diff options
Diffstat (limited to 'nuttx/sched/sig_received.c')
| -rw-r--r-- | nuttx/sched/sig_received.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/nuttx/sched/sig_received.c b/nuttx/sched/sig_received.c index 56f7f1dea..1aa76c900 100644 --- a/nuttx/sched/sig_received.c +++ b/nuttx/sched/sig_received.c @@ -178,12 +178,15 @@ static FAR sigpendq_t *sig_allocatependingsignal(void) /* Try to get the pending signal structure from the free list */ sigpend = (FAR sigpendq_t*)sq_remfirst(&g_sigpendingsignal); + if (!sigpend) + { + /* If no pending signal structure is available in the free list, + * then try the special list of structures reserved for + * interrupt handlers + */ - /* If so, then try the special list of structures reserved for - * interrupt handlers - */ - - sigpend = (FAR sigpendq_t*)sq_remfirst(&g_sigpendingirqsignal); + sigpend = (FAR sigpendq_t*)sq_remfirst(&g_sigpendingirqsignal); + } } /* If we were not called from an interrupt handler, then we are |