844fcfc979
Builds a libpthread that can be dropped into a NetBSD 2/3/4 chroot. This makes threading work in the chroot when using a NetBSD 5 kernel, no other modifications required.
156 lines
3.4 KiB
C
156 lines
3.4 KiB
C
/* $NetBSD: pthread_compat.c,v 1.1 2008/09/29 08:48:15 ad Exp $ */
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/*-
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* Copyright (c) 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 developed for The NetBSD Foundation
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* by 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_compat.c,v 1.1 2008/09/29 08:48:15 ad Exp $");
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#include <sys/param.h>
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#include <sys/syscall.h>
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#include <lwp.h>
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#include <unistd.h>
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#include <sched.h>
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#include "pthread.h"
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#include "pthread_int.h"
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static void __pthread_init(void) __attribute__((__constructor__, __used__));
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void __libc_thr_init(void);
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void __libc_atomic_init(void);
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int _sys_sched_yield(void);
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static void
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__pthread_init(void)
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{
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__libc_thr_init();
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__libc_atomic_init();
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}
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int
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_lwp_kill(lwpid_t a, int b)
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{
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return syscall(SYS__lwp_kill, a, b);
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}
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int
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_lwp_detach(lwpid_t a)
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{
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return syscall(SYS__lwp_detach, a);
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}
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int
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_lwp_park(const struct timespec *a, lwpid_t b, const void *c, const void *d)
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{
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return syscall(SYS__lwp_park, a, b, c, d);
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}
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int
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_lwp_unpark(lwpid_t a, const void *b)
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{
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return syscall(SYS__lwp_unpark, a, b);
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}
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ssize_t
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_lwp_unpark_all(const lwpid_t *a, size_t b, const void *c)
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{
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return syscall(SYS__lwp_unpark_all, a, b, c);
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}
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int
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_lwp_setname(lwpid_t a, const char *b)
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{
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return syscall(SYS__lwp_setname, a, b);
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}
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int
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_lwp_getname(lwpid_t a, char *b, size_t c)
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{
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return syscall(SYS__lwp_getname, a, b, c);
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}
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int
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_lwp_ctl(int a, struct lwpctl **b)
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{
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return syscall(SYS__lwp_ctl, a, b);
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}
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int
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_sys_sched_yield(void)
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{
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return syscall(SYS_sched_yield);
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}
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int
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sched_yield(void)
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{
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return syscall(SYS_sched_yield);
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}
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int
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_sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d)
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{
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return syscall(SYS__sched_setaffinity, a, b, c, d);
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}
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int
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_sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d)
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{
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return syscall(SYS__sched_getaffinity, a, b, c, d);
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}
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int
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_sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d)
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{
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return syscall(SYS__sched_setparam, a, b, c, d);
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}
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int
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_sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d)
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{
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return syscall(SYS__sched_getparam, a, b, c, d);
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}
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