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-rw-r--r--nuttx/sched/pthread_getschedparam.c139
1 files changed, 0 insertions, 139 deletions
diff --git a/nuttx/sched/pthread_getschedparam.c b/nuttx/sched/pthread_getschedparam.c
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--- a/nuttx/sched/pthread_getschedparam.c
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-/****************************************************************************
- * pthread_getschedparam.c
- *
- * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * 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.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * 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.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <sys/types.h>
-#include <pthread.h>
-#include <sched.h>
-#include <errno.h>
-#include <debug.h>
-#include "pthread_internal.h"
-
-/****************************************************************************
- * Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Type Declarations
- ****************************************************************************/
-
-/****************************************************************************
- * Global Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Variables
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Public Functions
- *****************************************************************************/
-
-/****************************************************************************
- * Name: pthread_getschedparam
- *
- * Description:
- * The pthread_getschedparam() functions will get the scheduling policy and
- * parameters of threads. For SCHED_FIFO and SCHED_RR, the only required
- * member of the sched_param structure is the priority sched_priority.
- *
- * The pthread_getschedparam() function will retrieve the scheduling
- * policy and scheduling parameters for the thread whose thread ID is
- * given by 'thread' and will store those values in 'policy' and 'param',
- * respectively. The priority value returned from pthread_getschedparam()
- * will be the value specified by the most recent pthread_setschedparam(),
- * pthread_setschedprio(), or pthread_create() call affecting the target
- * thread. It will not reflect any temporary adjustments to its priority
- * (such as might result of any priority inheritance, for example).
- *
- * The policy parameter may have the value SCHED_FIFO, or SCHED_RR
- * (SCHED_OTHER and SCHED_SPORADIC, in particular, are not supported).
- * The SCHED_FIFO and SCHED_RR policies will have a single scheduling
- * parameter, sched_priority.
-*
- * Parameters:
- * thread - The ID of thread whose scheduling parameters will be queried.
- * policy - The location to store the thread's scheduling policy.
- * param - The location to store the thread's priority.
- *
- * Return Value:
- * 0 if successful. Otherwise, the error code ESRCH if the value specified
- * by thread does not refer to an existing thread.
- *
- * Assumptions:
- *
- ****************************************************************************/
-
-int pthread_getschedparam(pthread_t thread, FAR int *policy,
- FAR struct sched_param *param)
-{
- int ret;
-
- sdbg("Thread ID=%d policy=0x%p param=0x%p\n", thread, policy, param);
-
- if (!policy || !param)
- {
- ret = EINVAL;
- }
- else
- {
- /* Get the schedparams of the thread. */
-
- ret = sched_getparam((pid_t)thread, param);
- if (ret != OK)
- {
- ret = EINVAL;
- }
-
- /* Return the policy. */
-
- *policy = sched_getscheduler((pid_t)thread);
- if (*policy == ERROR)
- {
- ret = get_errno();
- }
- }
-
- sdbg("Returning %d\n", ret);
- return ret;
-}
-