diff options
Diffstat (limited to 'drivers/staging/unisys/visorutil/charqueue.h')
| -rw-r--r-- | drivers/staging/unisys/visorutil/charqueue.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/staging/unisys/visorutil/charqueue.h b/drivers/staging/unisys/visorutil/charqueue.h new file mode 100644 index 000000000..f46a776b9 --- /dev/null +++ b/drivers/staging/unisys/visorutil/charqueue.h @@ -0,0 +1,37 @@ +/* charqueue.h + * + * Copyright (C) 2010 - 2013 UNISYS CORPORATION + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for more + * details. + */ + +#ifndef __CHARQUEUE_H__ +#define __CHARQUEUE_H__ + +#include "timskmod.h" + +/* struct charqueue is an opaque structure to users. + * Fields are declared only in the implementation .c files. + */ +struct charqueue; + +struct charqueue *visor_charqueue_create(ulong nslots); +void visor_charqueue_enqueue(struct charqueue *charqueue, unsigned char c); +int charqueue_dequeue(struct charqueue *charqueue); +int visor_charqueue_dequeue_n(struct charqueue *charqueue, unsigned char *buf, + int n); +BOOL visor_charqueue_is_empty(struct charqueue *charqueue); +void visor_charqueue_destroy(struct charqueue *charqueue); + +#endif + |