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

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

License

• BSD 3-Clause

Author

• Dave Boll

Links

• Version 1.9 / Binaries and Source Code
• Source code at Github