usioctl.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:1k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * usema/usemaclone-related stuff.
- *
- * `Inspired' by IRIX's sys/usioctl.h
- *
- * Mike.
- */
- #ifndef _ASM_USIOCTL_H
- #define _ASM_USIOCTL_H
- /* ioctls */
- #define UIOC ('u' << 16 | 's' << 8)
- #define UIOCATTACHSEMA (UIOC|2) /* attach to sema */
- #define UIOCBLOCK (UIOC|3) /* block sync "intr"? */
- #define UIOCABLOCK (UIOC|4) /* block async */
- #define UIOCNOIBLOCK (UIOC|5) /* IRIX: block sync intr
- Linux: block sync nointr */
- #define UIOCUNBLOCK (UIOC|6) /* unblock sync */
- #define UIOCAUNBLOCK (UIOC|7) /* unblock async */
- #define UIOCINIT (UIOC|8) /* init sema (async) */
- typedef struct usattach_s {
- dev_t us_dev; /* attach dev */
- void *us_handle; /* userland semaphore handle */
- } usattach_t;
- #endif /* _ASM_USIOCTL_H */