acassis commented on code in PR #17263:
URL: https://github.com/apache/nuttx/pull/17263#discussion_r2479233903
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sched/signal/sig_dispatch.c:
##########
@@ -364,11 +364,10 @@ static irqstate_t nxsig_alloc_dyn_pending(irqstate_t
flags)
bool alloc_signal = sq_empty(&g_sigpendingsignal);
bool alloc_sigact = sq_empty(&g_sigpendingaction);
- /* Signals are not dispatched from the idle task */
+ /* We can't do memory allocations in idle task or interrupt */
- DEBUGASSERT(!sched_idletask());
-
- if (alloc_signal || alloc_sigact)
+ if ((alloc_signal || alloc_sigact) &&
+ !sched_idletask() && !up_interrupt_context())
Review Comment:
What if we protect this part with #ifdef CONFIG_SIGNAL_ALLOWED_FROM_ISR ?
This way the previous behavior will not changed.
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