1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief POSIX Thread API Support
*
* This defines the POSIX thread API extension.
*/
/*
* COPYRIGHT (c) 1989-2014.
* On-Line Applications Research Corporation (OAR).
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RTEMS_POSIX_THREADSUP_H
#define _RTEMS_POSIX_THREADSUP_H
#include <rtems/score/thread.h>
#include <rtems/score/watchdog.h>
#include <pthread.h>
#include <signal.h>
/**
* @defgroup POSIX_THREAD POSIX Thread API Extension
*
* @ingroup POSIXAPI
*
*/
/**@{**/
#ifdef __cplusplus
extern "C" {
#endif
#if defined(RTEMS_POSIX_API)
/**
* This defines the POSIX API support structure associated with
* each thread in a system with POSIX configured.
*/
typedef struct {
/**
* @brief Control block for the sporadic server scheduling policy.
*/
struct {
/** The thread of this sporadic control block */
Thread_Control *thread;
/**
* @brief This is the timer which controls when the thread executes at high
* and low priority when using the sporadic server scheduling policy.
*/
Watchdog_Control Timer;
/**
* @brief The low priority when using the sporadic server scheduling
* policy.
*/
Priority_Node Low_priority;
/**
* @brief Replenishment period for sporadic server.
*/
struct timespec sched_ss_repl_period;
/**
* @brief Initial budget for sporadic server.
*/
struct timespec sched_ss_init_budget;
/**
* @brief Maximum pending replenishments.
*
* Only used by pthread_getschedparam() and pthread_getattr_np().
*/
int sched_ss_max_repl;
} Sporadic;
/** This is the set of signals which are currently unblocked. */
sigset_t signals_unblocked;
/** This is the set of signals which are currently pending. */
sigset_t signals_pending;
/**
* @brief Signal post-switch action in case signals are pending.
*/
Thread_Action Signal_action;
} POSIX_API_Control;
#endif
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
|
