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Introduce KB_POLLED flag to struct keyboard's kb_flags field.

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Reviewed by:	freebsd-current@, freebsd-hackers@
MFC after:	1 week
This commit is contained in:
emax 2009-04-09 18:31:33 +00:00
parent 33034a467e
commit 07979d5fb8
1 changed files with 4 additions and 0 deletions
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4
sys/dev/kbd/kbdreg.h
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@ -60,6 +60,7 @@ struct keyboard {
#define KB_INITIALIZED (1 << 19) /* device initialized */
#define KB_REGISTERED (1 << 20) /* device registered to kbdio */
#define KB_BUSY (1 << 21) /* device used by a client */
#define KB_POLLED (1 << 22) /* device is polled */
int kb_active; /* 0: inactive */
void *kb_token; /* id of the current client */
keyboard_callback_t kb_callback;/* callback function */
@ -107,6 +108,9 @@ struct keyboard {
#define KBD_IS_BUSY(k) ((k)->kb_flags & KB_BUSY)
#define KBD_BUSY(k) ((k)->kb_flags |= KB_BUSY)
#define KBD_UNBUSY(k) ((k)->kb_flags &= ~KB_BUSY)
#define KBD_IS_POLLED(k) ((k)->kb_flags & KB_POLLED)
#define KBD_POLL(k) ((k)->kb_flags |= KB_POLLED)
#define KBD_UNPOLL(k) ((k)->kb_flags &= ~KB_POLLED)
#define KBD_IS_ACTIVE(k) ((k)->kb_active)
#define KBD_ACTIVATE(k) (++(k)->kb_active)
#define KBD_DEACTIVATE(k) (--(k)->kb_active)