[PATCH v2 40/44] config: Add <rtems/confdefs/threads.h>
Sebastian Huber
sebastian.huber at embedded-brains.de
Fri Feb 21 10:52:52 UTC 2020
Remove all comments and copyrightable content from the moved content.
Use BSD-2-Clause license for new file.
Update #3053.
Update #3875.
---
cpukit/headers.am | 1 +
cpukit/include/rtems/confdefs.h | 192 +-------------------------
cpukit/include/rtems/confdefs/threads.h | 234 ++++++++++++++++++++++++++++++++
cpukit/posix/src/pthread.c | 2 +
4 files changed, 238 insertions(+), 191 deletions(-)
create mode 100644 cpukit/include/rtems/confdefs/threads.h
diff --git a/cpukit/headers.am b/cpukit/headers.am
index ba6222fd4f..2a7e5a8116 100644
--- a/cpukit/headers.am
+++ b/cpukit/headers.am
@@ -199,6 +199,7 @@ include_rtems_confdefs_HEADERS += include/rtems/confdefs/newlib.h
include_rtems_confdefs_HEADERS += include/rtems/confdefs/obsolete.h
include_rtems_confdefs_HEADERS += include/rtems/confdefs/percpu.h
include_rtems_confdefs_HEADERS += include/rtems/confdefs/scheduler.h
+include_rtems_confdefs_HEADERS += include/rtems/confdefs/threads.h
include_rtems_confdefs_HEADERS += include/rtems/confdefs/unlimited.h
include_rtems_debugger_HEADERS += include/rtems/debugger/rtems-debugger-bsp.h
include_rtems_debugger_HEADERS += include/rtems/debugger/rtems-debugger-remote.h
diff --git a/cpukit/include/rtems/confdefs.h b/cpukit/include/rtems/confdefs.h
index c48a2aae81..82b6f11774 100644
--- a/cpukit/include/rtems/confdefs.h
+++ b/cpukit/include/rtems/confdefs.h
@@ -37,7 +37,6 @@
#include <rtems/rtems/ratemondata.h>
#include <rtems/rtems/regiondata.h>
#include <rtems/rtems/semdata.h>
-#include <rtems/rtems/tasksdata.h>
#include <rtems/rtems/timerdata.h>
#include <rtems/posix/key.h>
#include <rtems/posix/mqueue.h>
@@ -61,7 +60,7 @@
#include <rtems/confdefs/newlib.h>
#include <rtems/confdefs/percpu.h>
#include <rtems/confdefs/scheduler.h>
-#include <rtems/confdefs/unlimited.h>
+#include <rtems/confdefs/threads.h>
#include <limits.h>
@@ -157,18 +156,6 @@ extern "C" {
*/
/**@{*/
-/** This configures the maximum number of Classic API tasks. */
-#ifndef CONFIGURE_MAXIMUM_TASKS
- #define CONFIGURE_MAXIMUM_TASKS 0
-#endif
-
-/*
- * This is calculated to account for the maximum number of Classic API
- * tasks used by the application and configured RTEMS capabilities.
- */
-#define _CONFIGURE_TASKS \
- (CONFIGURE_MAXIMUM_TASKS + _CONFIGURE_LIBBLOCK_TASKS)
-
#ifndef CONFIGURE_MAXIMUM_TIMERS
/** This specifies the maximum number of Classic API timers. */
#define CONFIGURE_MAXIMUM_TIMERS 0
@@ -257,14 +244,6 @@ extern "C" {
(CONFIGURE_MAXIMUM_POSIX_THREADS + CONFIGURE_MAXIMUM_TASKS))
#endif
-/**
- * This configuration parameter specifies the maximum number of
- * POSIX API threads.
- */
-#ifndef CONFIGURE_MAXIMUM_POSIX_THREADS
- #define CONFIGURE_MAXIMUM_POSIX_THREADS 0
-#endif
-
/*
* Account for the object control structures plus the name
* of the object to be duplicated.
@@ -478,129 +457,7 @@ extern "C" {
_CONFIGURE_HEAP_HANDLER_OVERHEAD \
)
-#ifndef CONFIGURE_MAXIMUM_THREAD_NAME_SIZE
- #define CONFIGURE_MAXIMUM_THREAD_NAME_SIZE THREAD_DEFAULT_MAXIMUM_NAME_SIZE
-#endif
-
#ifdef CONFIGURE_INIT
- typedef union {
- Scheduler_Node Base;
- #ifdef CONFIGURE_SCHEDULER_CBS
- Scheduler_CBS_Node CBS;
- #endif
- #ifdef CONFIGURE_SCHEDULER_EDF
- Scheduler_EDF_Node EDF;
- #endif
- #ifdef CONFIGURE_SCHEDULER_EDF_SMP
- Scheduler_EDF_SMP_Node EDF_SMP;
- #endif
- #ifdef CONFIGURE_SCHEDULER_PRIORITY
- Scheduler_priority_Node Priority;
- #endif
- #ifdef CONFIGURE_SCHEDULER_SIMPLE_SMP
- Scheduler_SMP_Node Simple_SMP;
- #endif
- #ifdef CONFIGURE_SCHEDULER_PRIORITY_SMP
- Scheduler_priority_SMP_Node Priority_SMP;
- #endif
- #ifdef CONFIGURE_SCHEDULER_PRIORITY_AFFINITY_SMP
- Scheduler_priority_affinity_SMP_Node Priority_affinity_SMP;
- #endif
- #ifdef CONFIGURE_SCHEDULER_STRONG_APA
- Scheduler_strong_APA_Node Strong_APA;
- #endif
- #ifdef CONFIGURE_SCHEDULER_USER_PER_THREAD
- CONFIGURE_SCHEDULER_USER_PER_THREAD User;
- #endif
- } Configuration_Scheduler_node;
-
- #ifdef RTEMS_SMP
- const size_t _Scheduler_Node_size = sizeof( Configuration_Scheduler_node );
- #endif
-
- const size_t _Thread_Maximum_name_size = CONFIGURE_MAXIMUM_THREAD_NAME_SIZE;
-
- struct Thread_Configured_control {
- Thread_Control Control;
- #if CONFIGURE_MAXIMUM_USER_EXTENSIONS > 0
- void *extensions[ CONFIGURE_MAXIMUM_USER_EXTENSIONS + 1 ];
- #endif
- Configuration_Scheduler_node Scheduler_nodes[ _CONFIGURE_SCHEDULER_COUNT ];
- RTEMS_API_Control API_RTEMS;
- #ifdef RTEMS_POSIX_API
- POSIX_API_Control API_POSIX;
- #endif
- #if CONFIGURE_MAXIMUM_THREAD_NAME_SIZE > 1
- char name[ CONFIGURE_MAXIMUM_THREAD_NAME_SIZE ];
- #endif
- #ifdef _CONFIGURE_ENABLE_NEWLIB_REENTRANCY
- struct _reent Newlib;
- #else
- struct { /* Empty */ } Newlib;
- #endif
- };
-
- const Thread_Control_add_on _Thread_Control_add_ons[] = {
- {
- offsetof( Thread_Configured_control, Control.Scheduler.nodes ),
- offsetof( Thread_Configured_control, Scheduler_nodes )
- }, {
- offsetof(
- Thread_Configured_control,
- Control.API_Extensions[ THREAD_API_RTEMS ]
- ),
- offsetof( Thread_Configured_control, API_RTEMS )
- }, {
- offsetof(
- Thread_Configured_control,
- Control.libc_reent
- ),
- offsetof( Thread_Configured_control, Newlib )
- }
- #if CONFIGURE_MAXIMUM_THREAD_NAME_SIZE > 1
- , {
- offsetof(
- Thread_Configured_control,
- Control.Join_queue.Queue.name
- ),
- offsetof( Thread_Configured_control, name )
- }
- #endif
- #ifdef RTEMS_POSIX_API
- , {
- offsetof(
- Thread_Configured_control,
- Control.API_Extensions[ THREAD_API_POSIX ]
- ),
- offsetof( Thread_Configured_control, API_POSIX )
- }
- #endif
- };
-
- const size_t _Thread_Control_add_on_count =
- RTEMS_ARRAY_SIZE( _Thread_Control_add_ons );
-
- #if defined(RTEMS_SMP)
- struct Thread_queue_Configured_heads {
- Thread_queue_Heads Heads;
- Thread_queue_Priority_queue Priority[ _CONFIGURE_SCHEDULER_COUNT ];
- };
-
- const size_t _Thread_queue_Heads_size =
- sizeof( Thread_queue_Configured_heads );
- #endif
-
- const size_t _Thread_Initial_thread_count =
- rtems_resource_maximum_per_allocation( _CONFIGURE_TASKS ) +
- rtems_resource_maximum_per_allocation( CONFIGURE_MAXIMUM_POSIX_THREADS );
-
- THREAD_INFORMATION_DEFINE(
- _Thread,
- OBJECTS_INTERNAL_API,
- OBJECTS_INTERNAL_THREADS,
- _CONFIGURE_MAXIMUM_PROCESSORS + _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT
- );
-
#if CONFIGURE_MAXIMUM_BARRIERS > 0
BARRIER_INFORMATION_DEFINE( CONFIGURE_MAXIMUM_BARRIERS );
#endif
@@ -636,15 +493,6 @@ extern "C" {
TIMER_INFORMATION_DEFINE( CONFIGURE_MAXIMUM_TIMERS );
#endif
- #if _CONFIGURE_TASKS > 0
- THREAD_INFORMATION_DEFINE(
- _RTEMS_tasks,
- OBJECTS_CLASSIC_API,
- OBJECTS_RTEMS_TASKS,
- _CONFIGURE_TASKS
- );
- #endif
-
#if CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS > 0
POSIX_Keys_Key_value_pair _POSIX_Keys_Key_value_pairs[
rtems_resource_maximum_per_allocation(
@@ -674,15 +522,6 @@ extern "C" {
POSIX_SHM_INFORMATION_DEFINE( CONFIGURE_MAXIMUM_POSIX_SHMS );
#endif
- #if CONFIGURE_MAXIMUM_POSIX_THREADS > 0
- THREAD_INFORMATION_DEFINE(
- _POSIX_Threads,
- OBJECTS_POSIX_API,
- OBJECTS_POSIX_THREADS,
- CONFIGURE_MAXIMUM_POSIX_THREADS
- );
- #endif
-
#ifdef RTEMS_POSIX_API
#if CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS > 0
const uint32_t _POSIX_signals_Maximum_queued_signals =
@@ -698,9 +537,6 @@ extern "C" {
#endif
#endif
- const size_t _POSIX_Threads_Minimum_stack_size =
- CONFIGURE_MINIMUM_POSIX_THREAD_STACK_SIZE;
-
/**
* This variable specifies the minimum stack size for tasks in an RTEMS
* application.
@@ -779,32 +615,6 @@ extern "C" {
#ifdef CONFIGURE_INIT
-/*
- * Make sure a task/thread of some sort is configured.
- *
- * When analyzing RTEMS to find the smallest possible of memory
- * that must be allocated, you probably do want to configure 0
- * tasks/threads so there is a smaller set of calls to _Workspace_Allocate
- * to analyze.
- */
-#if !defined(CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION) \
- && CONFIGURE_MAXIMUM_TASKS == 0 \
- && CONFIGURE_MAXIMUM_POSIX_THREADS == 0
- #error "CONFIGURATION ERROR: No tasks or threads configured!!"
-#endif
-
-#ifndef RTEMS_SCHEDSIM
-/*
- * Make sure at least one of the initialization task/thread
- * tables was defined.
- */
-#if !defined(CONFIGURE_RTEMS_INIT_TASKS_TABLE) && \
- !defined(CONFIGURE_POSIX_INIT_THREAD_TABLE) && \
- !defined(CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION)
-#error "CONFIGURATION ERROR: No initialization tasks or threads configured!!"
-#endif
-#endif
-
/*
* POSIX Key pair shouldn't be less than POSIX Key, which is highly
* likely to be error.
diff --git a/cpukit/include/rtems/confdefs/threads.h b/cpukit/include/rtems/confdefs/threads.h
new file mode 100644
index 0000000000..3a92255892
--- /dev/null
+++ b/cpukit/include/rtems/confdefs/threads.h
@@ -0,0 +1,234 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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.
+ */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSApplicationConfiguration
+ *
+ * @brief Evaluate Thread Configuration Options
+ */
+
+#ifndef _RTEMS_CONFDEFS_THREADS_H
+#define _RTEMS_CONFDEFS_THREADS_H
+
+#ifndef __CONFIGURATION_TEMPLATE_h
+#error "Do not include this file directly, use <rtems/confdefs.h> instead"
+#endif
+
+#ifdef CONFIGURE_INIT
+
+#include <rtems/confdefs/bdbuf.h>
+#include <rtems/confdefs/extensions.h>
+#include <rtems/confdefs/mpci.h>
+#include <rtems/confdefs/percpu.h>
+#include <rtems/confdefs/scheduler.h>
+#include <rtems/confdefs/unlimited.h>
+#include <rtems/score/thread.h>
+#include <rtems/posix/threadsup.h>
+#include <rtems/rtems/tasksdata.h>
+
+#ifndef CONFIGURE_MAXIMUM_TASKS
+ #define CONFIGURE_MAXIMUM_TASKS 0
+#endif
+
+#define _CONFIGURE_TASKS ( CONFIGURE_MAXIMUM_TASKS + _CONFIGURE_LIBBLOCK_TASKS )
+
+#ifndef CONFIGURE_MAXIMUM_POSIX_THREADS
+ #define CONFIGURE_MAXIMUM_POSIX_THREADS 0
+#endif
+
+#if CONFIGURE_MAXIMUM_POSIX_THREADS > 0
+ #include <rtems/posix/pthread.h>
+#endif
+
+#if !defined(CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION) \
+ && CONFIGURE_MAXIMUM_TASKS == 0 \
+ && CONFIGURE_MAXIMUM_POSIX_THREADS == 0
+ #error "You must define one of CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION, CONFIGURE_MAXIMUM_TASKS, and CONFIGURE_MAXIMUM_POSIX_THREADS"
+#endif
+
+#if !defined(CONFIGURE_RTEMS_INIT_TASKS_TABLE) \
+ && !defined(CONFIGURE_POSIX_INIT_THREAD_TABLE) \
+ && !defined(CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION)
+ #error "You must define one of CONFIGURE_IDLE_TASK_INITIALIZES_APPLICATION, CONFIGURE_RTEMS_INIT_TASKS_TABLE, and CONFIGURE_POSIX_INIT_THREAD_TABLE"
+#endif
+
+#ifndef CONFIGURE_MAXIMUM_THREAD_NAME_SIZE
+ #define CONFIGURE_MAXIMUM_THREAD_NAME_SIZE THREAD_DEFAULT_MAXIMUM_NAME_SIZE
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef union {
+ Scheduler_Node Base;
+ #ifdef CONFIGURE_SCHEDULER_CBS
+ Scheduler_CBS_Node CBS;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_EDF
+ Scheduler_EDF_Node EDF;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_EDF_SMP
+ Scheduler_EDF_SMP_Node EDF_SMP;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_PRIORITY
+ Scheduler_priority_Node Priority;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_SIMPLE_SMP
+ Scheduler_SMP_Node Simple_SMP;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_PRIORITY_SMP
+ Scheduler_priority_SMP_Node Priority_SMP;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_PRIORITY_AFFINITY_SMP
+ Scheduler_priority_affinity_SMP_Node Priority_affinity_SMP;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_STRONG_APA
+ Scheduler_strong_APA_Node Strong_APA;
+ #endif
+ #ifdef CONFIGURE_SCHEDULER_USER_PER_THREAD
+ CONFIGURE_SCHEDULER_USER_PER_THREAD User;
+ #endif
+} Configuration_Scheduler_node;
+
+#ifdef RTEMS_SMP
+ const size_t _Scheduler_Node_size = sizeof( Configuration_Scheduler_node );
+#endif
+
+const size_t _Thread_Maximum_name_size = CONFIGURE_MAXIMUM_THREAD_NAME_SIZE;
+
+struct Thread_Configured_control {
+ Thread_Control Control;
+ #if CONFIGURE_MAXIMUM_USER_EXTENSIONS > 0
+ void *extensions[ CONFIGURE_MAXIMUM_USER_EXTENSIONS + 1 ];
+ #endif
+ Configuration_Scheduler_node Scheduler_nodes[ _CONFIGURE_SCHEDULER_COUNT ];
+ RTEMS_API_Control API_RTEMS;
+ #ifdef RTEMS_POSIX_API
+ POSIX_API_Control API_POSIX;
+ #endif
+ #if CONFIGURE_MAXIMUM_THREAD_NAME_SIZE > 1
+ char name[ CONFIGURE_MAXIMUM_THREAD_NAME_SIZE ];
+ #endif
+ #ifdef _CONFIGURE_ENABLE_NEWLIB_REENTRANCY
+ struct _reent Newlib;
+ #else
+ struct { /* Empty */ } Newlib;
+ #endif
+};
+
+const Thread_Control_add_on _Thread_Control_add_ons[] = {
+ {
+ offsetof( Thread_Configured_control, Control.Scheduler.nodes ),
+ offsetof( Thread_Configured_control, Scheduler_nodes )
+ }, {
+ offsetof(
+ Thread_Configured_control,
+ Control.API_Extensions[ THREAD_API_RTEMS ]
+ ),
+ offsetof( Thread_Configured_control, API_RTEMS )
+ }, {
+ offsetof(
+ Thread_Configured_control,
+ Control.libc_reent
+ ),
+ offsetof( Thread_Configured_control, Newlib )
+ }
+ #if CONFIGURE_MAXIMUM_THREAD_NAME_SIZE > 1
+ , {
+ offsetof(
+ Thread_Configured_control,
+ Control.Join_queue.Queue.name
+ ),
+ offsetof( Thread_Configured_control, name )
+ }
+ #endif
+ #ifdef RTEMS_POSIX_API
+ , {
+ offsetof(
+ Thread_Configured_control,
+ Control.API_Extensions[ THREAD_API_POSIX ]
+ ),
+ offsetof( Thread_Configured_control, API_POSIX )
+ }
+ #endif
+};
+
+const size_t _Thread_Control_add_on_count =
+ RTEMS_ARRAY_SIZE( _Thread_Control_add_ons );
+
+#ifdef RTEMS_SMP
+ struct Thread_queue_Configured_heads {
+ Thread_queue_Heads Heads;
+ Thread_queue_Priority_queue Priority[ _CONFIGURE_SCHEDULER_COUNT ];
+ };
+
+ const size_t _Thread_queue_Heads_size =
+ sizeof( Thread_queue_Configured_heads );
+#endif
+
+const size_t _Thread_Initial_thread_count =
+ rtems_resource_maximum_per_allocation( _CONFIGURE_TASKS ) +
+ rtems_resource_maximum_per_allocation( CONFIGURE_MAXIMUM_POSIX_THREADS );
+
+THREAD_INFORMATION_DEFINE(
+ _Thread,
+ OBJECTS_INTERNAL_API,
+ OBJECTS_INTERNAL_THREADS,
+ _CONFIGURE_MAXIMUM_PROCESSORS + _CONFIGURE_MPCI_RECEIVE_SERVER_COUNT
+);
+
+#if _CONFIGURE_TASKS > 0
+ THREAD_INFORMATION_DEFINE(
+ _RTEMS_tasks,
+ OBJECTS_CLASSIC_API,
+ OBJECTS_RTEMS_TASKS,
+ _CONFIGURE_TASKS
+ );
+#endif
+
+#if CONFIGURE_MAXIMUM_POSIX_THREADS > 0
+ const size_t _POSIX_Threads_Minimum_stack_size =
+ CONFIGURE_MINIMUM_POSIX_THREAD_STACK_SIZE;
+
+ THREAD_INFORMATION_DEFINE(
+ _POSIX_Threads,
+ OBJECTS_POSIX_API,
+ OBJECTS_POSIX_THREADS,
+ CONFIGURE_MAXIMUM_POSIX_THREADS
+ );
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* CONFIGURE_INIT */
+
+#endif /* _RTEMS_CONFDEFS_THREADS_H */
diff --git a/cpukit/posix/src/pthread.c b/cpukit/posix/src/pthread.c
index 18c8635497..ff76c8694e 100644
--- a/cpukit/posix/src/pthread.c
+++ b/cpukit/posix/src/pthread.c
@@ -20,6 +20,8 @@
#include <rtems/posix/pthread.h>
+const size_t _POSIX_Threads_Minimum_stack_size;
+
THREAD_INFORMATION_DEFINE_ZERO(
_POSIX_Threads,
OBJECTS_POSIX_API,
--
2.16.4
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