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sched/tcb: add free tcb flag to support static tcb

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Add support for static tcb, applications in some special case can
initialize system resources in advance through static tcb.

|  static struct task_tcb_s g_tcb;
|
|  memset(&g_tcb, 0, sizeof(struct task_tcb_s));
|  g_tcb.cmn.flags = TCB_FLAG_TTYPE_KERNEL;
|  nxtask_init(&g_tcb, "PTCB", 101, NULL, 1024, ptcb_task, NULL, NULL, NULL);
|
|  ...
|  nxtask_activate(&g_tcb.cmn);

Signed-off-by: chao an <anchao@lixiang.com>
This commit is contained in:
chao an
2024-02-26 15:50:56 +08:00
committed by Xiang Xiao
parent 91f0a0f1a8
commit 9489953230
5 changed files with 11 additions and 5 deletions
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include/nuttx/sched.h
+1
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@@ -104,6 +104,7 @@
#define TCB_FLAG_HEAP_DUMP (1 << 11) /* Bit 11: Heap dump */
#define TCB_FLAG_DETACHED (1 << 12) /* Bit 12: Pthread detached */
#define TCB_FLAG_FORCED_CANCEL (1 << 13) /* Bit 13: Pthread cancel is forced */
#define TCB_FLAG_FREE_TCB (1 << 14) /* Bit 14: Free tcb after exit */
/* Values for struct task_group tg_flags */