Uses of Interface
java.lang.foreign.FunctionDescriptor

Packages that use FunctionDescriptor

Package	Description
java.lang.foreign	Provides low-level access to memory and functions outside the Java runtime.

Uses of FunctionDescriptor in java.lang.foreign

Methods in java.lang.foreign that return FunctionDescriptor

Modifier and Type	Method	Description
FunctionDescriptor	FunctionDescriptor.appendArgumentLayouts(MemoryLayout... addedLayouts)	Returns a function descriptor with the given argument layouts appended to the argument layouts of this function descriptor.
FunctionDescriptor	FunctionDescriptor.changeReturnLayout(MemoryLayout newReturn)	Returns a function descriptor with the provided return layout.
FunctionDescriptor	FunctionDescriptor.dropReturnLayout()	Returns a new function descriptor, with no return layout.
FunctionDescriptor	FunctionDescriptor.insertArgumentLayouts(int index, MemoryLayout... addedLayouts)	Returns a function descriptor with the given argument layouts inserted at the given index, into the argument layout array of this function descriptor.
static FunctionDescriptor	FunctionDescriptor.of(MemoryLayout resLayout, MemoryLayout... argLayouts)	Creates a function descriptor with the given return and argument layouts.
static FunctionDescriptor	FunctionDescriptor.ofVoid(MemoryLayout... argLayouts)	Creates a function descriptor with the given argument layouts and no return layout.

Methods in java.lang.foreign with parameters of type FunctionDescriptor

Modifier and Type	Method	Description
MethodHandle	Linker.downcallHandle(FunctionDescriptor function, Linker.Option... options)	Restricted. Creates a method handle that is used to call a foreign function with the given signature.
MethodHandle	Linker.downcallHandle(MemorySegment address, FunctionDescriptor function, Linker.Option... options)	Restricted. Creates a method handle that is used to call a foreign function with the given signature and address.
MemorySegment	Linker.upcallStub(MethodHandle target, FunctionDescriptor function, Arena arena, Linker.Option... options)	Restricted. Creates an upcall stub which can be passed to other foreign functions as a function pointer, associated with the given arena.