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const TInt KErrNone=0;
System wide error code 0 : this represents the no-error condition.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrNotFound=(-1);
System wide error code -1 : item not found.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrGeneral=(-2);
System wide error code -2 : an error that has no specific categorisation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCancel=(-3);
System wide error code -3 : indicates an operation that has been cancelled.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrNoMemory=(-4);
System wide error code -4 : an attempt to allocate memory has failed.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrNotSupported=(-5);
System wide error code -5 : some functionality is not supported in a given context.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
There may be many reasons for this; for example, a device may not support some specific behaviour.
const TInt KErrArgument=(-6);
System wide error code -6 : an argument is out of range.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrTotalLossOfPrecision=(-7);
System wide error code -7 : a calculation has lost precision.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
This error arises when converting from an internal 96-bit real representation to a TReal32; the exponent of the internal representation is so small that the 32-bit real cannot contain it.
const TInt KErrBadHandle=(-8);
System wide error code -8 : an invalid handle has been passed.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
A function involving a resource owned by a server or the kernel has specified an invalid handle.
const TInt KErrOverflow=(-9);
System wide error code -9 : indicates an overflow in some operation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
In the context of mathematical or time/date functions, indicates a calculation that has produced arithmetic overflow exceeding the bounds allowed by the representation.
In the context of data transfer, indicates that a buffer has over-filled without being emptied soon enough.
const TInt KErrUnderflow=(-10);
System wide error code -10 : indicates an underflow in some operation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
In the context of mathematical or time/date functions, indicates a calculation that has produced a result smaller than the smallest magnitude of a finite number allowed by the representation.
In the context of data transfer, indicates that a buffer was under-filled when data was required.
const TInt KErrAlreadyExists=(-11);
System wide error code -11 : an object already exists.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
An object of some name/type is to be created, but an object of that name/type already exists.
const TInt KErrPathNotFound=(-12);
System wide error code -12 : in the context of file operations, a path was not found.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrDied=(-13);
System wide error code -13 : a handle refers to a thread that has died.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrInUse=(-14);
System wide error code -14 : a requested resource is already in exclusive use.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrServerTerminated=(-15);
System wide error code -15 : client/server send/receive operation cannot run, because the server has terminated.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrServerBusy=(-16);
System wide error code -16 : a client/server send/receive operation cannot run, because the server is busy handling another request.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCompletion=(-17);
System wide error code -17 : indicates that an operation is complete, successfully or otherwise.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
This code may be used to indicate that some follow on operation can take place. It does not necessarily indicate an error condition.
const TInt KErrNotReady=(-18);
System wide error code -18 : indicates that a device required by an i/o operation is not ready to start operations.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
A common reason for returning this code is because a device has not been initialised, or has no power.
const TInt KErrUnknown=(-19);
System wide error code -19 : a device is of unknown type.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCorrupt=(-20);
System wide error code -20 : indicates that some media is not formatted properly, or links between sections of it have been corrupted.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrAccessDenied=(-21);
System wide error code -21 : access to a file is denied, because the permissions on the file do not allow the requested operation to be performed.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrLocked=(-22);
System wide error code -22 : an operation cannot be performed, because the part of the file to be read or written is locked.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrWrite=(-23);
System wide error code -23 : during a file write operation, not all the data could be written.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrDisMounted=(-24);
System wide error code -24 : a volume which was to be used for a file system operation has been dismounted.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrEof=(-25);
System wide error code -25 : indicates that end of file has been reached.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
Note that RFile::Read(TDes8 &)const is a higher-level interface. When the end of the file is reached, it returns zero bytes in the destination descriptor, and
a KErrNone return value. KErrEof is not used for this purpose; other error conditions are returned only if some other error
condition was indicated on the file.
const TInt KErrDiskFull=(-26);
System wide error code -26 : a write operation cannot complete, because the disk is full.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrBadDriver=(-27);
System wide error code -27 : a driver DLL is of the wrong type.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrBadName=(-28);
System wide error code -28 : a file name or other object name does not conform to the required syntax.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCommsLineFail=(-29);
System wide error code -29 : a communication line has failed.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCommsFrame=(-30);
System wide error code -30 : a frame error has occurred in a communications operation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCommsOverrun=(-31);
System wide error code -31 : an overrun has been detected by a communications driver.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCommsParity=(-32);
System wide error code -32 : a parity error has occurred in communications.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrTimedOut=(-33);
System wide error code -33 : an operation has timed out.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCouldNotConnect=(-34);
System wide error code -34 : a session could not connect.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrCouldNotDisconnect=(-35);
System wide error code -35 : a session could not disconnect.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrDisconnected=(-36);
System wide error code -36 : a function could not be executed because the required session was disconnected.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrBadLibraryEntryPoint=(-37);
System wide error code -37 : a library entry point was not of the required type.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrBadDescriptor=(-38);
System wide error code -38 : a non-descriptor parameter was passed by a client interface, when a server expected a descriptor.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrAbort=(-39);
System wide error code -39 : an operation has been aborted.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrTooBig=(-40);
System wide error code -40 : a number was too big.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrDivideByZero=(-41);
System wide error code -41 : a divide-by-zero operation has been attempted.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrBadPower=(-42);
System wide error code -42 : insufficient power was available to complete an operation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrDirFull=(-43);
System wide error code -43 : an operation on a directory has failed.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrHardwareNotAvailable=(-44);
System wide error code -44 : an operation cannot be performed because the necessary hardware is not available.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrSessionClosed=(-45);
System wide error code -45 : the completion status when an outstanding client/server message is completed because a shared session has been closed.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrPermissionDenied=(-46);
System wide error code -46 : an operation cannot be performed due to a potential security violation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrExtensionNotSupported=(-47);
System wide error code -47 : a requested extension function is not supported by the object concerned.
const TInt KErrCommsBreak=(-48);
System wide error code -48 : a break has occurred in a communications operation.
A system wide error code indicates an error in the environment, or in user input from which a program may recover.
const TInt KErrNoSecureTime=(-49);
System wide error code -49 : a trusted time source could not be found and any time value given in conjunction with this error code should not be trusted as correct.
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