1 .\" $NetBSD: sa_register.2,v 1.2 2004/03/14 10:19:59 snj Exp $
3 .\" Copyright (c)2004 YAMAMOTO Takashi,
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27 .\" ------------------------------------------------------------
33 .Nd register a scheduler activation upcall handler
34 .\" ------------------------------------------------------------
37 .\" ------------------------------------------------------------
45 "ssize_t stackinfo_offset"
46 .\" ------------------------------------------------------------
49 is used to prepare scheduler activation.
50 It registers the upcall handler specified by
56 the previous handler will be returned to the location pointed by it.
62 is used to locate per upcall stack memory areas shared between
65 is a byte offset from the corresponding upcall stack.
66 .\" ------------------------------------------------------------
69 returns zero on success.
70 Otherwise, a value of \-1 is returned and
72 is set to indicate the error.
73 .\" ------------------------------------------------------------