ObjFW
|
A class for querying information about the system. More...
#import <ObjFW/OFSystemInfo.h>
Class Methods | |
(size_t) | + pageSize |
Returns the size of a page. More... | |
(size_t) | + numberOfCPUs |
Returns the number of CPUs installed in the system. More... | |
(of_string_encoding_t) | + native8BitEncoding |
Returns the native 8-bit string encoding of the operating system. More... | |
(OFString *) | + userDataPath |
Returns the path where user data for the application can be stored. More... | |
(OFString *) | + userConfigPath |
Returns the path where user configuration for the application can be stored. More... | |
(nullable OFString *) | + CPUVendor |
Returns the vendor of the CPU. More... | |
(bool) | + supportsMMX |
Returns whether the CPU supports MMX. More... | |
(bool) | + supportsSSE |
Returns whether the CPU supports SSE. More... | |
(bool) | + supportsSSE2 |
Returns whether the CPU supports SSE2. More... | |
(bool) | + supportsSSE3 |
Returns whether the CPU supports SSE3. More... | |
(bool) | + supportsSSSE3 |
Returns whether the CPU supports SSSE3. More... | |
(bool) | + supportsSSE41 |
Returns whether the CPU supports SSE4.1. More... | |
(bool) | + supportsSSE42 |
Returns whether the CPU supports SSE4.2. More... | |
(bool) | + supportsAVX |
Returns whether the CPU supports AVX. More... | |
(bool) | + supportsAVX2 |
Returns whether the CPU supports AVX2. 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... | |
(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... | |
(OFString *) | + description |
Returns a description for the class, which is usually the class name. 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... | |
Additional Inherited Members | |
Instance Methods inherited from OFObject | |
(id) | - init |
Initializes an already allocated object. More... | |
(OFString *) | - className |
Returns the name of the object's class. More... | |
(OFString *) | - description |
Returns a description for the object. More... | |
(void *) | - allocMemoryWithSize: |
Allocates memory and stores it in the object's memory pool. More... | |
(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... | |
A class for querying information about the system.
+ (nullable OFString*) CPUVendor |
Returns the vendor of the CPU.
If the vendor could not be determined, nil is returned instead.
+ (of_string_encoding_t) native8BitEncoding |
Returns the native 8-bit string encoding of the operating system.
This is useful to encode strings correctly for passing them to operating system calls.
+ (size_t) numberOfCPUs |
Returns the number of CPUs installed in the system.
A CPU with multiple cores counts as multiple CPUs.
+ (size_t) pageSize |
Returns the size of a page.
+ (bool) supportsAVX |
Returns whether the CPU supports AVX.
+ (bool) supportsAVX2 |
Returns whether the CPU supports AVX2.
+ (bool) supportsMMX |
Returns whether the CPU supports MMX.
+ (bool) supportsSSE |
Returns whether the CPU supports SSE.
+ (bool) supportsSSE2 |
Returns whether the CPU supports SSE2.
+ (bool) supportsSSE3 |
Returns whether the CPU supports SSE3.
+ (bool) supportsSSE41 |
Returns whether the CPU supports SSE4.1.
+ (bool) supportsSSE42 |
Returns whether the CPU supports SSE4.2.
+ (bool) supportsSSSE3 |
Returns whether the CPU supports SSSE3.
+ (OFString*) userConfigPath |
Returns the path where user configuration for the application can be stored.
On Unix systems, this adheres to the XDG Base Directory specification.
On Mac OS X and iOS, it uses the Preferences
directory inside of NSLibraryDirectory
directory.
On Windows, it uses the APPDATA
environment variable.
On Haiku, it uses the B_USER_SETTINGS_DIRECTORY
directory.
+ (OFString*) userDataPath |
Returns the path where user data for the application can be stored.
On Unix systems, this adheres to the XDG Base Directory specification.
On Mac OS X and iOS, it uses the NSApplicationSupportDirectory
directory.
On Windows, it uses the APPDATA
environment variable.
On Haiku, it uses the B_USER_SETTINGS_DIRECTORY
directory.