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Diffstat (limited to 'nuttx/sched/pthread_getschedparam.c')
-rw-r--r-- | nuttx/sched/pthread_getschedparam.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/nuttx/sched/pthread_getschedparam.c b/nuttx/sched/pthread_getschedparam.c deleted file mode 100644 index c376fd400..000000000 --- a/nuttx/sched/pthread_getschedparam.c +++ /dev/null @@ -1,139 +0,0 @@ -/**************************************************************************** - * 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; -} - |