POSIX Signals Support

Internal Information about POSIX Signals. More...

Collaboration diagram for POSIX Signals Support:

Files
file	psignal.c
	POSIX Signals Manager Initialization.
file	psignalchecksignal.c
	POSIX Signals Check Signal.
file	psignalclearsignals.c
	POSIX Signals Clear Signals.
file	psignalsetprocesssignals.c
	POSIX Signals Set Process Signals.
file	psignalunblockthread.c
	POSIX Signals Thread Unlock.

Macros
#define	_States_Is_interruptible_signal(_states)
#define	SIGACTION_TERMINATE   { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Abnormal_termination_handler} }
#define	SIGACTION_IGNORE   { 0, SIGNAL_ALL_MASK, {SIG_IGN} }
#define	SIGACTION_STOP   { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Stop_handler} }
#define	SIGACTION_CONTINUE   { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Continue_handler} }
#define	SIG_ARRAY_MAX   (SIGRTMAX + 1)
#define	_POSIX_signals_Acquire(lock_context)   _Thread_queue_Acquire( &_POSIX_signals_Wait_queue, lock_context )
#define	_POSIX_signals_Release(lock_context)   _Thread_queue_Release( &_POSIX_signals_Wait_queue, lock_context )
#define	_POSIX_signals_Stop_handler   NULL
#define	_POSIX_signals_Continue_handler   NULL

Functions
void	_POSIX_signals_Manager_Initialization (void)
	POSIX signals manager initialization.
void	_POSIX_signals_Action_handler (Thread_Control *executing, Thread_Action *action, Per_CPU_Control *cpu, ISR_Level level)
bool	_POSIX_signals_Unblock_thread (Thread_Control *the_thread, int signo, siginfo_t *info)
	Unlock POSIX signals thread.
bool	_POSIX_signals_Check_signal (POSIX_API_Control *api, int signo, bool is_global)
	Check POSIX signal.
bool	_POSIX_signals_Clear_signals (POSIX_API_Control *api, int signo, siginfo_t *info, bool is_global, bool check_blocked, bool do_signals_acquire_release)
	Clear POSIX signals.
int	killinfo (pid_t pid, int sig, const union sigval *value)
void	_POSIX_signals_Set_process_signals (sigset_t mask)
	Set POSIX process signals.
void	_POSIX_signals_Clear_process_signals (int signo)
void	_POSIX_signals_Abnormal_termination_handler (int signo)

Variables
sigset_t	_POSIX_signals_Pending
const struct sigaction	_POSIX_signals_Default_vectors [SIG_ARRAY_MAX]
struct sigaction	_POSIX_signals_Vectors [SIG_ARRAY_MAX]
Thread_queue_Control	_POSIX_signals_Wait_queue
Chain_Control	_POSIX_signals_Inactive_siginfo
Chain_Control	_POSIX_signals_Siginfo [SIG_ARRAY_MAX]

Detailed Description

Internal Information about POSIX Signals.

Macro Definition Documentation

_States_Is_interruptible_signal

#define _States_Is_interruptible_signal

(

_states

)

Value:

( ((_states) & \
    (STATES_WAITING_FOR_SIGNAL|STATES_INTERRUPTIBLE_BY_SIGNAL)) == \
      (STATES_WAITING_FOR_SIGNAL|STATES_INTERRUPTIBLE_BY_SIGNAL))