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Diffstat (limited to 'nuttx/sched/sched_removereadytorun.c')
-rw-r--r-- | nuttx/sched/sched_removereadytorun.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/nuttx/sched/sched_removereadytorun.c b/nuttx/sched/sched_removereadytorun.c deleted file mode 100644 index 4982808e2..000000000 --- a/nuttx/sched/sched_removereadytorun.c +++ /dev/null @@ -1,121 +0,0 @@ -/**************************************************************************** - * shced/sched_removereadytorun.c - * - * Copyright (C) 2007-2009, 2012 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 <stdbool.h> -#include <queue.h> -#include <assert.h> - -#include "os_internal.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Private Type Declarations - ****************************************************************************/ - -/**************************************************************************** - * Global Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Variables - ****************************************************************************/ - -/**************************************************************************** - * Private Function Prototypes - ****************************************************************************/ - -/**************************************************************************** - * Public Functions - ****************************************************************************/ - -/**************************************************************************** - * Name: sched_removereadytorun - * - * Description: - * This function removes a TCB from the ready to run list. - * - * Inputs: - * rtcb - Points to the TCB that is ready-to-run - * - * Return Value: - * true if the currently active task (the head of the - * g_readytorun list) has changed. - * - * Assumptions: - * - The caller has established a critical section before calling this - * function (calling sched_lock() first is NOT a good idea -- use irqsave()). - * - The caller handles the condition that occurs if the - * the head of the g_readytorun list is changed. - * - ****************************************************************************/ - -bool sched_removereadytorun(FAR _TCB *rtcb) -{ - bool ret = false; - - /* Check if the TCB to be removed is at the head of the ready to run list. - * In this case, we are removing the currently active task. - */ - - if (!rtcb->blink) - { - /* There must always be at least one task in the list (the idle task) */ - - ASSERT(rtcb->flink != NULL); - - /* Inform the instrumentation layer that we are switching tasks */ - - sched_note_switch(rtcb, rtcb->flink); - - rtcb->flink->task_state = TSTATE_TASK_RUNNING; - ret = true; - } - - /* Remove the TCB from the ready-to-run list */ - - dq_rem((FAR dq_entry_t*)rtcb, (dq_queue_t*)&g_readytorun); - - rtcb->task_state = TSTATE_TASK_INVALID; - return ret; -} |