66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/* $NetBSD: pthread_makelwp_netbsd.c,v 1.2 2014/12/17 01:49:08 pooka Exp $ */
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/*-
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* Copyright (c) 2001, 2002, 2003, 2006, 2007, 2008 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Nathan J. Williams and Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: pthread_makelwp_netbsd.c,v 1.2 2014/12/17 01:49:08 pooka Exp $");
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#include <sys/param.h>
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#include <lwp.h>
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#include <pthread.h>
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#include <string.h>
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#include "pthread_int.h"
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#include "pthread_makelwp.h"
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int
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pthread__makelwp(void (*start_routine)(void *), void *arg, void *priv,
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void *stack_base, size_t stack_size,
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unsigned long flag, lwpid_t *newlid)
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{
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ucontext_t uc;
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/*
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* XXX: most of the following chunk is these days
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* performed also by _lwp_makecontext(), but there may
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* be MD differences, so lug everything along for now.
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*/
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memset(&uc, 0, sizeof(uc));
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_INITCONTEXT_U(&uc);
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uc.uc_stack.ss_sp = stack_base;
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uc.uc_stack.ss_size = stack_size;
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uc.uc_stack.ss_flags = 0;
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uc.uc_link = NULL;
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_lwp_makecontext(&uc, start_routine, arg, priv, stack_base, stack_size);
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return _lwp_create(&uc, flag, newlid);
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}
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