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.

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

RxuMthacos - arccosine

RxuMthatan2 - arctangent (x/y)

RxuMthasin - arcsine

RxuMthatan - arctangent

RxuMthceil - ceiling (largest integer greater or equal)

RxuMthcos - cosine

RxuMthcosh - hyperbolic cosine

RxuMtherf - error function

RxuMtherfc - 1.0 - error function

RxuMthexp - e^x

RxuMthfabs - absolute value

RxuMthfloor - floor (largest integer lesser or equal)

RxuMthfmod - floating point remainder

RxuMthfrexp - mantissa and exponent

RxuMthgamma - gamma function

RxuMthhypot - hypotenuse of right triangle

RxuMthldexp - x*(2^y)

RxuMthlog - natural logarithm

RxuMthlog10 - base 10 logarithm

RxuMthmodf - fractional and integral parts

RxuMthpow - x^y

RxuMthsin - sine

RxuMthsinh - hyperbolic sine

RxuMthsqrt - square root

RxuMthtan - tangent

RxuMthtanh - hyperbolic tangent

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

• rxu1a.zip
• rxu1b.zip