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Changed queue API. Added mutex functions

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@601 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-05-16 20:57:32 +00:00
parent a39f566a7f
commit 7361340ab5
2 changed files with 35 additions and 3 deletions
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11
firmware/kernel.h
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@ -41,6 +41,11 @@ struct event_queue
unsigned int write;
};
struct mutex
{
int count;
};
/* global tick variable */
extern long current_tick;
@ -53,7 +58,11 @@ int tick_add_task(void (*f)(void));
int tick_remove_task(void (*f)(void));
extern void queue_init(struct event_queue *q);
extern struct event *queue_wait(struct event_queue *q);
extern void queue_wait(struct event_queue *q, struct event *ev);
extern void queue_post(struct event_queue *q, int id, void *data);
extern void mutex_init(struct mutex *m);
extern void mutex_lock(struct mutex *m);
extern void mutex_unlock(struct mutex *m);
#endif