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 $NetBSD: sa_stacks.2,v 1.6 2004/12/12 05:56:45 snj Exp $

Copyright (c)2004 YAMAMOTO Takashi,
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.Dd December 12, 2004 .Dt SA_STACKS 2 .Os .Sh NAME .Nm sa_stacks .Nd register scheduler activation upcall stacks ------------------------------------------------------------
.Sh LIBRARY .Lb libc ------------------------------------------------------------
.Sh SYNOPSIS n sa.h .Ft int .Fn sa_stacks \ "int num" \ "stack_t *stacks" ------------------------------------------------------------
.Sh DESCRIPTION .Fn sa_stacks is used to register scheduler activation upcall stacks. .Fa stacks is an array of .Fa num of .Vt stack_t .

p An upcall handler should be registered by .Fn sa_register beforehand. ------------------------------------------------------------
.Sh RETURN VALUES On success, .Fn sa_stacks returns the number of stacks registered. Otherwise, a value of -1 is returned and .Va errno is set to indicate the error. ------------------------------------------------------------
.Sh SEE ALSO .Xr sa_register 2 , .Xr pthread 3