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Add framework to support task groups

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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5562 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2013-01-25 17:23:38 +00:00
parent b6472b58dc
commit e95efd5d2a
20 changed files with 681 additions and 145 deletions
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nuttx/sched/task_create.c
+19 -1
View File
@@ -108,6 +108,7 @@ static int thread_create(const char *name, uint8_t ttype, int priority,
{
FAR _TCB *tcb;
pid_t pid;
int errcode;
int ret;
/* Allocate a TCB for the new task. */
@@ -115,15 +116,28 @@ static int thread_create(const char *name, uint8_t ttype, int priority,
tcb = (FAR _TCB*)kzalloc(sizeof(_TCB));
if (!tcb)
{
errcode = ENOMEM;
goto errout;
}
/* Create a new task group */
#ifdef HAVE_TASK_GROUP
ret = group_create(tcb);
if (ret < 0)
{
errcode = -ret;
goto errout_with_tcb;
}
#endif
/* Associate file descriptors with the new task */
#if CONFIG_NFILE_DESCRIPTORS > 0 || CONFIG_NSOCKET_DESCRIPTORS > 0
ret = sched_setuptaskfiles(tcb);
if (ret != OK)
{
errcode = -ret;
goto errout_with_tcb;
}
#endif
@@ -138,6 +152,7 @@ static int thread_create(const char *name, uint8_t ttype, int priority,
ret = up_create_stack(tcb, stack_size);
if (ret != OK)
{
errcode = -ret;
goto errout_with_tcb;
}
#endif
@@ -147,6 +162,7 @@ static int thread_create(const char *name, uint8_t ttype, int priority,
ret = task_schedsetup(tcb, priority, task_start, entry, ttype);
if (ret != OK)
{
errcode = -ret;
goto errout_with_tcb;
}
@@ -163,6 +179,8 @@ static int thread_create(const char *name, uint8_t ttype, int priority,
ret = task_activate(tcb);
if (ret != OK)
{
errcode = get_errno();
/* The TCB was added to the active task list by task_schedsetup() */
dq_rem((FAR dq_entry_t*)tcb, (dq_queue_t*)&g_inactivetasks);
@@ -175,7 +193,7 @@ errout_with_tcb:
sched_releasetcb(tcb);
errout:
errno = ENOMEM;
set_errno(errcode);
return ERROR;
}