RXU: Difference between revisions

Latest revision as of 00:23, 27 April 2023

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 unnamed 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 unnamed); 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