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authorJens Arnold <amiconn@rockbox.org>2007-04-14 09:47:47 +0000
committerJens Arnold <amiconn@rockbox.org>2007-04-14 09:47:47 +0000
commit0b7bb31453762f354af30210d1981f5dec3cdc19 (patch)
tree2af3ee3a98a3e9e2179421a367f12d2b97f7320d /uisimulator/sdl/kernel.c
parent9bfa237869ec3a75776926de7ffd4e7a1c4e03b9 (diff)
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Simplification, queue pointers don't wrap (except at INT_MAX, but the calculation is still correct in this case). Implemented queue_count() for the simulator.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13154 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'uisimulator/sdl/kernel.c')
-rw-r--r--uisimulator/sdl/kernel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/uisimulator/sdl/kernel.c b/uisimulator/sdl/kernel.c
index 8918ff7e12..98d509f6a6 100644
--- a/uisimulator/sdl/kernel.c
+++ b/uisimulator/sdl/kernel.c
@@ -281,6 +281,11 @@ void queue_remove_from_head(struct event_queue *q, long id)
set_irq_level(oldlevel);
}
+int queue_count(const struct event_queue *q)
+{
+ return q->write - q->read;
+}
+
void switch_thread(bool save_context, struct thread_entry **blocked_list)
{
(void)save_context;