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/*
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* Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifndef SYSIF_H
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#define SYSIF_H
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#include <e32std.h>
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#include <e32base.h>
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#include <f32file.h>
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#include <es_sock.h>
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#include <c32comm.h>
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#include <sys/select.h>
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#include <spawn.h>
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#include <sys/types.h>
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#include <wchar.h>
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#include "ipcclient.h"
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#include <dirent.h>
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#include <sys/socket.h>
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#include <stdapis/net/if.h>
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#include <commdb.h>
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#include <commdbconnpref.h>
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#include <rpipe.h>
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#include<tz.h>
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#ifdef SYMBIAN_OE_POSIX_SIGNALS
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#include "signalclient.h"
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#include "tsignalmessage.h"
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typedef void (*TSignalHandler)(int);
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typedef void (*TSignalAction)(int, siginfo_t *, void *);
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#endif
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/*
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@internalComponent
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*/
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_LIT(KEstlibInit, "STDLIBS-INIT");
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_LIT(KFDTransferSvr,"FDTrnsfrSvr");
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//Forward declaration for references below
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class RPipe;
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class CFileDesTransferServer;
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class RFileDesTransferSession;
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class CFileDescBase;
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/* TODO: We don't have to do this in CFileTable. Move to methods */
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class CFileSocketDesc;
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struct TChild
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/*
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@internalComponent
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*/
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{
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TInt iFid;
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TProcessId iPid;
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RProcess iProc;
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#ifdef __X86GCC__
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// The underlying data for a TProcessId is a TUint64. GCC raises an error if this is intialised to a negative value. Consider changing for all platforms.
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TChild(TInt aFid = -1, TProcessId aPid = 0) : iFid(aFid), iPid(aPid)
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#else
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TChild(TInt aFid = -1, TProcessId aPid = -1) : iFid(aFid), iPid(aPid)
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#endif //__X86GCC__
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{
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// nada
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}
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#ifdef __X86GCC__
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// The underlying data for a TProcessId is a TUint64. GCC raises an error if this is intialised to a negative value. Consider changing for all platforms.
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TChild(RProcess &aProc, TProcessId aFid = 0) : iProc(aProc), iFid(aFid)
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#else
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TChild(RProcess &aProc, TProcessId aFid = -1) : iProc(aProc), iFid(aFid)
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#endif //__X86GCC__
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{
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iPid = aProc.Id();
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}
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static TBool MatchByFid(const TChild& aChild1, const TChild& aChild2)
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{
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if (aChild1.iFid == aChild2.iFid)
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{
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return ETrue;
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}
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return EFalse;
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}
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static TBool MatchByPid(const TChild& aChild1, const TChild& aChild2)
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{
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if (aChild1.iPid == aChild2.iPid)
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{
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return ETrue;
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}
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return EFalse;
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}
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};
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class TCLSICleanup
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/*
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@internalComponent
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*/
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{
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public:
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void StorePtrs(RHeap* aHeap, RFs* aFs, RSocketServ* aSs, RCommServ* aCs, RFastLock* aSsLock, RFastLock* aCsLock, RTz * aTzs)
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{
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iHeap = aHeap;
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iFs = aFs;
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iSs = aSs;
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iCs = aCs;
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iSsLock = aSsLock;
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iCsLock = aCsLock;
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iTzS = aTzs;
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}
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~TCLSICleanup()
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{
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iFs->Close();
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iSs->Close();
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iSsLock->Close();
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iCs->Close();
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iCsLock->Close();
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iHeap->Close();
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iTzS->Close();
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}
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private:
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RHeap* iHeap;
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RFs* iFs;
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RSocketServ* iSs;
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RCommServ* iCs;
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RFastLock* iSsLock;
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RFastLock* iCsLock;
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RTz * iTzS;
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};
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class TFileTableCleanup
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{
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public:
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void SaveUserHeap(RHeap* aHeap)
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{
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iUserHeap = aHeap;
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}
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~TFileTableCleanup()
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{
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User::SwitchHeap(iUserHeap);
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}
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private:
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RHeap* iUserHeap;
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};
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class CFileTable
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/*
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@internalComponent
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*/
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{
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public:
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CFileTable();
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~CFileTable();
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TInt Init(RHeap* aHeap = NULL);
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void Close();
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void Default(CFileDescBase* aRedirMedia, CFileDescBase* aStdErrMedia);
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TInt Reserve();
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TInt Attach(TInt aFid, CFileDescBase* aFile);
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TInt Detach(TInt aFid, CFileDescBase*& aDetached);
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TInt At(TInt aFid, CFileDescBase*& aFound) const;
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TInt Reserve(TInt aFids[3]);
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TInt Detach(TInt aFids[3]);
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int dup (int fid, int& anErrno);
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int dup2 (int fid1, int fid2, int& anErrno);
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int open (const wchar_t* name, int mode, int perms, int& anErrno);
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int close (int fid, int& anErrno);
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int UserClose (int fid, int& anErrno);
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off_t lseek (int fid, off_t offset, int whence, int& anErrno);
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int fstat (int fid, struct stat* st, int& anErrno);
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int socket (int family, int style, int protocol, int& anErrno, RSocketServ& aSs);
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int listen (int fd, int n, int& anErrno);
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int bind (int fd, const struct sockaddr* addr, unsigned long size, int& anErrno);
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int sockname (int fd, struct sockaddr* address, unsigned long* aAddrLen,int anEnd, int& anErrno);
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int getsockopt (int fd, int level, int opt, void* buf, unsigned long* len, int& anErrno);
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int setsockopt (int fd, int level, int opt, void* buf, unsigned long len, int& anErrno);
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int ioctlcomplete (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno);
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int ioctlcancel (int fid, int& anErrno);
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int fcntl (int aFid, int aCmd, long anArg, int& anErrno);
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TInt Asynch (int fid, CFileDescBase*& aFile);
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int popen (const wchar_t* file, const wchar_t* cmd,const char* mode, int& anErrno);
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int pclose (int aFid, int& anErrno);
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int popen3 (const wchar_t *file, const wchar_t *cmd, wchar_t** envp, int fids[3], int& anErrno);
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int system (const wchar_t* aCmd, const wchar_t* aCmdArg, int& anErrno);
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int waitpid (int pid, int* status, int options, int& anErrno);
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int posix_spawn (int* pid, const wchar_t* wpath,
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const posix_spawn_file_actions_t* file_actions,
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const posix_spawnattr_t* attrp,
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const wchar_t* wargs, wchar_t** wenvp);
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void TransferToChild (RProcess& child, TInt aFds[], TInt aWhich, TInt aSlot);
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void PassEnvToChild (RProcess& child, wchar_t** aEnvp);
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void PassFileActionsToChild (RProcess& child,
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const posix_spawn_file_actions_t* aFileActions);
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#ifdef SYMBIAN_OE_POSIX_SIGNALS
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void TransferSigMaskToChild(RProcess& childproc,TDes& sigmask);
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void CheckOrigins (wchar_t**& wenvp, int& aCount, TUint64 & aSigMask);
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#else
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void CheckOrigins (wchar_t**& wenvp, int& aCount);
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#endif
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TInt InheritFiles(CFileDesTransferServer* server);
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int pipe (int fildes[2], int& anErrno);
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int mkfifo (const wchar_t *pathname, mode_t mode, int& anErrno, RFs& aFs);
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int CreatePipeDesc (int fildes, RPipe& aHandle, TUint16 aMode = 0);
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void ClosePipe (int fds[2], int& err);
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static CFileDescBase* FifoOpen (const wchar_t* pathName, mode_t mode, int perms, int& anErrno);
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int link (const wchar_t *oldpathName, const wchar_t *newpathName, int& anErrno, RFs& aFs);
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static CFileDescBase* LinkOpen (const wchar_t* pathName, mode_t mode, int perms, int& anErrno, RFs& aFs);
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int unlink (RFs& aFs, const wchar_t *pathName, int& anErrno);
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int AcceptFileSocket(CFileSocketDesc* pfs, const struct sockaddr_un* addr, int& anErrno, RFs& aFs);
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TInt RConnectionCount();
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TInt RConnectionAt (TInt aRcIndex, RConnection *&aRc);
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TInt AddRConnectionPtr (RConnection *aRc, TInt &aRcIndex);
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void RemoveRConnectionPtrAt (TInt aRcIndex);
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void DeleteRConnectionList();
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CFileDesTransferServer* NewFDTransferServerL(RSemaphore &sem);
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void StartFDTransferServer(CFileDesTransferServer* pServer);
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void CloseFDTransferServer(CFileDesTransferServer* pServer);
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int SetEcho(int aFd, TUint8 aEcho, int& aErrno);
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void DoTransferAll(RSemaphore &sem,TDesC& name);
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TInt GetFileCount() const
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{
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return iFids.Count();
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}
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void Lock()
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{
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iFidLock.Wait();
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}
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void Unlock()
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{
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iFidLock.Signal();
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}
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private:
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TFileTableCleanup iCleanup;
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CArrayPtrSeg<CFileDescBase> iFids;
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// invoked by dup
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TInt Dup(TInt aFid);
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// invoked by both dup2 and fcntl with F_DUPFD
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TInt Dup2(TInt aFid, TInt aFid2, TBool aCloseFid2);
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// the real dup-er.
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TInt DupFd(TInt aFid1, TInt aFid2);
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void Release(TInt aFid);
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//Lock for protecting FIDs across threads
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RFastLock iFidLock;
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//stores pids of all children of this process
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RArray<TChild> iChildren;
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//Methods to manipulate iChildren
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void AddChild(const TChild& aChild);
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void RemoveChild(TInt aIdx);
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void ExpandFTableL(TInt count);
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const RArray<TChild>& GetChildren() const
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{
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return iChildren;
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}
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TInt FindChild(const TInt aFid) const
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{
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return iChildren.Find(TChild(aFid),
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TIdentityRelation<TChild>(TChild::MatchByFid));
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}
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TInt FindChild(const TProcessId aPid) const
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{
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return iChildren.Find(TChild(-1, aPid),
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TIdentityRelation<TChild>(TChild::MatchByPid));
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}
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CArrayPtrSeg<RConnection> iRConnectionList;
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//Lock for protecting iRConnectionList across threads
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RFastLock iRcLock;
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// A pointer to the private heap
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RHeap* iPrivateHeap;
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friend class CFileDesTransferSession;
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};
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class PosixFilesystem
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/*
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@internalComponent
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*/
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{
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public:
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static wchar_t* getcwd(RFs& aFs, wchar_t* buf, unsigned long len, int& anErrno);
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static int chdir(RFs& aFs, const wchar_t* path, int& anErrno);
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static int mkdir(RFs& aFs, const wchar_t* path, int perms, int& anErrno);
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static int rmdir(RFs& aFs, const wchar_t* path, int& anErrno);
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static int chmod(RFs& aFs, const wchar_t* path, int perms, int& anErrno);
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static int reg_unlink(RFs& aFs, const wchar_t* path, int& anErrno);
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static int statbackend(RFs& aFs, const wchar_t* name, struct stat* st, int& anErrno);
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static int rename(RFs& aFs, const wchar_t* oldname, const wchar_t* newname, int& anErrno);
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static TInt ResolvePath(TParse& aResult, const wchar_t* path, TDes* aFilename);
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static TInt SetDefaultDir(RFs& aFs);
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static TInt CreateDefaultPrivatePath(RFs& aFs);
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static int utime(RFs& aFs, const wchar_t* name, const struct utimbuf* filetimes, int& anErrno);
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};
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class TAccessPointRecord
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{
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public:
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TUint32 iId;
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TBuf<KCommsDbSvrMaxColumnNameLength> iName;
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TUint32 iDialogPref;
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TUint32 iDirection;
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TUint32 iService;
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TBuf<KCommsDbSvrMaxColumnNameLength> iServiceType;
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TUint32 iBearer;
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TBuf<KCommsDbSvrMaxColumnNameLength> iBearerType;
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TUint32 iNetwork;
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TUint32 iNetworkWeighting;
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TUint32 iLocation;
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public:
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TAccessPointRecord();
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};
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// This structure encapsulates an aselect request
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NONSHARABLE_STRUCT ( TaselectRequestInfo )
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{
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TThreadId iId;
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int iMaxFd;
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fd_set* iReadFds;
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fd_set* iWriteFds;
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fd_set* iExceptFds;
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struct timeval *itvptr;
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TRequestStatus* iRequestStatus;
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};
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// Holds the information about aselect requests, this used required
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// for cancellation of the aselect requests
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NONSHARABLE_CLASS ( TASelectRequest )
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{
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public:
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// Thread id of the thread processing the aselect
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TThreadId iThreadId;
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// Request object used for the request
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TRequestStatus* iRequestStatus;
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};
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NONSHARABLE_CLASS(CLocalSystemInterface) : public CBase
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/*
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@internalComponent
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*/
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{
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public:
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IMPORT_C CLocalSystemInterface();
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IMPORT_C ~CLocalSystemInterface();
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#ifdef __SYMBIAN_COMPILE_UNUSED__
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CLocalSystemInterface& Clone();
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void Release();
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void TerminateProcess(int status);
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#endif //__SYMBIAN_COMPILE_UNUSED__
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int AddToDirList(DIR *aDir);
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|
399 |
int RemoveDirFromList(DIR* aDir);
|
|
400 |
int FindInDirList(DIR* aDir);
|
|
401 |
|
|
402 |
void Exit(int code);
|
|
403 |
|
|
404 |
int dup (int fid, int& anErrno);
|
|
405 |
int dup2 (int fid, int fid2, int& anErrno);
|
|
406 |
int open (const wchar_t* name, int mode, int perms, int& anErrno);
|
|
407 |
int read (int fid, char* buf, unsigned long len, int& anErrno);
|
|
408 |
int write (int fid, const char* buf, unsigned long len, int& anErrno);
|
|
409 |
int fsync (int fid, int& anErrno);
|
|
410 |
int close (int fid, int& anErrno);
|
|
411 |
off_t lseek (int fid, off_t offset, int whence, int& anErrno);
|
|
412 |
int fstat (int fid, struct stat* st, int& anErrno);
|
|
413 |
int ioctl (int fid, int cmd, void* param, int& anErrno);
|
|
414 |
int ioctl (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno);
|
|
415 |
int ioctl_complete (int fid, int cmd, void* param, TRequestStatus& aStatus, int& anErrno);
|
|
416 |
|
|
417 |
#ifdef __SYMBIAN_COMPILE_UNUSED__
|
|
418 |
int ioctl_cancel (int fid, int& anErrno);
|
|
419 |
#endif //__SYMBIAN_COMPILE_UNUSED__
|
|
420 |
|
|
421 |
wchar_t* getcwd (wchar_t* buf, unsigned long len, int& anErrno);
|
|
422 |
|
|
423 |
int chdir (const wchar_t* path, int& anErrno);
|
|
424 |
int mkdir (const wchar_t* path, int perms, int& anErrno);
|
|
425 |
int rmdir (const wchar_t* path, int& anErrno);
|
|
426 |
int chmod (const wchar_t* path, int perms, int& anErrno);
|
|
427 |
int stat (const wchar_t* name, struct stat* st, int& anErrno);
|
|
428 |
int lstat (const wchar_t* name, struct stat *st, int& anErrno);
|
|
429 |
int rename (const wchar_t* oldname, const wchar_t* newname, int& anErrno);
|
|
430 |
|
|
431 |
IMPORT_C TInt ResolvePath (TParse& aResult, const wchar_t* path, TDes* aFilename);
|
|
432 |
int socket (int family, int style, int protocol, int& anErrno);
|
|
433 |
int recvfrom (int fd, char* buf, unsigned long cnt, int flags, struct sockaddr* from, unsigned long* fromsize, int& anErrno);
|
|
434 |
int sendto (int fd, const char* buf, unsigned long cnt, int flags, struct sockaddr* to, unsigned long tosize, int& anErrno);
|
|
435 |
int shutdown (int fd, int how, int& anErrno);
|
|
436 |
int listen (int fd, int n, int& anErrno);
|
|
437 |
int accept (int fd, struct sockaddr *addr, size_t *size, int& anErrno);
|
|
438 |
int bind (int fd, const struct sockaddr* addr, unsigned long size, int& anErrno);
|
|
439 |
int connect (int fd, const struct sockaddr* addr, unsigned long size, int& anErrno);
|
|
440 |
int sockname (int fd, struct sockaddr* addr, unsigned long* size, int anEnd, int& anErrno);
|
|
441 |
int getsockopt (int fd, int level, int opt, void* buf, unsigned long* len, int& anErrno);
|
|
442 |
int setsockopt (int fd, int level, int opt, void* buf, unsigned long len, int& anErrno);
|
|
443 |
|
|
444 |
int popen3 (const wchar_t *file, const wchar_t *cmd, wchar_t** envp, int fids[3], int& anErrno);
|
|
445 |
int waitpid (int pid, int* status, int options, int& anErrno);
|
|
446 |
|
|
447 |
int fcntl (int aFid, int aCmd, long anArg, int& anErrno);
|
|
448 |
int utime (const wchar_t* name, const struct utimbuf* filetimes, int& anErrno);
|
|
449 |
|
|
450 |
int popen (const wchar_t* file, const wchar_t* cmd, const char* mode, int& anErrno);
|
|
451 |
int pclose (int aFid, int& anErrno);
|
|
452 |
IMPORT_C void CheckOrigins (wchar_t**& wenvp, int& aCount);
|
|
453 |
#ifdef SYMBIAN_OE_POSIX_SIGNALS
|
|
454 |
TInt SignalHandler();
|
|
455 |
IMPORT_C void InitSignalHandler();
|
|
456 |
void RegisterExitNotification(TProcessId aPid);
|
|
457 |
|
|
458 |
inline TUint64 GetSigMask()const
|
|
459 |
{
|
|
460 |
return iSigMask;
|
|
461 |
}
|
|
462 |
|
|
463 |
int kill(pid_t pid, int sig, int& anErrno);
|
|
464 |
int raise(int sig, int& anErrno);
|
|
465 |
int sigqueue(pid_t pid, int sig, const union sigval val, int& anErrno);
|
|
466 |
|
|
467 |
int sigfillset(sigset_t *set, int& anErrno);
|
|
468 |
int sigaddset(sigset_t *set, int signo, int& anErrno);
|
|
469 |
int sigdelset(sigset_t *set, int signo, int& anErrno);
|
|
470 |
int sigismember(const sigset_t *set, int signo, int& anErrno);
|
|
471 |
int sigandset(sigset_t * set, const sigset_t * left, const sigset_t * right, int& anErrno);
|
|
472 |
int sigorset(sigset_t * set, const sigset_t * left, const sigset_t * right, int& anErrno);
|
|
473 |
int sigisemptyset(const sigset_t * set, int& anErrno);
|
|
474 |
int sigemptyset(sigset_t * set, int& anErrno);
|
|
475 |
|
|
476 |
int sigprocmask(int how, const sigset_t *set, sigset_t *oset, int& anErrno);
|
|
477 |
int sighold(int signo, int& anErrno);
|
|
478 |
int sigrelse(int signo, int& anErrno);
|
|
479 |
int sigpause(int signo, int& anErrno);
|
|
480 |
|
|
481 |
int sigwait(const sigset_t *set, int *sig, int& anErrno);
|
|
482 |
int sigtimedwait(const sigset_t *set, siginfo_t *info, const struct timespec *timeout, int& anErrno);
|
|
483 |
int sigwaitinfo(const sigset_t *set, siginfo_t *info, int& anErrno);
|
|
484 |
int sigaction(int sig, const struct sigaction *act, struct sigaction *oact, int& anErrno);
|
|
485 |
TSignalHandler sigset(int aSigNum, TSignalHandler disp, int& anErrno);
|
|
486 |
TSignalHandler bsd_signal(int aSigNum, TSignalHandler aFunc,int& anErrno);
|
|
487 |
TSignalHandler signal(int aSigNum, TSignalHandler aFunc,int& anErrno);
|
|
488 |
int sigignore(int aSigNum, int& anErrno);
|
|
489 |
unsigned int alarm(unsigned int seconds);
|
|
490 |
int sigpending(sigset_t *set,int& anErrno);
|
|
491 |
|
|
492 |
#ifdef SYMBIAN_OE_LIBRT
|
|
493 |
//start timers...
|
|
494 |
IMPORT_C TInt AddTimer(const TInt& aTimerId);
|
|
495 |
IMPORT_C TInt DeleteTimer(const TInt& aTimerId);
|
|
496 |
IMPORT_C TInt IncrementOverrun(const TInt& aTimerId);
|
|
497 |
IMPORT_C TInt ResetOverrun(const TInt& aTimerId);
|
|
498 |
IMPORT_C TInt Overrun(const TInt& aTimerId);
|
|
499 |
IMPORT_C TInt RaiseTimerSignal(int sig, int timerid);
|
|
500 |
//end timers
|
|
501 |
#endif //SYMBIAN_OE_LIBRT
|
|
502 |
#endif // SYMBIAN_OE_POSIX_SIGNALS
|
|
503 |
int pipe (int fildes[2], int& anErrno );
|
|
504 |
int mkfifo (const wchar_t *pathname, mode_t mode, int& anErrno);
|
|
505 |
int link (const wchar_t *oldpathName, const wchar_t *newpathName, int& anErrno );
|
|
506 |
int unlink (const wchar_t *pathName, int& anErrno );
|
|
507 |
|
|
508 |
int select (int maxfd, fd_set* readfds,fd_set* writefds,fd_set* exceptfds, struct timeval* tvptr, int& anErrno);
|
|
509 |
|
|
510 |
int aselect(int maxfd, fd_set *readfds, fd_set *writefds,fd_set *exceptfds, struct timeval *tvptr, TRequestStatus* requeststatus,int& anErrno);
|
|
511 |
|
|
512 |
int cancelaselect(TRequestStatus* requeststatus,int& anErrno,int performcleanup = 0);
|
|
513 |
|
|
514 |
int eselect(int maxfd, fd_set *readfds, fd_set *writefds,fd_set *exceptfds, struct timeval *tvptr, int arraycount,TRequestStatus* waitarray,int& anErrno);
|
|
515 |
|
|
516 |
static TInt handleaselect(TAny* aPtr);
|
|
517 |
|
|
518 |
RArray<TASelectRequest>& ASelectRequest();
|
|
519 |
|
|
520 |
RFastLock& ASelectLock();
|
|
521 |
int system (const wchar_t* aCmd, const wchar_t* aCmdArg, int& anErrno );
|
|
522 |
const wchar_t* GetDirName (int aFid);
|
|
523 |
IMPORT_C int Truncate (int aFid, off_t anOffset, int& anErrno);
|
|
524 |
int fchmod (int fd , mode_t perms, int& anErrno);
|
|
525 |
|
|
526 |
int posix_spawn (int* pid, const wchar_t* wpath,
|
|
527 |
const posix_spawn_file_actions_t* file_actions,
|
|
528 |
const posix_spawnattr_t* attrp,
|
|
529 |
const wchar_t* wargs, wchar_t** wenvp);
|
|
530 |
|
|
531 |
int SetEcho(int aFd, TUint8 aEcho, int& aErrno);
|
|
532 |
|
|
533 |
//Set the default interface for network operations
|
|
534 |
int setdefaultif(const struct ifreq* aIfReq);
|
|
535 |
|
|
536 |
IMPORT_C CFileDescBase* GetDesc(int aFid);
|
|
537 |
|
|
538 |
// functions returning session to File Server
|
|
539 |
IMPORT_C RFs& FileSession();
|
|
540 |
RCommServ& CommServSession();
|
|
541 |
RSocketServ& SockServSession();
|
|
542 |
|
|
543 |
//Dynamic Memory related APIs
|
|
544 |
IMPORT_C void* Alloc(size_t aNBytes);
|
|
545 |
IMPORT_C void* ReAlloc(void* aPtr, size_t aNBytes);
|
|
546 |
IMPORT_C void Free(void* aPtr);
|
|
547 |
IMPORT_C void* AllocTLD(TInt aSize);
|
|
548 |
|
|
549 |
//Return the private Heap memory
|
|
550 |
IMPORT_C RHeap* Heap();
|
|
551 |
|
|
552 |
//Return the Comms Server Lock
|
|
553 |
RFastLock& CommsSessionLock();
|
|
554 |
|
|
555 |
//Return reference to file table
|
|
556 |
const CFileTable& FileTable() const;
|
|
557 |
|
|
558 |
//Get the default connection (RConnection) instance
|
|
559 |
RConnection& GetDefaultConnection();
|
|
560 |
|
|
561 |
//Get the saved session path of the file server session
|
|
562 |
TInt GetSessionPath(TDes& aPath);
|
|
563 |
|
|
564 |
//Save the file server session path
|
|
565 |
TInt SaveSessionPath(const TDesC& aPath);
|
|
566 |
|
|
567 |
static void WaitForNRequest(TRequestStatus aStatusArray[], TInt aNum);
|
|
568 |
|
|
569 |
private:
|
|
570 |
//Helper function to read a record from the IAP table
|
|
571 |
void ReadRecordFromIapTableL(CCommsDbTableView* aView, TAccessPointRecord &aRecord);
|
|
572 |
//Get the connection preferences from an IAP name
|
|
573 |
TInt GetConnectionPreferencesL(TBuf<KCommsDbSvrMaxColumnNameLength> aIapName,
|
|
574 |
TCommDbConnPref &aConnPref);
|
|
575 |
|
|
576 |
// Helper function used by "select" api.
|
|
577 |
// The function returns "True", if an ioctl call has been made and it is to be waited upon.
|
|
578 |
// The function returns "False", (if an ioctl call is not made)/(an ioctl call was made but is not to be waited upon, and will get cancelled).
|
|
579 |
TBool SelectPollIssueIoctl(fd_set** aInputFds, fd_set** aOutputFds,
|
|
580 |
TRequestStatus* aReqArray, TInt *aReqFds, TInt aNumReqs, TInt& nDescriptorsSet) ;
|
|
581 |
TInt CreateaselectThread(int maxfd, fd_set* readfds, fd_set* writefds,
|
|
582 |
fd_set* exceptfds, struct timeval* tvptr,
|
|
583 |
TRequestStatus* requeststatus, int& anErrno);
|
|
584 |
|
|
585 |
// Helper function for the setdefaultif() API to restart the
|
|
586 |
// default RConnection with the new settings.
|
|
587 |
TInt StartDefConnection();
|
|
588 |
|
|
589 |
private:
|
|
590 |
// NOTE: iCleanup should be the first member of CLSI, since iPrivateHeap
|
|
591 |
// will be destroyed from within iCleanup destructor.
|
|
592 |
TCLSICleanup iCleanup;
|
|
593 |
|
|
594 |
CFileTable iFids;
|
|
595 |
|
|
596 |
//The backend file session for the application
|
|
597 |
RFs iFs;
|
|
598 |
//The current session path of the application.
|
|
599 |
TFileName iSessionPath;
|
|
600 |
//Lock to guard the session path
|
|
601 |
RFastLock iSessionPathLock;
|
|
602 |
|
|
603 |
RSocketServ iSs;
|
|
604 |
RCommServ iCs;
|
|
605 |
|
|
606 |
//Lock for protecting Socket Session across threads
|
|
607 |
RFastLock iSSLock;
|
|
608 |
//Lock for protecting Comms Session across threads
|
|
609 |
RFastLock iCSLock;
|
|
610 |
|
|
611 |
//Private Heap which will be used by the library for all memory allocation
|
|
612 |
RHeap* iPrivateHeap;
|
|
613 |
|
|
614 |
//used for Opendir
|
|
615 |
const static TInt KDirGran = 2;
|
|
616 |
RPointerArray<TAny> iOpenDirList;
|
|
617 |
|
|
618 |
//in class consts
|
|
619 |
const static TInt KTLDInfoListGran = 4;
|
|
620 |
const static TInt KPtrsGran = 2;
|
|
621 |
|
|
622 |
//Thread-TLS pointers mapping
|
|
623 |
class TTLDInfo
|
|
624 |
{
|
|
625 |
public:
|
|
626 |
TTLDInfo(TThreadId id, TAny* ptr) : iTid(id), iPtrs(CLocalSystemInterface::KPtrsGran)
|
|
627 |
{
|
|
628 |
iPtrs.Append(ptr);
|
|
629 |
}
|
|
630 |
void Close(RHeap* pHeap)
|
|
631 |
{
|
|
632 |
TInt nptrs = iPtrs.Count();
|
|
633 |
for (TInt j = 0; j < nptrs; ++j)
|
|
634 |
{
|
|
635 |
pHeap->Free(iPtrs[j]);
|
|
636 |
}
|
|
637 |
iPtrs.Close();
|
|
638 |
}
|
|
639 |
TThreadId iTid;
|
|
640 |
RPointerArray<TAny> iPtrs;
|
|
641 |
};
|
|
642 |
|
|
643 |
//Array of Thread-TLS pointers mappings
|
|
644 |
RArray<TTLDInfo> iTLDInfoList;
|
|
645 |
|
|
646 |
//Protect the array from concurrent access
|
|
647 |
RFastLock iTLDListLock;
|
|
648 |
//The default connection to be used for all network apis.
|
|
649 |
RConnection iDefConnection;
|
|
650 |
//Protect the iDefConnection from concurrent GetDefaultConnection calls
|
|
651 |
RFastLock iDefConnLock;
|
|
652 |
//Lock for protecting iASelectRequest across threads
|
|
653 |
RFastLock iASelectLock;
|
|
654 |
|
|
655 |
// iASelectRequest holds the TASelectRequest objects of the aselect requests
|
|
656 |
RArray<TASelectRequest> iASelectRequest;
|
|
657 |
|
|
658 |
// Default connection settings, set/cleared using setdefaultif
|
|
659 |
TConnPref* iDefConnPref;
|
|
660 |
RTz iTzServer;
|
|
661 |
#ifdef SYMBIAN_OE_POSIX_SIGNALS
|
|
662 |
// Signal handler thread
|
|
663 |
RThread iSignalHandlerThread;
|
|
664 |
RPipe iSignalReadPipe;
|
|
665 |
RPipe iSignalWritePipe;
|
|
666 |
TBool iSignalLoopRunning;
|
|
667 |
RSignalSession iSignalSession;
|
|
668 |
TUint64 iSigMask;
|
|
669 |
RArray<TSignalMessage> iBlockedSigArray;
|
|
670 |
RMutex iBlockedSAMutex;
|
|
671 |
TRequestStatus iPipeReadStatus;
|
|
672 |
|
|
673 |
// For thread(s) to wait till signals initialization happens
|
|
674 |
TInt iSigInitWaitCount;
|
|
675 |
RSemaphore iSigInitWaitSemaphore;
|
|
676 |
RMutex iSigInitWaitMutex;
|
|
677 |
TBool iSignalsInitialized;
|
|
678 |
|
|
679 |
RSemaphore iSignalInitSemaphore;
|
|
680 |
|
|
681 |
class TChildWaiter
|
|
682 |
{
|
|
683 |
public:
|
|
684 |
TChildWaiter()
|
|
685 |
{
|
|
686 |
iWaiterStatus = KRequestPending;
|
|
687 |
iWaiterPid = 0;
|
|
688 |
}
|
|
689 |
|
|
690 |
virtual ~TChildWaiter() {}
|
|
691 |
|
|
692 |
TRequestStatus iWaiterStatus;
|
|
693 |
TProcessId iWaiterPid;
|
|
694 |
|
|
695 |
static TBool MatchByPid(const TChildWaiter& aWaiter1, const TChildWaiter& aWaiter2)
|
|
696 |
{
|
|
697 |
if((aWaiter1.iWaiterPid == aWaiter2.iWaiterPid) != 0)
|
|
698 |
return ETrue;
|
|
699 |
else
|
|
700 |
return EFalse;
|
|
701 |
}
|
|
702 |
|
|
703 |
static TBool MatchNotPending(const TChildWaiter& aWaiter1, const TChildWaiter& aWaiter2)
|
|
704 |
{
|
|
705 |
if(aWaiter1.iWaiterStatus == KRequestPending || aWaiter2.iWaiterStatus == KRequestPending)
|
|
706 |
return EFalse;
|
|
707 |
else
|
|
708 |
return ETrue;
|
|
709 |
}
|
|
710 |
};
|
|
711 |
|
|
712 |
class TSignalActionInfo
|
|
713 |
{
|
|
714 |
public:
|
|
715 |
TSignalActionInfo()
|
|
716 |
{
|
|
717 |
iSigHandler = SIG_DFL;
|
|
718 |
iSigAction = 0;
|
|
719 |
iSigFlags = 0;
|
|
720 |
}
|
|
721 |
|
|
722 |
virtual ~TSignalActionInfo() {}
|
|
723 |
|
|
724 |
TSignalHandler iSigHandler;
|
|
725 |
TSignalAction iSigAction;
|
|
726 |
TUint32 iSigFlags;
|
|
727 |
};
|
|
728 |
|
|
729 |
TFixedArray<TSignalActionInfo,SIGRTMAX> iSigActions;
|
|
730 |
RMutex iSigHandlerMutex;
|
|
731 |
RTimer iAlarmTimer;
|
|
732 |
TTime iAlarmStartTime;
|
|
733 |
TRequestStatus iAlarmStatus;
|
|
734 |
TBool iIsTimerActive;
|
|
735 |
TUint iCurrentTimeout;
|
|
736 |
|
|
737 |
void HandleSignal(TSignalMessage& aMsg, TBool aIsDequeued = EFalse);
|
|
738 |
void InitializeSignalHandlers();
|
|
739 |
void CallDefaultHandler(int aSigNum);
|
|
740 |
void WaitOrHandleSignal(TSignalMessage aMsg);
|
|
741 |
TInt SuspendOtherThreads();
|
|
742 |
TInt ResumeOtherThreads();
|
|
743 |
TInt EnsureSignalsInitialized();
|
|
744 |
TInt SigWaitInternal(TUint64 aWaitSet,TSignalMessage* aMsg,TInt aTimeout,TBool aTimeCheckFailed=EFalse);
|
|
745 |
|
|
746 |
class TSignalWaiter
|
|
747 |
{
|
|
748 |
public:
|
|
749 |
TSignalWaiter(TUint64 aWaitMask, TSignalMessage* aMsgPtr)
|
|
750 |
{
|
|
751 |
iSigWaitSemaphore.CreateLocal(0);
|
|
752 |
iSigWaitMessagePtr = aMsgPtr;
|
|
753 |
iSigWaitMask = aWaitMask;
|
|
754 |
|
|
755 |
RThread lThread;
|
|
756 |
iSigWaitThreadId = lThread.Id();
|
|
757 |
lThread.Close();
|
|
758 |
}
|
|
759 |
|
|
760 |
virtual ~TSignalWaiter()
|
|
761 |
{
|
|
762 |
iSigWaitSemaphore.Close();
|
|
763 |
}
|
|
764 |
|
|
765 |
TUint64 iSigWaitMask;
|
|
766 |
RSemaphore iSigWaitSemaphore;
|
|
767 |
TSignalMessage* iSigWaitMessagePtr;
|
|
768 |
TThreadId iSigWaitThreadId;
|
|
769 |
|
|
770 |
static TBool MatchByMask(const TSignalWaiter& aWaiter1, const TSignalWaiter& aWaiter2)
|
|
771 |
{
|
|
772 |
if((aWaiter1.iSigWaitMask & aWaiter2.iSigWaitMask) != 0)
|
|
773 |
return ETrue;
|
|
774 |
else
|
|
775 |
return EFalse;
|
|
776 |
}
|
|
777 |
|
|
778 |
static TBool MatchByThreadId(const TSignalWaiter& aWaiter1, const TSignalWaiter& aWaiter2)
|
|
779 |
{
|
|
780 |
if(aWaiter1.iSigWaitThreadId == aWaiter2.iSigWaitThreadId)
|
|
781 |
return ETrue;
|
|
782 |
else
|
|
783 |
return EFalse;
|
|
784 |
}
|
|
785 |
};
|
|
786 |
|
|
787 |
RArray<TSignalWaiter> iSignalWaiterArray;
|
|
788 |
RArray<TChildWaiter> iChildWaiterArray;
|
|
789 |
RMutex iSignalWaiterMutex;
|
|
790 |
|
|
791 |
#ifdef SYMBIAN_OE_LIBRT
|
|
792 |
//timers..
|
|
793 |
TInt FindTimer(const TInt& aTimerId);
|
|
794 |
class TOverrun
|
|
795 |
{
|
|
796 |
public:
|
|
797 |
TOverrun(const TInt& aTimerId):iTimerId(aTimerId), Overruns(0)
|
|
798 |
{
|
|
799 |
}
|
|
800 |
|
|
801 |
TInt iTimerId;
|
|
802 |
TInt Overruns;
|
|
803 |
};
|
|
804 |
|
|
805 |
RArray<TOverrun> iTimerOverruns;
|
|
806 |
RMutex iTimerOverrunsMutex;
|
|
807 |
//timers..
|
|
808 |
#endif // SYMBIAN_OE_LIBRT
|
|
809 |
|
|
810 |
#endif // SYMBIAN_OE_POSIX_SIGNALS
|
|
811 |
public:
|
|
812 |
|
|
813 |
inline RTz & TZServer()
|
|
814 |
{
|
|
815 |
return iTzServer;
|
|
816 |
}
|
|
817 |
//ipc server session
|
|
818 |
RIpcSession iIpcS;
|
|
819 |
friend class RFileDesTransferSession;
|
|
820 |
};
|
|
821 |
|
|
822 |
|
|
823 |
/*
|
|
824 |
* Return global backend object to libraries
|
|
825 |
*/
|
|
826 |
IMPORT_C CLocalSystemInterface* Backend();
|
|
827 |
|
|
828 |
|
|
829 |
|
|
830 |
|
|
831 |
// LIBC-BACKEND specific Symbian Error Codes
|
|
832 |
const TInt KErrMaxFdOpened = -1025;
|
|
833 |
const TInt KErrDirectoryOpen = -1026;
|
|
834 |
|
|
835 |
|
|
836 |
|
|
837 |
// Directory enumeration
|
|
838 |
|
|
839 |
NONSHARABLE_STRUCT(__EPOC32_WDIR) : public CBase // aka "class __EPOC32_WDIR with everything public"
|
|
840 |
{
|
|
841 |
public:
|
|
842 |
__EPOC32_WDIR() {}
|
|
843 |
~__EPOC32_WDIR();
|
|
844 |
|
|
845 |
TInt Open();
|
|
846 |
TInt Open(const TDesC& aPath);
|
|
847 |
TInt Open(const wchar_t *_path,int*);
|
|
848 |
virtual TInt UpdateNarrow();
|
|
849 |
HBufC* iPath;
|
|
850 |
CDir* iEntries;
|
|
851 |
TInt iIndex; // counting down, 0 means "finished"
|
|
852 |
struct wdirent iCurrent;
|
|
853 |
TInt iCount ;
|
|
854 |
TBuf16<KMaxFileName> iCurrentName;
|
|
855 |
/* *****************************************************************
|
|
856 |
Overloading new and delete operators so that they will
|
|
857 |
allocate and deallocare memory from/to the private heap of backend
|
|
858 |
********************************************************************/
|
|
859 |
inline TAny* operator new(TUint aSize, TAny* aBase) __NO_THROW
|
|
860 |
{
|
|
861 |
Mem::FillZ(aBase, aSize); return aBase;
|
|
862 |
}
|
|
863 |
|
|
864 |
inline TAny* operator new(TUint aSize) __NO_THROW
|
|
865 |
{
|
|
866 |
return Backend()->Alloc(aSize);
|
|
867 |
}
|
|
868 |
|
|
869 |
inline TAny* operator new(TUint aSize, TLeave)
|
|
870 |
{
|
|
871 |
TAny* ptr = Backend()->Alloc(aSize);
|
|
872 |
if (ptr == NULL)
|
|
873 |
{
|
|
874 |
User::Leave(KErrNoMemory);
|
|
875 |
}
|
|
876 |
return ptr;
|
|
877 |
}
|
|
878 |
|
|
879 |
inline TAny* operator new(TUint aSize, TUint aExtraSize) __NO_THROW
|
|
880 |
{
|
|
881 |
return Backend()->Alloc(aSize + aExtraSize);
|
|
882 |
}
|
|
883 |
|
|
884 |
inline TAny* operator new(TUint aSize, TLeave, TUint aExtraSize)
|
|
885 |
{
|
|
886 |
TAny* ptr = Backend()->Alloc(aSize + aExtraSize);
|
|
887 |
if (ptr == NULL)
|
|
888 |
{
|
|
889 |
User::Leave(KErrNoMemory);
|
|
890 |
}
|
|
891 |
return ptr;
|
|
892 |
}
|
|
893 |
|
|
894 |
inline void operator delete(TAny *aPtr) __NO_THROW
|
|
895 |
{
|
|
896 |
Backend()->Free( aPtr );
|
|
897 |
}
|
|
898 |
};
|
|
899 |
|
|
900 |
NONSHARABLE_STRUCT(__EPOC32_DIR) : public __EPOC32_WDIR
|
|
901 |
{
|
|
902 |
public:
|
|
903 |
__EPOC32_DIR(){}
|
|
904 |
~__EPOC32_DIR(){}
|
|
905 |
|
|
906 |
virtual TInt UpdateNarrow();
|
|
907 |
struct dirent iCurrentNarrow;
|
|
908 |
TBuf8<KMaxFileName> iCurrentNarrowName;
|
|
909 |
};
|
|
910 |
|
|
911 |
NONSHARABLE_STRUCT (_iconv_t)
|
|
912 |
{
|
|
913 |
TUint toCode;
|
|
914 |
TUint fromCode;
|
|
915 |
};
|
|
916 |
|
|
917 |
class TUSockAddr : public TSockAddr
|
|
918 |
/*
|
|
919 |
Utility class for converting struct sockaddr to and from EPOC32 TSockAddr
|
|
920 |
@internalComponent
|
|
921 |
*/
|
|
922 |
{
|
|
923 |
public:
|
|
924 |
TUSockAddr() : TSockAddr(), iError(0) {}
|
|
925 |
|
|
926 |
TUSockAddr(TAny* addr); // constructor form of Prepare
|
|
927 |
IMPORT_C TUSockAddr(const TAny* addr, TUint len); // constructor form of Set
|
|
928 |
private:
|
|
929 |
void Prepare(TAny* addr);
|
|
930 |
void Set(const TAny* addr, TUint len);
|
|
931 |
public:
|
|
932 |
IMPORT_C void Get(TAny* addr, unsigned long* len);
|
|
933 |
public:
|
|
934 |
TInt iError; // To store error status of TUSockAddr functions, refers errno.h. Notebly not Symbian error codes.
|
|
935 |
};
|
|
936 |
|
|
937 |
|
|
938 |
|
|
939 |
|
|
940 |
|
|
941 |
#endif //SYSIF_H
|
|
942 |
|