Rockbox open source high quality audio player as a Music Player Daemon
mpris
rockbox
mpd
libadwaita
audio
rust
zig
deno
kernel: Add queue_full() API call
This allows callers to see if it's safe to enqueue something instead
of triggering a panic if the queue turns out to be full.
Change-Id: Idb887e7a47cfbfef998f27d9d85090f3c0ed2230
+7
+1
firmware/kernel/include/queue.h
+1
firmware/kernel/include/queue.h
···
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extern bool queue_in_queue_send(struct event_queue *q);
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#endif /* HAVE_EXTENDED_MESSAGING_AND_NAME */
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extern bool queue_empty(const struct event_queue* q);
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+
extern bool queue_full(const struct event_queue* q);
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extern bool queue_peek(struct event_queue *q, struct queue_event *ev);
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#define QPEEK_FILTER_COUNT_MASK (0xffu) /* 0x00=1 filter, 0xff=256 filters */
+6
firmware/kernel/queue.c
+6
firmware/kernel/queue.c
···
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return ( q->read == q->write );
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}
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+
/* Poll queue to see if it is full */
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+
bool queue_full(const struct event_queue* q)
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+
{
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+
return ((q->write - q->read) >= QUEUE_LENGTH);
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+
}
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+
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void queue_clear(struct event_queue* q)
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{
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int oldlevel;