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sched/spawn: Support the stack address argument

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Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
This commit is contained in:
Xiang Xiao 2021-05-12 19:58:35 +08:00 committed by David Sidrane
parent 7169c7c5f8
commit 82fb188d02
5 changed files with 136 additions and 3 deletions
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10
include/spawn.h
View File

@ -85,7 +85,8 @@ struct posix_spawnattr_s
#ifndef CONFIG_BUILD_KERNEL
/* Used only by task_spawn (non-standard) */
size_t stacksize; /* Task stack size */
FAR void *stackaddr; /* Task stack address */
size_t stacksize; /* Task stack size */
#endif
#ifdef CONFIG_SCHED_SPORADIC
@ -211,8 +212,13 @@ int posix_spawnattr_setsigmask(FAR posix_spawnattr_t *attr,
* task_spawn()
*/
int task_spawnattr_getstackaddr(FAR const posix_spawnattr_t *attr,
FAR void **stackaddr);
int task_spawnattr_setstackaddr(FAR posix_spawnattr_t *attr,
FAR void *stackaddr);
int task_spawnattr_getstacksize(FAR const posix_spawnattr_t *attr,
size_t *stacksize);
FAR size_t *stacksize);
int task_spawnattr_setstacksize(FAR posix_spawnattr_t *attr,
size_t stacksize);

1
libs/libc/spawn/Make.defs
View File

@ -32,6 +32,7 @@ CSRCS += lib_psa_init.c lib_psa_setflags.c lib_psa_setschedparam.c
CSRCS += lib_psa_setschedpolicy.c lib_psa_getsigmask.c lib_psa_setsigmask.c
ifneq ($(CONFIG_BUILD_KERNEL),y)
CSRCS += lib_psa_getstackaddr.c lib_psa_setstackaddr.c
CSRCS += lib_psa_getstacksize.c lib_psa_setstacksize.c
ifeq ($(CONFIG_LIB_SYSCALL),y)
CSRCS += lib_task_spawn.c

63
libs/libc/spawn/lib_psa_getstackaddr.c Normal file
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@ -0,0 +1,63 @@
/****************************************************************************
* libs/libc/spawn/lib_psa_getstackaddr.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sched.h>
#include <spawn.h>
#include <assert.h>
#ifndef CONFIG_BUILD_KERNEL
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: task_spawnattr_getstackaddr
*
* Description:
* The task_spawnattr_getstackaddr() function will obtain the value of
* the spawn-stackaddr attribute from the attributes object referenced
* by attr.
*
* Input Parameters:
* attr - The address spawn attributes to be queried.
* stackaddr - The location to return the spawn-stackaddr value.
*
* Returned Value:
* On success, these functions return 0; on failure they return an error
* number from <errno.h>.
*
****************************************************************************/
int task_spawnattr_getstackaddr(FAR const posix_spawnattr_t *attr,
FAR void **stackaddr)
{
DEBUGASSERT(attr && stackaddr);
*stackaddr = attr->stackaddr;
return OK;
}
#endif /* !CONFIG_BUILD_KERNEL */

2
libs/libc/spawn/lib_psa_getstacksize.c
View File

@ -53,7 +53,7 @@
****************************************************************************/
int task_spawnattr_getstacksize(FAR const posix_spawnattr_t *attr,
size_t *stacksize)
FAR size_t *stacksize)
{
DEBUGASSERT(attr && stacksize);
*stacksize = attr->stacksize;

63
libs/libc/spawn/lib_psa_setstackaddr.c Normal file
View File

@ -0,0 +1,63 @@
/****************************************************************************
* libs/libc/spawn/lib_psa_setstackaddr.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sched.h>
#include <spawn.h>
#include <assert.h>
#ifndef CONFIG_BUILD_KERNEL
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: task_spawnattr_setstackaddr
*
* Description:
* The task_spawnattr_setstackaddr() function shall set the spawn-
* stackaddr attribute in an initialized attributes object referenced
* by attr.
*
* Input Parameters:
* attr - The address spawn attributes to be used.
* stackaddr - The new stackaddr to set.
*
* Returned Value:
* On success, these functions return 0; on failure they return an error
* number from <errno.h>.
*
****************************************************************************/
int task_spawnattr_setstackaddr(FAR posix_spawnattr_t *attr,
FAR void *stackaddr)
{
DEBUGASSERT(attr);
attr->stackaddr = stackaddr;
return OK;
}
#endif /* !CONFIG_BUILD_KERNEL */