ACE  6.1.4
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
Public Member Functions | Private Types | Private Attributes | List of all members
ACE_Sig_Adapter Class Reference

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:
Inheritance graph
[legend]
Collaboration diagram for ACE_Sig_Adapter:
Collaboration graph
[legend]

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_Reactorreactor (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_Policyreference_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_Handlereh_
 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: