RTEMS: cpukit/include/rtems/posix/psignalimpl.h Source File

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psignalimpl.h
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1
9/*
10 * COPYRIGHT (c) 1989-2013.
11 * On-Line Applications Research Corporation (OAR).
12 *
13 * The license and distribution terms for this file may be
14 * found in the file LICENSE in this distribution or at
15 * http://www.rtems.org/license/LICENSE.
16 */
17
18#ifndef _RTEMS_POSIX_PSIGNALIMPL_H
19#define _RTEMS_POSIX_PSIGNALIMPL_H
20
31#include <rtems/posix/psignal.h>
32#include <rtems/posix/pthread.h>
33#include <rtems/posix/sigset.h>
34#include <rtems/score/isrlock.h>
35#include <rtems/score/percpu.h>
36#include <rtems/score/threadqimpl.h>
37
38#define POSIX_SIGNALS_TQ_OPERATIONS &_Thread_queue_Operations_FIFO
39
40#define _States_Is_interruptible_signal( _states ) \
41 ( ((_states) & \
42 (STATES_WAITING_FOR_SIGNAL|STATES_INTERRUPTIBLE_BY_SIGNAL)) == \
43 (STATES_WAITING_FOR_SIGNAL|STATES_INTERRUPTIBLE_BY_SIGNAL))
44
45#define SIGACTION_TERMINATE \
46 { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Abnormal_termination_handler} }
47#define SIGACTION_IGNORE \
48 { 0, SIGNAL_ALL_MASK, {SIG_IGN} }
49#define SIGACTION_STOP \
50 { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Stop_handler} }
51#define SIGACTION_CONTINUE \
52 { 0, SIGNAL_ALL_MASK, {_POSIX_signals_Continue_handler} }
53
54#define SIG_ARRAY_MAX (SIGRTMAX + 1)
55
56/*
57 * Variables
58 */
59
60extern sigset_t _POSIX_signals_Pending;
61
62extern const struct sigaction _POSIX_signals_Default_vectors[ SIG_ARRAY_MAX ];
63
64extern struct sigaction _POSIX_signals_Vectors[ SIG_ARRAY_MAX ];
65
66extern Thread_queue_Control _POSIX_signals_Wait_queue;
67
68extern Chain_Control _POSIX_signals_Inactive_siginfo;
69
70extern Chain_Control _POSIX_signals_Siginfo[ SIG_ARRAY_MAX ];
71
72/*
73 * Internal routines
74 */
75
76 RTEMS_INLINE_ROUTINE void _POSIX_signals_Acquire(
77 Thread_queue_Context *queue_context
78)
79{
80 _Thread_queue_Acquire( &_POSIX_signals_Wait_queue, queue_context );
81}
82
83 RTEMS_INLINE_ROUTINE void _POSIX_signals_Release(
84 Thread_queue_Context *queue_context
85)
86{
87 _Thread_queue_Release( &_POSIX_signals_Wait_queue, queue_context );
88}
89
93bool _POSIX_signals_Unblock_thread(
94 Thread_Control *the_thread,
95 int signo,
96 siginfo_t *info
97);
98
102bool _POSIX_signals_Clear_signals(
103 POSIX_API_Control *api,
104 int signo,
105 siginfo_t *info,
106 bool is_global,
107 bool check_blocked,
108 bool do_signals_acquire_release
109);
110
111int _POSIX_signals_Send(
112 pid_t pid,
113 int sig,
114 const union sigval *value
115);
116
120void _POSIX_signals_Set_process_signals(
121 sigset_t mask
122);
123
124void _POSIX_signals_Clear_process_signals(
125 int signo
126);
127
128/*
129 * Default signal handlers
130 */
131
132#define _POSIX_signals_Stop_handler NULL
133#define _POSIX_signals_Continue_handler NULL
134
135void _POSIX_signals_Abnormal_termination_handler( int signo );
136
139#endif
140/* end of file */
_POSIX_signals_Unblock_thread
bool _POSIX_signals_Unblock_thread(Thread_Control *the_thread, int signo, siginfo_t *info)
Unlock POSIX signals thread.
Definition: psignalunblockthread.c:183
_POSIX_signals_Set_process_signals
void _POSIX_signals_Set_process_signals(sigset_t mask)
Set POSIX process signals.
Definition: psignalsetprocesssignals.c:34
_POSIX_signals_Clear_signals
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.
Definition: psignalclearsignals.c:39
RTEMS_INLINE_ROUTINE
#define RTEMS_INLINE_ROUTINE
Definition: basedefs.h:66
_Thread_queue_Release
RTEMS_INLINE_ROUTINE void _Thread_queue_Release(Thread_queue_Control *the_thread_queue, Thread_queue_Context *queue_context)
Releases the thread queue control and enables interrupts.
Definition: threadqimpl.h:787
_Thread_queue_Acquire
RTEMS_INLINE_ROUTINE void _Thread_queue_Acquire(Thread_queue_Control *the_thread_queue, Thread_queue_Context *queue_context)
Acquires the thread queue control in a critical section.
Definition: threadqimpl.h:704
isrlock.h
ISR Locks.
psignal.h
Internal Information about POSIX Signals.
pthread.h
POSIX Threads Private Support.
percpu.h
sigset.h
POSIX Signal Sets Management Helper.
Thread_queue_Context
Thread queue context for the thread queue methods.
Definition: threadq.h:198
Thread_queue_Control
Definition: threadq.h:553
_Thread_Control
Definition: thread.h:732
threadqimpl.h
Constants and Structures Associated with the Manipulation of Objects.
Chain_Control
Definition: chain.h:86