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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @brief POSIX Threads Private Support
*
* This include file contains all the private support information for
* POSIX threads.
*/
/*
* COPYRIGHT (c) 1989-2011.
* 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_PTHREADIMPL_H
#define _RTEMS_POSIX_PTHREADIMPL_H
#include <rtems/posix/pthread.h>
#include <rtems/posix/threadsup.h>
#include <rtems/score/assert.h>
#include <rtems/score/objectimpl.h>
#include <rtems/score/timespec.h>
#include <rtems/score/threadimpl.h>
#include <rtems/score/watchdogimpl.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup POSIX_PTHREAD
*/
/**@{**/
/**
* The following sets the minimum stack size for POSIX threads.
*/
#define PTHREAD_MINIMUM_STACK_SIZE _POSIX_Threads_Minimum_stack_size
#if defined(RTEMS_POSIX_API)
static inline void _POSIX_Threads_Sporadic_timer_insert(
Thread_Control *the_thread,
POSIX_API_Control *api
)
{
the_thread->CPU_budget.available =
_Timespec_To_ticks( &api->Sporadic.sched_ss_init_budget );
_Watchdog_Per_CPU_insert_ticks(
&api->Sporadic.Timer,
_Per_CPU_Get(),
_Timespec_To_ticks( &api->Sporadic.sched_ss_repl_period )
);
}
#endif
void _POSIX_Threads_Sporadic_timer( Watchdog_Control *watchdog );
/**
* @brief The POSIX threads sporadic budget operations.
*/
extern const Thread_CPU_budget_operations _POSIX_Threads_Sporadic_budget;
int _POSIX_Thread_Translate_to_sched_policy(
const Thread_CPU_budget_operations *operations
);
/**
* @brief Translates the POSIX scheduling policy and parameters to parts of the
* thread configuration.
*
* @param policy is the POSIX scheduling policy.
*
* @param param is the pointer to the POSIX scheduling parameters.
*
* @param[out] config is the pointer to a thread configuration to set the
* budget algorithm, callout, and CPU time budget.
*
* @retval 0 The operation was successful.
*
* @retval EINVAL The POSIX scheduling policy or parameters were invalid.
*/
int _POSIX_Thread_Translate_sched_param(
int policy,
const struct sched_param *param,
Thread_Configuration *config
);
static inline Thread_Control *_POSIX_Threads_Allocate(void)
{
_Objects_Allocator_lock();
_Thread_Kill_zombies();
return (Thread_Control *)
_Objects_Allocate_unprotected( &_POSIX_Threads_Information.Objects );
}
/** @} */
#ifdef __cplusplus
}
#endif
#endif
/* end of include file */
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