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Added queue_broadcast()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1253 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-06-29 21:19:55 +00:00
parent eb102e1a23
commit 2a73cec69b
3 changed files with 34 additions and 7 deletions
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7
firmware/kernel.h
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@ -32,6 +32,12 @@
#define QUEUE_LENGTH 16 /* MUST be a power of 2 */
#define QUEUE_LENGTH_MASK (QUEUE_LENGTH - 1)
/* System defined message ID's */
#define SYS_USB_CONNECTED -1
#define SYS_USB_CONNECTED_ACK -2
#define SYS_USB_DISCONNECTED -3
#define SYS_USB_DISCONNECTED_ACK -4
struct event
{
int id;
@ -65,6 +71,7 @@ extern void queue_init(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 bool queue_empty(struct event_queue* q);
extern int queue_broadcast(int id, void *data);
extern void mutex_init(struct mutex *m);
extern void mutex_lock(struct mutex *m);