Provide an adapter that transforms various types of signal handlers into the scheme used by the ACE_Reactor. More...

#include <Sig_Adapter.h>

Inheritance diagram for ACE_Sig_Adapter:

Collaboration diagram for ACE_Sig_Adapter:

Public Member Functions
	ACE_Sig_Adapter (ACE_Sig_Action &, int sigkey)

	ACE_Sig_Adapter (ACE_Event_Handler *, int sigkey)

	ACE_Sig_Adapter (ACE_Sig_Handler_Ex, int sigkey=0)

	~ACE_Sig_Adapter (void)

int	sigkey (void)

virtual int	handle_signal (int, siginfo_t , ucontext_t )
	Called by the <Reactor> to dispatch the signal handler.

Public Member Functions inherited from ACE_Event_Handler
virtual	~ACE_Event_Handler (void)
	Destructor is virtual to enable proper cleanup.

virtual ACE_HANDLE	get_handle (void) const
	Get the I/O handle.

virtual void	set_handle (ACE_HANDLE)
	Set the I/O handle.

virtual int	priority (void) const

virtual void	priority (int priority)
	Set the priority of the Event_Handler.

virtual int	handle_input (ACE_HANDLE fd=ACE_INVALID_HANDLE)
	Called when input events occur (e.g., connection or data).

virtual int	handle_output (ACE_HANDLE fd=ACE_INVALID_HANDLE)

virtual int	handle_exception (ACE_HANDLE fd=ACE_INVALID_HANDLE)
	Called when an exceptional events occur (e.g., SIGURG).

virtual int	handle_timeout (const ACE_Time_Value &current_time, const void *act=0)

virtual int	handle_exit (ACE_Process *)
	Called when a process exits.

virtual int	handle_close (ACE_HANDLE handle, ACE_Reactor_Mask close_mask)

virtual int	resume_handler (void)

virtual int	handle_qos (ACE_HANDLE=ACE_INVALID_HANDLE)

virtual int	handle_group_qos (ACE_HANDLE=ACE_INVALID_HANDLE)

virtual void	reactor (ACE_Reactor *reactor)
	Set the event demultiplexors.

virtual ACE_Reactor *	reactor (void) const
	Get the event demultiplexors.

virtual ACE_Reactor_Timer_Interface *	reactor_timer_interface (void) const
	Get only the reactor's timer related interface.

virtual Reference_Count	add_reference (void)
	Increment reference count on the handler.

virtual Reference_Count	remove_reference (void)
	Decrement reference count on the handler.

Reference_Counting_Policy &	reference_counting_policy (void)
	Current Reference_Counting_Policy.

Private Types
enum	{ ACE_HANDLER, SIG_ACTION, C_FUNCTION }
	Is this an external handler or an ACE handler? More...

Private Attributes
int	sigkey_
	Key for this signal handler (used to remove it).

enum ACE_Sig_Adapter:: { ... }	type_

ACE_Sig_Action	sa_
	This is an external handler (ugh).

ACE_Event_Handler *	eh_
	This is an ACE hander.

ACE_Sig_Handler_Ex	sig_func_
	This is a normal C function.

Additional Inherited Members
Public Types inherited from ACE_Event_Handler
enum	{ LO_PRIORITY = 0, HI_PRIORITY = 10, NULL_MASK = 0, READ_MASK = (1 << 0), WRITE_MASK = (1 << 1), EXCEPT_MASK = (1 << 2), ACCEPT_MASK = (1 << 3), CONNECT_MASK = (1 << 4), TIMER_MASK = (1 << 5), QOS_MASK = (1 << 6), GROUP_QOS_MASK = (1 << 7), SIGNAL_MASK = (1 << 8), ALL_EVENTS_MASK, RWE_MASK, DONT_CALL = (1 << 9) }

enum	{ ACE_EVENT_HANDLER_NOT_RESUMED = -1, ACE_REACTOR_RESUMES_HANDLER = 0, ACE_APPLICATION_RESUMES_HANDLER }

typedef long	Reference_Count
	Reference count type.

Static Public Member Functions inherited from ACE_Event_Handler
static ACE_THR_FUNC_RETURN	read_adapter (void *event_handler)

static int	register_stdin_handler (ACE_Event_Handler eh, ACE_Reactor reactor, ACE_Thread_Manager *thr_mgr, int flags=THR_DETACHED)

static int	remove_stdin_handler (ACE_Reactor reactor, ACE_Thread_Manager thr_mgr)
	Performs the inverse of the register_stdin_handler() method.

Protected Types inherited from ACE_Event_Handler
typedef ACE_Atomic_Op < ACE_SYNCH_MUTEX, Reference_Count >	Atomic_Reference_Count
	Typedef for implementation of reference counting.

Protected Member Functions inherited from ACE_Event_Handler
	ACE_Event_Handler (ACE_Reactor *=0, int priority=ACE_Event_Handler::LO_PRIORITY)
	Force ACE_Event_Handler to be an abstract base class.

Protected Attributes inherited from ACE_Event_Handler
Atomic_Reference_Count	reference_count_
	Reference count.

Detailed Description

Provide an adapter that transforms various types of signal handlers into the scheme used by the ACE_Reactor.

Member Enumeration Documentation

anonymous enum

private

Is this an external handler or an ACE handler?

Enumerator:

ACE_HANDLER	We're just wrapping an ACE_Event_Handler.
SIG_ACTION	An ACE_Sig_Action.
C_FUNCTION	A normal C function.

Constructor & Destructor Documentation

ACE_Sig_Adapter::ACE_Sig_Adapter	(	ACE_Sig_Action &	sa,
		int	sigkey
	)

ACE_Sig_Adapter::ACE_Sig_Adapter	(	ACE_Event_Handler *	eh,
		int	sigkey
	)

ACE_Sig_Adapter::ACE_Sig_Adapter	(	ACE_Sig_Handler_Ex	sig_func,
		int	sigkey = `0`
	)

ACE_Sig_Adapter::~ACE_Sig_Adapter ( void )

Member Function Documentation

int ACE_Sig_Adapter::handle_signal	(	int	signum,
		siginfo_t *	siginfo,
		ucontext_t *	ucontext
	)

virtual

Called by the <Reactor> to dispatch the signal handler.

Reimplemented from ACE_Event_Handler.

int ACE_Sig_Adapter::sigkey ( void )

Returns this signal key that's used to remove this from the ACE_Reactor's internal table.

Member Data Documentation

ACE_Event_Handler* ACE_Sig_Adapter::eh_

private

This is an ACE hander.

ACE_Sig_Action ACE_Sig_Adapter::sa_

private

This is an external handler (ugh).

ACE_Sig_Handler_Ex ACE_Sig_Adapter::sig_func_

private

This is a normal C function.

int ACE_Sig_Adapter::sigkey_

private

Key for this signal handler (used to remove it).

enum { ... } ACE_Sig_Adapter::type_

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

Public Member Functions

Private Types

Private Attributes

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation