libsmp/common/smp_subr.c

ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim/*
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * CDDL HEADER START
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * The contents of this file are subject to the terms of the
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * Common Development and Distribution License (the "License").
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * You may not use this file except in compliance with the License.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * or http://www.opensolaris.org/os/licensing.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * See the License for the specific language governing permissions
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * and limitations under the License.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * When distributing Covered Code, include this CDDL HEADER in each
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * If applicable, add the following below this CDDL HEADER, with the
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * fields enclosed by brackets "[]" replaced with your own identifying
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * information: Portions Copyright [yyyy] [name of copyright owner]
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * CDDL HEADER END
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim */
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim/*
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim */
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <sys/types.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <stddef.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <stdlib.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <string.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <strings.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <alloca.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <stdio.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <unistd.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <dlfcn.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <thread.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <pthread.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <ctype.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <scsi/libsmp.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include <scsi/libsmp_plugin.h>
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim#include "smp_impl.h"
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim__thread smp_errno_t _smp_errno;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim__thread char _smp_errmsg[LIBSMP_ERRMSGLEN];
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimint
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_assert(const char *expr, const char *file, int line)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    char *msg;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    size_t len;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    len = snprintf(NULL, 0,
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        "ABORT: \"%s\", line %d: assertion failed: %s\n", file, line, expr);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    msg = alloca(len + 1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    (void) snprintf(msg, len + 1,
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        "ABORT: \"%s\", line %d: assertion failed: %s\n", file, line, expr);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    (void) write(STDERR_FILENO, msg, strlen(msg));
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    abort();
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    _exit(1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    /*NOTREACHED*/
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (0);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimint
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_set_errno(smp_errno_t err)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    _smp_errno = err;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    _smp_errmsg[0] = '\0';
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (-1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim/*
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * Internal routine for setting both _smp_errno and _smp_errmsg.  We save
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * and restore the UNIX errno across this routing so the caller can use either
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * smp_set_errno(), smp_error(), or smp_verror() without this value changing.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim */
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimint
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_verror(smp_errno_t err, const char *fmt, va_list ap)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    size_t n;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    char *errmsg;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    /*
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * To allow the existing error message to itself be used in an error
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * message, we put the new error message into a buffer on the stack,
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * and then copy it into lsh_errmsg.  We also need to set the errno,
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * but because the call to smp_set_errno() is destructive to
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * lsh_errmsg, we do this after we print into our temporary buffer
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * (in case _smp_errmsg is part of the error message) and before we
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * copy the temporary buffer on to _smp_errmsg (to prevent our new
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     * message from being nuked by the call to smp_set_errno()).
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim     */
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    errmsg = alloca(sizeof (_smp_errmsg));
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    (void) vsnprintf(errmsg, sizeof (_smp_errmsg), fmt, ap);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    (void) smp_set_errno(err);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    n = strlen(errmsg);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (n != 0 && errmsg[n - 1] == '\n')
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        errmsg[n - 1] = '\0';
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    bcopy(errmsg, _smp_errmsg, n + 1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (-1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimint
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_error(smp_errno_t err, const char *fmt, ...)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    va_list ap;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (fmt == NULL)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (smp_set_errno(err));
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    va_start(ap, fmt);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    err = smp_verror(err, fmt, ap);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    va_end(ap);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (err);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_errno_t
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_errno(void)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (_smp_errno);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimconst char *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_errmsg(void)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (_smp_errmsg[0] == '\0')
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        (void) strlcpy(_smp_errmsg, smp_strerror(_smp_errno),
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim            sizeof (_smp_errmsg));
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (_smp_errmsg);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim/*ARGSUSED*/
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimvoid *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_alloc(size_t size)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    void *mem;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (size == 0) {
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        (void) smp_set_errno(ESMP_ZERO_LENGTH);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (NULL);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    }
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if ((mem = malloc(size)) == NULL)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        (void) smp_set_errno(ESMP_NOMEM);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (mem);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimvoid *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_zalloc(size_t size)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    void *mem;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if ((mem = smp_alloc(size)) == NULL)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (NULL);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    bzero(mem, size);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (mem);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimchar *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_strdup(const char *str)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    size_t len = strlen(str);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    char *dup = smp_alloc(len + 1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (dup == NULL)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (NULL);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (strcpy(dup, str));
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimvoid
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_free(void *ptr)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    free(ptr);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim/*
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * Trim any leading and/or trailing spaces from the fixed-length string
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim * argument and return a newly-allocated copy of it.
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim */
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimchar *
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_trim_strdup(const char *str, size_t len)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    const char *p;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    char *r;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    for (p = str; p - str < len && isspace(*p); p++)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        ;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    len -= (p - str);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (len == 0)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (NULL);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    for (str = p + len - 1; str > p && isspace(*str); str--, len--)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        ;
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (len == 0)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (NULL);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    r = smp_alloc(len + 1);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (r == NULL)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (NULL);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    bcopy(p, r, len);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    r[len] = '\0';
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (r);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimint
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_init(int version)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    if (version != LIBSMP_VERSION)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim        return (smp_error(ESMP_VERSION,
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim            "library version %d does not match requested version %d",
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim            LIBSMP_VERSION, version));
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    smp_engine_init();
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    return (0);
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimvoid
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kimsmp_fini(void)
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim{
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim    smp_engine_fini();
ac88567a7a5bb7f01cf22cf366bc9d6203e24d7aHyon Kim}