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Diffstat (limited to 'include/asm-mips/usioctl.h')
| -rw-r--r-- | include/asm-mips/usioctl.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/asm-mips/usioctl.h b/include/asm-mips/usioctl.h new file mode 100644 index 000000000..b4edeb5cf --- /dev/null +++ b/include/asm-mips/usioctl.h @@ -0,0 +1,26 @@ +/* + * usema/usemaclone-related stuff. + * + * `Inspired' by IRIX's sys/usioctl.h + * + * Mike. + */ + +/* 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) /* block sync "intr"? + How is this different from + UIOCNOIBLOCK? */ +#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; + |