diff options
Diffstat (limited to 'nuttx/sched/sched_getscheduler.c')
-rw-r--r-- | nuttx/sched/sched_getscheduler.c | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/nuttx/sched/sched_getscheduler.c b/nuttx/sched/sched_getscheduler.c deleted file mode 100644 index 0d996ca27..000000000 --- a/nuttx/sched/sched_getscheduler.c +++ /dev/null @@ -1,132 +0,0 @@ -/************************************************************************ - * sched/sched_getscheduler.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 <errno.h> - -#include <nuttx/arch.h> - -#include "os_internal.h" - -/************************************************************************ - * Definitions - ************************************************************************/ - -/************************************************************************ - * Private Type Declarations - ************************************************************************/ - -/************************************************************************ - * Global Variables - ************************************************************************/ - -/************************************************************************ - * Private Variables - ************************************************************************/ - -/************************************************************************ - * Private Function Prototypes - ************************************************************************/ - -/************************************************************************ - * Private Functions - ************************************************************************/ - -/************************************************************************ - * Public Functions - ************************************************************************/ - -/************************************************************************ - * Name: sched_getscheduler - * - * Description: - * sched_getscheduler() returns the scheduling policy currently - * applied to the task identified by pid. If pid equals zero, the - * policy of the calling task will be retrieved. - * - * Inputs: - * pid - the task ID of the task to query. If pid is zero, the - * calling task is queried. - * - * Return Value: - * On success, sched_getscheduler() returns the policy for the task - * (either SCHED_FIFO or SCHED_RR). On error, ERROR (-1) is - * returned, and errno is set appropriately: - * - * ESRCH The task whose ID is pid could not be found. - * - * Assumptions: - * - ************************************************************************/ - -int sched_getscheduler(pid_t pid) -{ - _TCB *tcb; - - /* Verify that the pid corresponds to a real task */ - - if (!pid) - { - tcb = (_TCB*)g_readytorun.head; - } - else - { - tcb = sched_gettcb(pid); - } - - if (!tcb) - { - set_errno(ESRCH); - return ERROR; - } -#if CONFIG_RR_INTERVAL > 0 - else if ((tcb->flags & TCB_FLAG_ROUND_ROBIN) != 0) - { - return SCHED_RR; - } -#endif - else - { - return SCHED_FIFO; - } -} - |