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Diffstat (limited to 'nuttx/sched/pthread_setschedparam.c')
-rw-r--r-- | nuttx/sched/pthread_setschedparam.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/nuttx/sched/pthread_setschedparam.c b/nuttx/sched/pthread_setschedparam.c deleted file mode 100644 index 019a7c7a5..000000000 --- a/nuttx/sched/pthread_setschedparam.c +++ /dev/null @@ -1,142 +0,0 @@ -/**************************************************************************** - * pthread_setschedparam.c - * - * Copyright (C) 2007, 2008, 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 <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_setschedparam - * - * Description: - * The pthread_setschedparam() functions will set 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_setschedparam() function will set the scheduling policy - * and associated scheduling parameters for the thread whose thread ID - * is given by 'thread' to the policy and associated parameters provided - * in 'policy' and 'param', respectively. - * - * 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. - * - * If the pthread_setschedparam() function fails, the scheduling parameters - * will not be changed for the target thread. - * - * Parameters: - * thread - The ID of thread whose scheduling parameters will be modified. - * policy - The new scheduling policy of the thread. Either SCHED_FIFO or - * SCHED_RR. SCHED_OTHER and SCHED_SPORADIC are not supported. - * param - Provides the new priority of the thread. - * - * Return Value: - * 0 if successful. Otherwise, an error code identifying the cause of the - * failure: - * - * EINVAL The value specified by 'policy' or one of the scheduling - * parameters associated with the scheduling policy 'policy' is - * invalid. - * ENOTSUP An attempt was made to set the policy or scheduling parameters - * to an unsupported value (SCHED_OTHER and SCHED_SPORADIC in - * particular are not supported) - * EPERM The caller does not have the appropriate permission to set either - * the scheduling parameters or the scheduling policy of the - * specified thread. Or, the implementation does not allow the - * application to modify one of the parameters to the value - * specified. - * ESRCH The value specified by thread does not refer to a existing thread. - * - * Assumptions: - * - ****************************************************************************/ - -int pthread_setschedparam(pthread_t thread, int policy, FAR const struct sched_param *param) -{ - int ret; - - sdbg("thread ID=%d policy=%d param=0x%p\n", thread, policy, param); - - /* Set the errno to some non-zero value (failsafe) */ - - set_errno(EINVAL); - - /* Let sched_setscheduler do all of the work */ - - ret = sched_setscheduler((pid_t)thread, policy, param); - if (ret != OK) - { - /* If sched_setscheduler() fails, return the errno */ - - ret = get_errno(); - } - - return ret; -} |