diff options
Diffstat (limited to 'nuttx/sched/sched_getparam.c')
-rw-r--r-- | nuttx/sched/sched_getparam.c | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/nuttx/sched/sched_getparam.c b/nuttx/sched/sched_getparam.c deleted file mode 100644 index 47eab4988..000000000 --- a/nuttx/sched/sched_getparam.c +++ /dev/null @@ -1,146 +0,0 @@ -/************************************************************************ - * sched/sched_getparam.c - * - * Copyright (C) 2007, 2009 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 <nuttx/config.h> - -#include <sys/types.h> -#include <sched.h> - -#include "os_internal.h" - -/************************************************************************ - * Definitions - ************************************************************************/ - -/************************************************************************ - * Private Type Declarations - ************************************************************************/ - -/************************************************************************ - * Global Variables - ************************************************************************/ - -/************************************************************************ - * Private Variables - ************************************************************************/ - -/************************************************************************ - * Private Function Prototypes - ************************************************************************/ - -/************************************************************************ - * Private Functions - ************************************************************************/ - -/************************************************************************ - * Public Functions - ************************************************************************/ - -/************************************************************************ - * Name: sched_getparam - * - * Description: - * This function gets the scheduling priority of the task - * specified by pid. - * - * Inputs: - * pid - the task ID of the task. If pid is zero, the priority - * of the calling task is returned. - * param - A structure whose member sched_priority is the integer - * priority. The task's priority is copied to the sched_priority - * element of this structure. - * - * Return Value: - * 0 (OK) if successful, otherwise -1 (ERROR). - * - * This function can fail if param is null or if pid does - * not correspond to any task. - * - * Assumptions: - * - ************************************************************************/ - -int sched_getparam (pid_t pid, struct sched_param * param) -{ - FAR _TCB *rtcb; - FAR _TCB *tcb; - int ret = OK; - - if (!param) - { - return ERROR; - } - - /* Check if the task to restart is the calling task */ - - rtcb = (FAR _TCB*)g_readytorun.head; - if ((pid == 0) || (pid == rtcb->pid)) - { - /* Return the priority if the calling task. */ - - param->sched_priority = (int)rtcb->sched_priority; - } - - /* Ths pid is not for the calling task, we will have to look it up */ - - else - { - /* Get the TCB associated with this pid */ - - sched_lock(); - tcb = sched_gettcb(pid); - if (!tcb) - { - /* This pid does not correspond to any known task */ - - ret = ERROR; - } - else - { - /* Return the priority of the task */ - - param->sched_priority = (int)tcb->sched_priority; - } - - sched_unlock(); - } - - return ret; -} - |