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Add the system call signalfd (#8001)

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This commit is contained in:
zmq810150896
2023-09-11 14:06:08 +08:00
committed by GitHub
parent e8e980879e
commit 7c3d966df6
5 changed files with 410 additions and 0 deletions
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16
components/lwp/lwp_signal.c
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@@ -392,6 +392,20 @@ void lwp_sigqueue_clear(lwp_sigqueue_t sigq)
}
}
static void lwp_signal_notify(rt_slist_t *list_head, lwp_siginfo_t siginfo)
{
rt_slist_t *node;
rt_slist_for_each(node, list_head)
{
struct rt_lwp_notify *n = rt_slist_entry(node, struct rt_lwp_notify, list_node);
if (n->notify)
{
n->notify(n->signalfd_queue, siginfo->ksiginfo.signo);
}
}
}
rt_err_t lwp_signal_init(struct lwp_signal *sig)
{
rt_err_t rc;
@@ -704,6 +718,7 @@ rt_err_t lwp_signal_kill(struct rt_lwp *lwp, long signo, long code, long value)
{
need_schedule = _siginfo_deliver_to_lwp(lwp, siginfo);
ret = 0;
lwp_signal_notify(&lwp->signalfd_notify_head, siginfo);
}
else
{
@@ -856,6 +871,7 @@ rt_err_t lwp_thread_signal_kill(rt_thread_t thread, long signo, long code, long
{
need_schedule = _siginfo_deliver_to_thread(thread, siginfo);
ret = 0;
lwp_signal_notify(&lwp->signalfd_notify_head, siginfo);
}
else
{