ObjFW
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OFReadOrWriteFailedException Class Reference

An exception indicating that reading from or writing to an object failed. More...

#import <ObjFW/OFReadOrWriteFailedException.h>

Inheritance diagram for OFReadOrWriteFailedException:
OFException OFObject <OFObject> OFReadFailedException OFWriteFailedException

Instance Methods

(id) - initWithObject:requestedLength:errNo:
 Initializes an already allocated read or write failed exception. More...
 
- Instance Methods inherited from OFException
(OFString *) - description
 Returns a description of the exception. More...
 
(nullable OFArray *) - backtrace
 Returns a backtrace of when the exception was created or nil if no backtrace is available. More...
 
- Instance Methods inherited from OFObject
(id) - init
 Initializes an already allocated object. More...
 
(OFString *) - className
 Returns the name of the object's class. More...
 
(nullable void *) - allocMemoryWithSize:
 Allocates memory and stores it in the object's memory pool. More...
 
(nullable void *) - allocMemoryWithSize:count:
 Allocates memory for the specified number of items and stores it in the object's memory pool. More...
 
(nullable void *) - resizeMemory:size:
 Resizes memory in the object's memory pool to the specified size. More...
 
(nullable void *) - resizeMemory:size:count:
 Resizes memory in the object's memory pool to the specific number of items of the specified size. More...
 
(void) - freeMemory:
 Frees allocated memory and removes it from the object's memory pool. More...
 
(void) - dealloc
 Deallocates the object. More...
 
(void) - performSelector:afterDelay:
 Performs the specified selector after the specified delay. More...
 
(void) - performSelector:withObject:afterDelay:
 Performs the specified selector with the specified object after the specified delay. More...
 
(void) - performSelector:withObject:withObject:afterDelay:
 Performs the specified selector with the specified objects after the specified delay. More...
 
(void) - performSelector:onThread:waitUntilDone:
 Performs the specified selector on the specified thread. More...
 
(void) - performSelector:onThread:withObject:waitUntilDone:
 Performs the specified selector on the specified thread with the specified object. More...
 
(void) - performSelector:onThread:withObject:withObject:waitUntilDone:
 Performs the specified selector on the specified thread with the specified objects. More...
 
(void) - performSelectorOnMainThread:waitUntilDone:
 Performs the specified selector on the main thread. More...
 
(void) - performSelectorOnMainThread:withObject:waitUntilDone:
 Performs the specified selector on the main thread with the specified object. More...
 
(void) - performSelectorOnMainThread:withObject:withObject:waitUntilDone:
 Performs the specified selector on the main thread with the specified objects. More...
 
(void) - performSelector:onThread:afterDelay:
 Performs the specified selector on the specified thread after the specified delay. More...
 
(void) - performSelector:onThread:withObject:afterDelay:
 Performs the specified selector on the specified thread with the specified object after the specified delay. More...
 
(void) - performSelector:onThread:withObject:withObject:afterDelay:
 Performs the specified selector on the specified thread with the specified objects after the specified delay. More...
 
(nullable id) - forwardingTargetForSelector:
 This method is called when resolveClassMethod: or resolveInstanceMethod: returned false. It should return a target to which the message should be forwarded. More...
 
(void) - doesNotRecognizeSelector:
 Handles messages which are not understood by the receiver. More...
 
(OFString *) - stringBySerializing
 Creates a string by serializing the receiver. More...
 
- Instance Methods inherited from <OFObject>
(bool) - isKindOfClass:
 Returns a boolean whether the object of the specified kind. More...
 
(bool) - isMemberOfClass:
 Returns a boolean whether the object is a member of the specified class. More...
 
(bool) - respondsToSelector:
 Returns a boolean whether the object responds to the specified selector. More...
 
(nullable IMP) - methodForSelector:
 Returns the implementation for the specified selector. More...
 
(nullable const char *) - typeEncodingForSelector:
 Returns the type encoding for the specified selector. More...
 
(nullable id) - performSelector:
 Performs the specified selector. More...
 
(nullable id) - performSelector:withObject:
 Performs the specified selector with the specified object. More...
 
(nullable id) - performSelector:withObject:withObject:
 Performs the specified selector with the specified objects. More...
 
(bool) - isEqual:
 Checks two objects for equality. More...
 
(uint32_t) - hash
 Calculates a hash for the object. More...
 
(id) - retain
 Increases the retain count. More...
 
(unsigned int) - retainCount
 Returns the retain count. More...
 
(void) - release
 Decreases the retain count. More...
 
(id) - autorelease
 Adds the object to the topmost OFAutoreleasePool of the thread's autorelease pool stack. More...
 
(id) - self
 Returns the receiver. More...
 
(bool) - isProxy
 Returns whether the object is a proxy object. More...
 
(bool) - allowsWeakReference
 Returns whether the class allows weak references. More...
 
(bool) - retainWeakReference
 Retain a weak reference to this object. More...
 

Class Methods

(instancetype) + exceptionWithObject:requestedLength:errNo:
 Creates a new, autoreleased read or write failed exception. More...
 
- Class Methods inherited from OFException
(instancetype) + exception
 Creates a new, autoreleased exception. More...
 
- Class Methods inherited from OFObject
(void) + load
 A method which is called once when the class is loaded into the runtime. More...
 
(void) + unload
 A method which is called when the class is unloaded from the runtime. More...
 
(void) + initialize
 A method which is called the moment before the first call to the class is being made. More...
 
(id) + alloc
 Allocates memory for an instance of the class and sets up the memory pool for the object. More...
 
(id) + new
 Allocates memory for a new instance and calls init on it. More...
 
(Class) + class
 Returns the class. More...
 
(OFString *) + className
 Returns the name of the class as a string. More...
 
(bool) + isSubclassOfClass:
 Returns a boolean whether the class is a subclass of the specified class. More...
 
(nullable Class) + superclass
 Returns the superclass of the class. More...
 
(bool) + instancesRespondToSelector:
 Checks whether instances of the class respond to a given selector. More...
 
(bool) + conformsToProtocol:
 Checks whether the class conforms to a given protocol. More...
 
(nullable IMP) + instanceMethodForSelector:
 Returns the implementation of the instance method for the specified selector. More...
 
(nullable const char *) + typeEncodingForInstanceSelector:
 Returns the type encoding of the instance method for the specified selector. More...
 
(nullable IMP) + replaceClassMethod:withMethodFromClass:
 Replaces a class method with a class method from another class. More...
 
(nullable IMP) + replaceInstanceMethod:withMethodFromClass:
 Replaces an instance method with an instance method from another class. More...
 
(nullable IMP) + replaceClassMethod:withImplementation:typeEncoding:
 Replaces or adds a class method. More...
 
(nullable IMP) + replaceInstanceMethod:withImplementation:typeEncoding:
 Replaces or adds an instance method. More...
 
(void) + inheritMethodsFromClass:
 Adds all methods from the specified class to the class that is the receiver. More...
 
(BOOL) + resolveClassMethod:
 Try to resolve the specified class method. More...
 
(BOOL) + resolveInstanceMethod:
 Try to resolve the specified instance method. More...
 
(id) + copy
 Returns the class. More...
 

Properties

id object
 
size_t requestedLength
 
int errNo
 

Detailed Description

An exception indicating that reading from or writing to an object failed.

Method Documentation

◆ exceptionWithObject:requestedLength:errNo:()

+ (instancetype) exceptionWithObject: (id)  object
requestedLength: (size_t)  requestedLength
errNo: (int)  errNo 

Creates a new, autoreleased read or write failed exception.

Parameters
objectThe object from which reading or to which writing failed
requestedLengthThe requested length of the data that could not be read / written
errNoThe errno of the error that occurred
Returns
A new, autoreleased read or write failed exception

Reimplemented in OFWriteFailedException.

◆ initWithObject:requestedLength:errNo:()

- (id) initWithObject: (id)  object
requestedLength: (size_t)  requestedLength
errNo: (int)  errNo 

Initializes an already allocated read or write failed exception.

Parameters
objectThe object from which reading or to which writing failed
requestedLengthThe requested length of the data that could not be read / written
errNoThe errno of the error that occurred
Returns
A new open file failed exception

Reimplemented in OFWriteFailedException.

Property Documentation

◆ errNo

- (int) errNo
readnonatomicassign

The errno of the error that occurred.

◆ object

- (id) object
readnonatomicassign

The stream which caused the read or write failed exception.

◆ requestedLength

- (size_t) requestedLength
readnonatomicassign

The requested length of the data that could not be read / written.


The documentation for this class was generated from the following files: