L4::Exception Class Reference

Exception interface. More...

#include <exception>

Inherits L4::Kobject_0t< Derived, PROTO, S_DEMAND >.

Collaboration diagram for L4::Exception:

Public Member Functions
l4_msgtag_t	exception (L4::Ipc::In_out< l4_exc_regs_t * > regs, L4::Ipc::Rcv_fpage rwin, L4::Ipc::Opt< L4::Ipc::Snd_fpage & > fp)
	Exception call.

Detailed Description

Exception interface.

This class defines the interface for handling exception IPC. When an exception occurs during program execution, for example due to a division by zero, the kernel will synthesise an exception IPC and send it to the thread's exception handler, who can then handle it.

The exception handler is set with the L4::Thread::control interface.

Definition at line 42 of file exception.

Member Function Documentation

exception()

l4_msgtag_t L4::Exception::exception	(	L4::Ipc::In_out< l4_exc_regs_t * >	regs,
		L4::Ipc::Rcv_fpage	rwin,
		L4::Ipc::Opt< L4::Ipc::Snd_fpage & >	fp
	)

Exception call.

Parameters

	regs	Register state of the faulting thread.
	rwin	Receive window in the address space.
[out]	fp	Optional flex-page to resolve the exception.

Returns

Message tag containing error code.

---

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

• l4/sys/exception