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include/, sched/, and libc/: Add support for sporadic scheduling parameters in struct sched_param, posix_spawnattr_t, and pthread_attr_t. Update all user interfaces to pass sporadic scheduling parameters. Feature is dependent on EXPERIMENTAL and no changes have yet been made to core scheduling logic.

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This commit is contained in:
Gregory Nutt
2015-07-23 13:16:32 -06:00
parent 13e837b957
commit 9095e8eab4
22 changed files with 352 additions and 144 deletions
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libc/pthread/pthread_attrgetschedparam.c
+9 -24
View File
@@ -45,26 +45,6 @@
#include <debug.h>
#include <errno.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Type Declarations
****************************************************************************/
/****************************************************************************
* Global Variables
****************************************************************************/
/****************************************************************************
* Private Variables
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
@@ -98,13 +78,18 @@ int pthread_attr_getschedparam(FAR const pthread_attr_t *attr,
}
else
{
param->sched_priority = attr->priority;
param->sched_priority = (int)attr->priority;
#ifdef CONFIG_SCHED_SPORADIC
param->sched_ss_low_priority = (int)attr->low_priority;
param->sched_ss_max_repl = (int)attr->max_repl;
param->sched_ss_repl_period.tv_sec = attr->repl_period.tv_sec;
param->sched_ss_repl_period.tv_nsec = attr->repl_period.tv_nsec;
param->sched_ss_init_budget.tv_sec = attr->budget.tv_sec;
param->sched_ss_init_budget.tv_nsec = attr->budget.tv_nsec;
#endif
ret = OK;
}
sdbg("Returning %d\n", ret);
return ret;
}
libc/pthread/pthread_attrsetschedparam.c
+12 -29
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* libc/pthread/pthread_attrsetschedparam.c
*
* Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009, 2011, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -45,30 +45,6 @@
#include <debug.h>
#include <errno.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Type Declarations
****************************************************************************/
/****************************************************************************
* Global Variables
****************************************************************************/
/****************************************************************************
* Private Variables
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Function: pthread_attr_setschedparam
*
@@ -86,7 +62,7 @@
****************************************************************************/
int pthread_attr_setschedparam(FAR pthread_attr_t *attr,
FAR const struct sched_param *param)
FAR const struct sched_param *param)
{
int ret;
@@ -98,11 +74,18 @@ int pthread_attr_setschedparam(FAR pthread_attr_t *attr,
}
else
{
attr->priority = (short)param->sched_priority;
attr->priority = (short)param->sched_priority;
#ifdef CONFIG_SCHED_SPORADIC
attr->low_priority = (uint8_t)param->sched_ss_low_priority;
attr->max_repl = (uint8_t)param->sched_ss_max_repl;
attr->repl_period.tv_sec = param->sched_ss_repl_period.tv_sec;
attr->repl_period.tv_nsec = param->sched_ss_repl_period.tv_nsec;
attr->budget.tv_sec = param->sched_ss_init_budget.tv_sec;
attr->budget.tv_nsec = param->sched_ss_init_budget.tv_nsec;
#endif
ret = OK;
}
sdbg("Returning %d\n", ret);
return ret;
}