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Use SIGCHLD with waitpid(); implemented wait() and waitid()

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git-svn-id: http://svn.code.sf.net/p/nuttx/code/trunk@5515 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
2013-01-13 18:53:00 +00:00
parent ffda55b34a
commit b3f3dd123c
23 changed files with 1079 additions and 95 deletions
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nuttx/sched/task_setup.c
+3
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@@ -168,7 +168,10 @@ static int task_assignpid(FAR _TCB *tcb)
static inline void task_saveparent(FAR _TCB *tcb)
{
FAR _TCB *rtcb = (FAR _TCB*)g_readytorun.head;
DEBUGASSERT(rtcb->nchildren < UINT16_MAX);
tcb->parent = rtcb->pid;
rtcb->nchildren++;
}
#else
# define task_saveparent(tcb)