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Add queue_peek to the kernel (written by Mike Sevakis), and use it to improve upon my previous commit.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15336 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nicolas Pennequin 2007-10-27 18:08:18 +00:00
parent 41add08c5e
commit 1839edf64a
4 changed files with 52 additions and 3 deletions
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firmware/export/kernel.h
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@ -219,6 +219,7 @@ extern void queue_reply(struct event_queue *q, intptr_t retval);
extern bool queue_in_queue_send(struct event_queue *q);
#endif /* HAVE_EXTENDED_MESSAGING_AND_NAME */
extern bool queue_empty(const struct event_queue* q);
extern bool queue_peek(struct event_queue *q, struct queue_event *ev);
extern void queue_clear(struct event_queue* q);
extern void queue_remove_from_head(struct event_queue *q, long id);
extern int queue_count(const struct event_queue *q);