - Invoke DosCloseMutexSem    
 RxQueryMutexSem       - Invoke DosQueryMutexSem    
 RxReleaseMutexSem     - Invoke DosReleaseMutexSem  
 RxRequestMutexSem     - Invoke DosRequestMutexSem  
            MuxWait Semaphore
 RxCreateMuxWaitSem    - Invoke DosCreateMuxWaitSem 
 RxCloseMuxWaitSem     - Invoke DosCloseMuxWaitSem  
 RxOpenMuxWaitSem      - Invoke DosOpenMuxWaitSem   
 RxWaitMuxWaitSem      - Invoke DosWaitMuxWaitSem   
 RxAddMuxWaitSem       - Invoke DosAddMuxWaitSem    
 RxDeleteMuxWaitSem    - Invoke DosDeleteMuxWaitSem 
 RxQueryMuxWaitSem     - Invoke DosQueryMuxWaitSem  

DLL Handling

 ------------
 RxLoadModule          - Load a DLL
 RxFreeModule          - Free a DLL
 RxQueryModuleName     - Query the fully qualified name of a DLL (by handle)
 RxQueryModuleHandle   - Query the module handle of a DLL (by name)
 RxQueryProcType       - Query the addressing mode of an entry point in a DLL
 RxQueryProcAddr       - Query the procedure address of an entry point in a DLL

Rexx Macro Space Handling

 -------------------------
 RxAddMacro            - Add a particular Macro Space function
 RxDropMacro           - Drop a particular Macro Space function
 RxClearMacroSpace     - Clear the Rexx Macro Space
 RxSaveMacroSpace      - Save a particular Macro Space function to a file
 RxLoadMacroSpace      - Load a particular Macro Space function from a file
 RxQueryMacro          - Query the position of a particular Macro Space function
 RxReorderMacro        - Reorder a function's position in a Macro Space

PM / Wp related functions

 -------------------------
 RxWinQueryObject      - Query object handle of a WP object
 RxWinDestroyObject    - Destroy a WP object

Author

• Dave Boll

Links

• Download: v1.a