A class for querying information about the system. More...
#include <ObjFW/OFSystemInfo.h>
Inheritance diagram for OFSystemInfo:
Class Methods | |
| (size_t) | + pageSize |
| Returns the size of a page. | |
| (size_t) | + numberOfCPUs |
| Returns the number of CPUs installed in the system. | |
| (OFString *) | + ObjFWVersion |
| The version of ObjFW. | |
| (unsigned short) | + ObjFWVersionMajor |
| The major version of ObjFW. | |
| (unsigned short) | + ObjFWVersionMinor |
| The minor version of ObjFW. | |
| (nullable OFString *) | + operatingSystemName |
| Returns the name of the operating system the application is running on. | |
| (nullable OFString *) | + operatingSystemVersion |
| Returns the version of the operating system the application is running on. | |
| (nullable OFString *) | + wineVersion |
Returns the version of Wine the application is running on, or nil if not running on Wine (e.g. on Windows natively). | |
| (nullable OFIRI *) | + userDataIRI |
| Returns the path where user data for the application can be stored. | |
| (nullable OFIRI *) | + userConfigIRI |
| Returns the path where user configuration for the application can be stored. | |
| (nullable OFIRI *) | + temporaryDirectoryIRI |
| Returns a path where temporary files for can be stored. | |
| (nullable OFString *) | + CPUVendor |
| Returns the vendor of the CPU. | |
| (nullable OFString *) | + CPUModel |
| Returns the model of the CPU. | |
| (bool) | + supportsMMX |
| Returns whether the CPU supports MMX. | |
| (bool) | + supports3DNow |
| Returns whether the CPU supports 3DNow!. | |
| (bool) | + supportsEnhanced3DNow |
| Returns whether the CPU supports enhanced 3DNow!. | |
| (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) | + supportsSSSE3 |
| Returns whether the CPU supports SSSE3. | |
| (bool) | + supportsSSE41 |
| Returns whether the CPU supports SSE4.1. | |
| (bool) | + supportsSSE42 |
| Returns whether the CPU supports SSE4.2. | |
| (bool) | + supportsAVX |
| Returns whether the CPU and OS support AVX. | |
| (bool) | + supportsAVX2 |
| Returns whether the CPU and OS support AVX2. | |
| (bool) | + supportsAESNI |
| Returns whether the CPU supports AES-NI. | |
| (bool) | + supportsSHAExtensions |
| Returns whether the CPU supports Intel SHA Extensions. | |
| (bool) | + supportsFusedMultiplyAdd |
| Returns whether the CPU supports fused multiply-add. | |
| (bool) | + supportsF16C |
| Returns whether the CPU supports F16C. | |
| (bool) | + supportsAVX512Foundation |
| Returns whether the CPU and OS support AVX-512 Foundation. | |
| (bool) | + supportsAVX512ConflictDetectionInstructions |
| Returns whether the CPU and OS support AVX-512 Conflict Detection Instructions. | |
| (bool) | + supportsAVX512ExponentialAndReciprocalInstructions |
| Returns whether the CPU and OS support AVX-512 Exponential and Reciprocal Instructions. | |
| (bool) | + supportsAVX512PrefetchInstructions |
| Returns whether the CPU and OS support AVX-512 Prefetch Instructions. | |
| (bool) | + supportsAVX512VectorLengthExtensions |
| Returns whether the CPU and OS support AVX-512 Vector Length Extensions. | |
| (bool) | + supportsAVX512DoublewordAndQuadwordInstructions |
| Returns whether the CPU and OS support AVX-512 Doubleword and Quadword Instructions. | |
| (bool) | + supportsAVX512ByteAndWordInstructions |
| Returns whether the CPU and OS support AVX-512 Byte and Word Instructions. | |
| (bool) | + supportsAVX512IntegerFusedMultiplyAdd |
| Returns whether the CPU and OS support AVX-512 Integer Fused Multiply-Add. | |
| (bool) | + supportsAVX512VectorByteManipulationInstructions |
| Returns whether the CPU and OS support AVX-512 Vector Byte Manipulation Instructions. | |
| (bool) | + supportsAVX512VectorPopulationCountInstruction |
| Returns whether the CPU and OS support the AVX-512 Vector Population Count Instruction. | |
| (bool) | + supportsAVX512VectorNeuralNetworkInstructions |
| Returns whether the CPU and OS support AVX-512 Vector Neural Network Instructions. | |
| (bool) | + supportsAVX512VectorByteManipulationInstructions2 |
| Returns whether the CPU and OS support AVX-512 Vector Byte Manipulation Instructions 2. | |
| (bool) | + supportsAVX512BitAlgorithms |
| Returns whether the CPU and OS support AVX-512 Bit Algorithms. | |
| (bool) | + supportsAVX512Float16Instructions |
| Returns whether the CPU and OS support AVX-512 Float16 Instructions. | |
| (bool) | + supportsAVX512BFloat16Instructions |
| Returns whether the CPU and OS support AVX-512 BFloat16 Instructions. | |
| (bool) | + supportsAltiVec |
| Returns whether the CPU and OS support AltiVec. | |
| (bool) | + isWindowsNT |
| Returns whether the application is running on Windows NT. | |
| (nullable OFDictionary *) | + networkInterfaces |
| Returns the available (though not necessarily configured) network interfaces. | |
 Class Methods inherited from OFObject | |
| (void) | + load |
| A method which is called once when the class is loaded into the runtime. | |
| (void) | + unload |
| A method which is called when the class is unloaded from the runtime. | |
| (void) | + initialize |
| A method which is called the moment before the first call to the class is being made. | |
| (instancetype) | + alloc |
| Allocates memory for an instance of the class and sets up the memory pool for the object. | |
| (Class) | + class |
| Returns the class. | |
| (OFString *) | + className |
| Returns the name of the class as a string. | |
| (bool) | + isSubclassOfClass: |
| Returns a boolean whether the class is a subclass of the specified class. | |
| (nullable Class) | + superclass |
| Returns the superclass of the class. | |
| (bool) | + instancesRespondToSelector: |
| Checks whether instances of the class respond to a given selector. | |
| (bool) | + conformsToProtocol: |
| Checks whether the class conforms to a given protocol. | |
| (nullable IMP) | + instanceMethodForSelector: |
| Returns the implementation of the instance method for the specified selector. | |
| (nullable OFMethodSignature *) | + instanceMethodSignatureForSelector: |
| Returns the method signature of the instance method for the specified selector. | |
| (OFString *) | + description |
| Returns a description for the class, which is usually the class name. | |
| (nullable IMP) | + replaceClassMethod:withMethodFromClass: |
| Replaces a class method with a class method from another class. | |
| (nullable IMP) | + replaceInstanceMethod:withMethodFromClass: |
| Replaces an instance method with an instance method from another class. | |
| (void) | + inheritMethodsFromClass: |
| Adds all methods from the specified class to the class that is the receiver. | |
| (bool) | + resolveClassMethod: |
| Try to resolve the specified class method. | |
| (bool) | + resolveInstanceMethod: |
| Try to resolve the specified instance method. | |
| (id) | + copy |
| Returns the class. | |
Additional Inherited Members | |
| Instance Methods inherited from OFObject | |
| (instancetype) | - init |
| Initializes an already allocated object. | |
| (nullable OFMethodSignature *) | - methodSignatureForSelector: |
| Returns the method signature for the specified selector. | |
| (void) | - dealloc |
| Deallocates the object. | |
| (void) | - performSelector:afterDelay: |
| Performs the specified selector after the specified delay. | |
| (void) | - performSelector:withObject:afterDelay: |
| Performs the specified selector with the specified object after the specified delay. | |
| (void) | - performSelector:withObject:withObject:afterDelay: |
| Performs the specified selector with the specified objects after the specified delay. | |
| (void) | - performSelector:withObject:withObject:withObject:afterDelay: |
| Performs the specified selector with the specified objects after the specified delay. | |
| (void) | - performSelector:withObject:withObject:withObject:withObject:afterDelay: |
| Performs the specified selector with the specified objects after the specified delay. | |
| (void) | - performSelector:onThread:waitUntilDone: |
| Performs the specified selector on the specified thread. | |
| (void) | - performSelector:onThread:withObject:waitUntilDone: |
| Performs the specified selector on the specified thread with the specified object. | |
| (void) | - performSelector:onThread:withObject:withObject:waitUntilDone: |
| Performs the specified selector on the specified thread with the specified objects. | |
| (void) | - performSelector:onThread:withObject:withObject:withObject:waitUntilDone: |
| Performs the specified selector on the specified thread with the specified objects. | |
| (void) | - performSelector:onThread:withObject:withObject:withObject:withObject:waitUntilDone: |
| Performs the specified selector on the specified thread with the specified objects. | |
| (void) | - performSelectorOnMainThread:waitUntilDone: |
| Performs the specified selector on the main thread. | |
| (void) | - performSelectorOnMainThread:withObject:waitUntilDone: |
| Performs the specified selector on the main thread with the specified object. | |
| (void) | - performSelectorOnMainThread:withObject:withObject:waitUntilDone: |
| Performs the specified selector on the main thread with the specified objects. | |
| (void) | - performSelectorOnMainThread:withObject:withObject:withObject:waitUntilDone: |
| Performs the specified selector on the main thread with the specified objects. | |
| (void) | - performSelectorOnMainThread:withObject:withObject:withObject:withObject:waitUntilDone: |
| Performs the specified selector on the main thread with the specified objects. | |
| (void) | - performSelector:onThread:afterDelay: |
| Performs the specified selector on the specified thread after the specified delay. | |
| (void) | - performSelector:onThread:withObject:afterDelay: |
| Performs the specified selector on the specified thread with the specified object after the specified delay. | |
| (void) | - performSelector:onThread:withObject:withObject:afterDelay: |
| Performs the specified selector on the specified thread with the specified objects after the specified delay. | |
| (void) | - performSelector:onThread:withObject:withObject:withObject:afterDelay: |
| Performs the specified selector on the specified thread with the specified objects after the specified delay. | |
| (void) | - performSelector:onThread:withObject:withObject:withObject:withObject:afterDelay: |
| Performs the specified selector on the specified thread with the specified objects after the specified delay. | |
| (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. | |
| (void) | - doesNotRecognizeSelector: |
| Handles messages which are not understood by the receiver. | |
| Instance Methods inherited from <OFObject> | |
| (unsigned long) | - hash |
| Returns a hash for the object. | |
| (unsigned int) | - retainCount |
| Returns the retain count. | |
| (bool) | - isProxy |
| Returns whether the object is a proxy object. | |
| (bool) | - isKindOfClass: |
| Returns a boolean whether the object is of the specified kind. | |
| (bool) | - isMemberOfClass: |
| Returns a boolean whether the object is a member of the specified class. | |
| (bool) | - respondsToSelector: |
| Returns a boolean whether the object responds to the specified selector. | |
| (nullable IMP) | - methodForSelector: |
| Returns the implementation for the specified selector. | |
| (nullable id) | - performSelector: |
| Performs the specified selector. | |
| (nullable id) | - performSelector:withObject: |
| Performs the specified selector with the specified object. | |
| (nullable id) | - performSelector:withObject:withObject: |
| Performs the specified selector with the specified objects. | |
| (nullable id) | - performSelector:withObject:withObject:withObject: |
| Performs the specified selector with the specified objects. | |
| (nullable id) | - performSelector:withObject:withObject:withObject:withObject: |
| Performs the specified selector with the specified objects. | |
| (bool) | - isEqual: |
| Checks two objects for equality. | |
| (instancetype) | - retain |
| Increases the retain count. | |
| (void) | - release |
| Decreases the retain count. | |
| (instancetype) | - autorelease |
| Adds the object to the topmost autorelease pool of the thread's autorelease pool stack. | |
| (instancetype) | - self |
| Returns the receiver. | |
| (bool) | - allowsWeakReference |
| Returns whether the object allows a weak reference. | |
| (bool) | - retainWeakReference |
| Retain a weak reference to this object. | |
| Properties inherited from OFObject | |
| OFString * | className |
| The name of the object's class. | |
| OFString * | description |
| A description for the object. | |
Detailed Description
A class for querying information about the system.
Method Documentation
◆ CPUModel
| + (OFString *) CPUModel |
Returns the model of the CPU.
If the model could not be determined, nil is returned instead.
- Returns
- The model of the CPU
◆ CPUVendor
| + (OFString *) CPUVendor |
Returns the vendor of the CPU.
If the vendor could not be determined, nil is returned instead.
- Returns
- The vendor of the CPU
◆ isWindowsNT
| + (bool) isWindowsNT |
Returns whether the application is running on Windows NT.
- Note
- This method is only available on Windows.
- Returns
- Whether the application is running on Windows NT
◆ networkInterfaces
| + (nullable OFDictionary *) networkInterfaces |
Returns the available (though not necessarily configured) network interfaces.
- Returns
- The available network interfaces
Provided by category OFSystemInfo(NetworkInterfaces).
◆ numberOfCPUs
| + (size_t) numberOfCPUs |
Returns the number of CPUs installed in the system.
A CPU with multiple cores counts as multiple CPUs.
If the system has no CPU, the return value is undefined.
- Returns
- The number of CPUs installed in the system
◆ ObjFWVersion
| + (OFString *) ObjFWVersion |
The version of ObjFW.
- Returns
- The version of ObjFW
◆ ObjFWVersionMajor
| + (unsigned short) ObjFWVersionMajor |
The major version of ObjFW.
- Returns
- The major version of ObjFW
◆ ObjFWVersionMinor
| + (unsigned short) ObjFWVersionMinor |
The minor version of ObjFW.
- Returns
- The minor version of ObjFW
◆ operatingSystemName
| + (OFString *) operatingSystemName |
Returns the name of the operating system the application is running on.
- Returns
- The name of the operating system the application is running on
◆ operatingSystemVersion
| + (OFString *) operatingSystemVersion |
Returns the version of the operating system the application is running on.
- Returns
- The version of the operating system the application is running on
◆ pageSize
| + (size_t) pageSize |
Returns the size of a page.
- Returns
- The size of a page
◆ supports3DNow
| + (bool) supports3DNow |
Returns whether the CPU supports 3DNow!.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports 3DNow!
◆ supportsAESNI
| + (bool) supportsAESNI |
Returns whether the CPU supports AES-NI.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports AES-NI
◆ supportsAltiVec
| + (bool) supportsAltiVec |
Returns whether the CPU and OS support AltiVec.
- Note
- This method is only available on PowerPC and PowerPC 64.
- Returns
- Whether the CPU and OS support AltiVec
◆ supportsAVX
| + (bool) supportsAVX |
Returns whether the CPU and OS support AVX.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX
◆ supportsAVX2
| + (bool) supportsAVX2 |
Returns whether the CPU and OS support AVX2.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX2
◆ supportsAVX512BFloat16Instructions
| + (bool) supportsAVX512BFloat16Instructions |
Returns whether the CPU and OS support AVX-512 BFloat16 Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 BFloat16 Instructions
◆ supportsAVX512BitAlgorithms
| + (bool) supportsAVX512BitAlgorithms |
Returns whether the CPU and OS support AVX-512 Bit Algorithms.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Bit Algorithms
◆ supportsAVX512ByteAndWordInstructions
| + (bool) supportsAVX512ByteAndWordInstructions |
Returns whether the CPU and OS support AVX-512 Byte and Word Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Byte and Word Instructions
◆ supportsAVX512ConflictDetectionInstructions
| + (bool) supportsAVX512ConflictDetectionInstructions |
Returns whether the CPU and OS support AVX-512 Conflict Detection Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Conflict Detection Instructions
◆ supportsAVX512DoublewordAndQuadwordInstructions
| + (bool) supportsAVX512DoublewordAndQuadwordInstructions |
Returns whether the CPU and OS support AVX-512 Doubleword and Quadword Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Doubleword and Quadword Instructions
◆ supportsAVX512ExponentialAndReciprocalInstructions
| + (bool) supportsAVX512ExponentialAndReciprocalInstructions |
Returns whether the CPU and OS support AVX-512 Exponential and Reciprocal Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Exponential and Reciprocal Instructions
◆ supportsAVX512Float16Instructions
| + (bool) supportsAVX512Float16Instructions |
Returns whether the CPU and OS support AVX-512 Float16 Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Float16 Instructions
◆ supportsAVX512Foundation
| + (bool) supportsAVX512Foundation |
Returns whether the CPU and OS support AVX-512 Foundation.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Foundation
◆ supportsAVX512IntegerFusedMultiplyAdd
| + (bool) supportsAVX512IntegerFusedMultiplyAdd |
Returns whether the CPU and OS support AVX-512 Integer Fused Multiply-Add.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Integer Fused Multiply-Add
◆ supportsAVX512PrefetchInstructions
| + (bool) supportsAVX512PrefetchInstructions |
Returns whether the CPU and OS support AVX-512 Prefetch Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Prefetch Instructions
◆ supportsAVX512VectorByteManipulationInstructions
| + (bool) supportsAVX512VectorByteManipulationInstructions |
Returns whether the CPU and OS support AVX-512 Vector Byte Manipulation Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Vector Byte Manipulation Instructions
◆ supportsAVX512VectorByteManipulationInstructions2
| + (bool) supportsAVX512VectorByteManipulationInstructions2 |
Returns whether the CPU and OS support AVX-512 Vector Byte Manipulation Instructions 2.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Vector Byte Manipulation Instructions 2
◆ supportsAVX512VectorLengthExtensions
| + (bool) supportsAVX512VectorLengthExtensions |
Returns whether the CPU and OS support AVX-512 Vector Length Extensions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Vector Length Extensions
◆ supportsAVX512VectorNeuralNetworkInstructions
| + (bool) supportsAVX512VectorNeuralNetworkInstructions |
Returns whether the CPU and OS support AVX-512 Vector Neural Network Instructions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 Vector Neural Network Instructions
◆ supportsAVX512VectorPopulationCountInstruction
| + (bool) supportsAVX512VectorPopulationCountInstruction |
Returns whether the CPU and OS support the AVX-512 Vector Population Count Instruction.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU and OS support AVX-512 the Vector Population Count Instruction
◆ supportsEnhanced3DNow
| + (bool) supportsEnhanced3DNow |
Returns whether the CPU supports enhanced 3DNow!.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports enhanced 3DNow!
◆ supportsF16C
| + (bool) supportsF16C |
Returns whether the CPU supports F16C.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports F16C
◆ supportsFusedMultiplyAdd
| + (bool) supportsFusedMultiplyAdd |
Returns whether the CPU supports fused multiply-add.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports fused multiply-add
◆ supportsMMX
| + (bool) supportsMMX |
Returns whether the CPU supports MMX.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports MMX
◆ supportsSHAExtensions
| + (bool) supportsSHAExtensions |
Returns whether the CPU supports Intel SHA Extensions.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports Intel SHA Extensions
◆ supportsSSE
| + (bool) supportsSSE |
Returns whether the CPU supports SSE.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports SSE
◆ supportsSSE2
| + (bool) supportsSSE2 |
Returns whether the CPU supports SSE2.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports SSE2
◆ supportsSSE3
| + (bool) supportsSSE3 |
Returns whether the CPU supports SSE3.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports SSE3
◆ supportsSSE41
| + (bool) supportsSSE41 |
Returns whether the CPU supports SSE4.1.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports SSE4.1
◆ supportsSSE42
| + (bool) supportsSSE42 |
Returns whether the CPU supports SSE4.2.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports SSE4.2
◆ supportsSSSE3
| + (bool) supportsSSSE3 |
Returns whether the CPU supports SSSE3.
- Note
- This method is only available on AMD64 and x86.
- Returns
- Whether the CPU supports SSSE3
◆ temporaryDirectoryIRI
| + (OFIRI *) temporaryDirectoryIRI |
Returns a path where temporary files for can be stored.
If possible, returns a temporary directory for the user, otherwise returns a global temporary directory.
On UNIX systems, this adheres to the XDG Base Directory specification and returns /tmp if XDG_RUNTIME_DIR is not set.
On macOS and iOS, this uses _CS_DARWIN_USER_TEMP_DIR, falling back to /tmp if this fails.
On Windows, it uses GetTempPath.
On Haiku, it uses the B_SYSTEM_TEMP_DIRECTORY directory. On AmigaOS and MorphOS, it returns T:.
- Returns
- A path where temporary files can be stored
◆ userConfigIRI
| + (OFIRI *) userConfigIRI |
Returns the path where user configuration for the application can be stored.
On UNIX systems, this adheres to the XDG Base Directory specification.
On macOS 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. On AmigaOS and MorphOS, it returns PROGDIR:.
- Returns
- The path where user configuration for the application can be stored
◆ userDataIRI
| + (OFIRI *) userDataIRI |
Returns the path where user data for the application can be stored.
On UNIX systems, this adheres to the XDG Base Directory specification.
On macOS 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.
On AmigaOS and MorphOS, it returns PROGDIR:.
- Returns
- The path where user data for the application can be stored
◆ wineVersion
| + (nullable OFString *) wineVersion |
Returns the version of Wine the application is running on, or nil if not running on Wine (e.g. on Windows natively).
- Note
- This is only available on Windows.
- Returns
- The version of Wine the application is running on, or
nilif not running on Wine (e.g. on Windows natively)
The documentation for this class was generated from the following files:
- src/OFSystemInfo.h
- src/OFSystemInfo.m
