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sched/sched:  Correct some build issues introduced by last set of changes.
    sched/sched:  Add new internal OS function nxsched_setaffinity() that is identical to sched_isetaffinity() except that it does not modify the errno value.  All usage of sched_setaffinity() within the OS is replaced with nxsched_setaffinity().
    sched/sched:  Internal functions sched_reprioritize() and sched_setpriority() no longer movidify the errno value.  Also renamed to nxsched_reprioritize() and sched_setpriority().
    sched/sched:  Add new internal OS function nxsched_getscheduler() that is identical to sched_getscheduler() except that it does not modify the errno value.  All usage of sched_getscheduler() within the OS is replaced with nxsched_getscheduler().
    sched/sched:  Add new internal OS function nxsched_setparam() that is identical to sched_setparam() except that it does not modify the errno value.  All usage of sched_setparam() within the OS is replaced with nxsched_setparam().
    sched/sched:  Add new internal OS function nxsched_getparam() that is identical to sched_getparam() except that it does not modify the errno value (actually, the previous value erroneously neglected to set the errno value to begin with, but this fixes both issues).  All usage of sched_getparam() within the OS is replaced with nxsched_getparam().
This commit is contained in:
Gregory Nutt
2018-01-30 11:07:36 -06:00
parent 947191780f
commit 170a50c690
30 changed files with 605 additions and 246 deletions
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sched/task/task_spawnparms.c
+15 -9
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* sched/task/task_spawnparms.c
*
* Copyright (C) 2013, 2015, 2017 Gregory Nutt. All rights reserved.
* Copyright (C) 2013, 2015, 2017-2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -194,7 +194,7 @@ void spawn_semtake(FAR sem_t *sem)
* attr - The attributes to use
*
* Returned Value:
* Errors are not reported by this function. This is because errors
* Errors are not reported by this function. This is not because errors
* cannot occur, but rather that the new task has already been started
* so there is no graceful way to handle errors detected in this context
* (unless we delete the new task and recover).
@@ -208,6 +208,7 @@ void spawn_semtake(FAR sem_t *sem)
int spawn_execattrs(pid_t pid, FAR const posix_spawnattr_t *attr)
{
struct sched_param param;
int ret;
DEBUGASSERT(attr);
@@ -223,17 +224,14 @@ int spawn_execattrs(pid_t pid, FAR const posix_spawnattr_t *attr)
if ((attr->flags & POSIX_SPAWN_SETSCHEDPARAM) != 0)
{
#ifdef CONFIG_SCHED_SPORADIC
int ret;
/* Get the current sporadic scheduling parameters. Those will not be
* modified.
*/
ret = sched_getparam(pid, &param);
ret = nxsched_getparam(pid, &param);
if (ret < 0)
{
int errcode = get_errno();
return -errcode;
return ret;
}
#endif
@@ -250,7 +248,11 @@ int spawn_execattrs(pid_t pid, FAR const posix_spawnattr_t *attr)
sinfo("Setting priority=%d for pid=%d\n",
param.sched_priority, pid);
(void)sched_setparam(pid, &param);
ret = nxsched_setparam(pid, &param);
if (ret < 0)
{
return ret;
}
}
}
@@ -261,7 +263,11 @@ int spawn_execattrs(pid_t pid, FAR const posix_spawnattr_t *attr)
else if ((attr->flags & POSIX_SPAWN_SETSCHEDULER) != 0)
{
(void)sched_getparam(0, &param);
ret = nxsched_getparam(0, &param);
if (ret < 0)
{
return ret;
}
}
/* Are we setting the scheduling policy? If so, use the priority