| const TInt | KErrNone |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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() 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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
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 |
System wide error code -47 : a requested extension function is not supported by the object concerned.
| const TInt | KErrCommsBreak |
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 |
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.
| const TInt | KErrCorruptSurrogateFound |
System wide error code -50 : a corrupt surrogate is found when processing a descriptor or a text buffer.