Table of Contents

This is part of Family API which allow to create dual-os version of program runs under OS/2 and DOS

Note: This is legacy API call. It is recommended to use 32-bit equivalent

2021/09/17 04:47 · prokushev · 0 Comments
2021/08/20 03:18 · prokushev · 0 Comments

DosSetMaxFH

This call defines the maximum number of file handles for the current process.

Syntax

 DosSetMaxFH (NumberHandles)

Parameters

Return Code

rc (USHORT) - return:Return code descriptions are:

Remarks

OS/2 initially allots 20 file handles to a process, which is the recommended amount for an application. However, if the system limit has not been reached, this amount can be increased with DosSetMaxFH. When this call is made, all open file handles are preserved.

Bindings

C

#define INCL_DOSFILEMGR
 
USHORT  rc = DosSetMaxFH(NumberHandles);
 
USHORT  NumberHandles; /* Number of file handles */
USHORT  rc;            /* return code */

MASM

EXTRN  DosSetMaxFH:FAR
INCL_DOSFILEMGR     EQU 1
 
PUSH   WORD    NumberHandles ;Number of file handles
CALL   DosSetMaxFH
 
Returns WORD
Family API
DOS Process Manager DosBeep DosExit DosSleep DosExecPgm
File Manager DosChDir DosChgFilePtr DosClose DosDelete DosDupHandle DosMkDir DosMove DosQCurDir DosQCurDisk DosSetFileMode DosOpen DosQFileInfo DosRead DosQFileMode DosQFSInfo DosQVerify DosRmDir DosSelectDisk DosFindClose DosFindFirst DosFindNext DosSetFileInfo DosSetVerify DosWrite DosFileLocks DosSetFHandState DosNewSize DosBufReset DosQFHandState DosSetFSinfo
Memory Manager DosFreeSeg DosSubAlloc DosSubFree DosSubSet DosAllocHuge DosAllocSeg DosReallocHuge DosReallocSeg DosGetHugeShift DosCreateCSAlias
NLS DosCaseMap DosGetCtryInfo DosGetDBCSEv DosSetCtryCode DosGetCollate DosGetMessage DosInsMessage DosPutMessage
Date and Time DosSetDateTime DosGetDateTime
Devices DosDevConfig DosDevIOCtl DosDevIOCtl2
Signals DosHoldSignal DosSetSigHandler
Misc BadDynLink DosGetEnv DosGetMachineMode DosGetVersion DosError DosErrClass DosSetVec
KBD KbdCharIn KbdFlushBuffer KbdGetStatus KbdSetStatus KbdStringIn KbdPeek
VIO VioGetBuf VioGetConfig VioGetCurPos VioGetCurType VioGetPhysBuf VioReadCellStr VioReadCharStr VioScrollUp VioScrollDn VioScrollLf VioScrollRt VioScrUnLock VioSetCurPos VioSetCurType VioSetMode VioGetMode VioShowBuf VioWrtCellStr VioWrtCharStr VioWrtCharStrAtt VioWrtNAttr VioWrtNCell VioWrtNChar VioWrtTTY VioScrLock VioPopUp
Tools BIND
Modules DOSCALLS.DLL VIOCALLS.DLL KBDCALLS.DLL MSG.DLL
Libraries API.LIB OS2386.LIB FAPI.LIB DOSCALLS.LIB SUBCALLS.LIB
2018/08/25 15:05 · prokushev · 0 Comments