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Change prototypes of up_create_stack and up_release_stack to include a task type parameter

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5765 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2013-03-20 18:22:21 +00:00
parent d5d9fa89ab
commit 3bf2c1b355
43 changed files with 880 additions and 326 deletions
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sched/task_vfork.c
+20 -4
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@@ -112,11 +112,27 @@ FAR struct task_tcb_s *task_vforksetup(start_t retaddr)
{
struct tcb_s *parent = (FAR struct tcb_s *)g_readytorun.head;
struct task_tcb_s *child;
uint8_t ttype;
int priority;
int ret;
DEBUGASSERT(retaddr);
/* Get the type of the fork'ed task (kernel or user) */
if ((parent->flags & TCB_FLAG_TTYPE_MASK) == TCB_FLAG_TTYPE_KERNEL)
{
/* Fork'ed from a kernel thread */
ttype = TCB_FLAG_TTYPE_KERNEL;
}
else
{
/* Fork'ed from a user task or pthread */
ttype = TCB_FLAG_TTYPE_TASK;
}
/* Allocate a TCB for the child task. */
child = (FAR struct task_tcb_s *)kzalloc(sizeof(struct task_tcb_s));
@@ -158,8 +174,7 @@ FAR struct task_tcb_s *task_vforksetup(start_t retaddr)
/* Initialize the task control block. This calls up_initial_state() */
svdbg("Child priority=%d start=%p\n", priority, retaddr);
ret = task_schedsetup(child, priority, retaddr, parent->entry.main,
TCB_FLAG_TTYPE_TASK);
ret = task_schedsetup(child, priority, retaddr, parent->entry.main, ttype);
if (ret < OK)
{
goto errout_with_tcb;
@@ -169,7 +184,7 @@ FAR struct task_tcb_s *task_vforksetup(start_t retaddr)
return child;
errout_with_tcb:
sched_releasetcb((FAR struct tcb_s *)child);
sched_releasetcb((FAR struct tcb_s *)child, ttype);
set_errno(-ret);
return NULL;
}
@@ -321,7 +336,8 @@ void task_vforkabort(FAR struct task_tcb_s *child, int errcode)
/* Release the TCB */
sched_releasetcb((FAR struct tcb_s *)child);
sched_releasetcb((FAR struct tcb_s *)child,
child->cmn.flags & TCB_FLAG_TTYPE_MASK);
set_errno(errcode);
}