26 lines
665 B
C
26 lines
665 B
C
/*
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* usema/usemaclone-related stuff.
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*
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* `Inspired' by IRIX's sys/usioctl.h
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*
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* Mike.
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*/
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/* ioctls */
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#define UIOC ('u' << 16 | 's' << 8)
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#define UIOCATTACHSEMA (UIOC|2) /* attach to sema */
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#define UIOCBLOCK (UIOC|3) /* block sync "intr"? */
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#define UIOCABLOCK (UIOC|4) /* block async */
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#define UIOCNOIBLOCK (UIOC|5) /* IRIX: block sync intr
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Linux: block sync nointr */
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#define UIOCUNBLOCK (UIOC|6) /* unblock sync */
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#define UIOCAUNBLOCK (UIOC|7) /* unblock async */
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#define UIOCINIT (UIOC|8) /* init sema (async) */
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typedef struct usattach_s {
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dev_t us_dev; /* attach dev */
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void *us_handle; /* userland semaphore handle */
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} usattach_t;
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