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Delete obsolete Solaris compat files

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These files have been unused ever since the OpenSolaris import

Sponsored by:	Axcient
MFC after:	2 weeks
Reviewed By:	freqlabs
Differential Revision: https://reviews.freebsd.org/D30371
This commit is contained in:
Alan Somers 2021-05-24 08:47:44 -06:00
parent 996afd401c
commit fc3ba3e9fa
8 changed files with 0 additions and 1487 deletions
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115
cddl/compat/opensolaris/misc/deviceid.c
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@ -1,115 +0,0 @@
/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <libgeom.h>
#include <devid.h>
int
devid_str_decode(char *devidstr, ddi_devid_t *retdevid, char **retminor_name)
{
if (strlcpy(retdevid->devid, devidstr, sizeof(retdevid->devid)) >=
sizeof(retdevid->devid)) {
return (EINVAL);
}
*retminor_name = strdup("");
if (*retminor_name == NULL)
return (ENOMEM);
return (0);
}
int
devid_deviceid_to_nmlist(char *search_path, ddi_devid_t devid, char *minor_name,
devid_nmlist_t **retlist)
{
char path[MAXPATHLEN];
char *dst;
if (g_get_name(devid.devid, path, sizeof(path)) == -1)
return (errno);
*retlist = malloc(sizeof(**retlist));
if (*retlist == NULL)
return (ENOMEM);
if (strlcpy((*retlist)[0].devname, path,
sizeof((*retlist)[0].devname)) >= sizeof((*retlist)[0].devname)) {
free(*retlist);
return (ENAMETOOLONG);
}
return (0);
}
void
devid_str_free(char *str)
{
free(str);
}
void
devid_free(ddi_devid_t devid)
{
/* Do nothing. */
}
void
devid_free_nmlist(devid_nmlist_t *list)
{
free(list);
}
int
devid_get(int fd, ddi_devid_t *retdevid)
{
return (ENOENT);
}
int
devid_get_minor_name(int fd, char **retminor_name)
{
*retminor_name = strdup("");
if (*retminor_name == NULL)
return (ENOMEM);
return (0);
}
char *
devid_str_encode(ddi_devid_t devid, char *minor_name)
{
return (strdup(devid.devid));
}

262
cddl/compat/opensolaris/misc/fsshare.c
View File

@ -1,262 +0,0 @@
/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <fsshare.h>
#include <libutil.h>
#include <pathnames.h> /* _PATH_MOUNTDPID */
#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#define FILE_HEADER "# !!! DO NOT EDIT THIS FILE MANUALLY !!!\n\n"
#define OPTSSIZE 1024
#define MAXLINESIZE (PATH_MAX + OPTSSIZE)
static void
restart_mountd(void)
{
struct pidfh *pfh;
pid_t mountdpid;
pfh = pidfile_open(_PATH_MOUNTDPID, 0600, &mountdpid);
if (pfh != NULL) {
/* Mountd is not running. */
pidfile_remove(pfh);
return;
}
if (errno != EEXIST) {
/* Cannot open pidfile for some reason. */
return;
}
/* We have mountd(8) PID in mountdpid varible. */
kill(mountdpid, SIGHUP);
}
/*
* Read one line from a file. Skip comments, empty lines and a line with a
* mountpoint specified in the 'skip' argument.
*/
static char *
zgetline(FILE *fd, const char *skip)
{
static char line[MAXLINESIZE];
size_t len, skiplen;
char *s, last;
if (skip != NULL)
skiplen = strlen(skip);
for (;;) {
s = fgets(line, sizeof(line), fd);
if (s == NULL)
return (NULL);
/* Skip empty lines and comments. */
if (line[0] == '\n' || line[0] == '#')
continue;
len = strlen(line);
if (line[len - 1] == '\n')
line[len - 1] = '\0';
last = line[skiplen];
/* Skip the given mountpoint. */
if (skip != NULL && strncmp(skip, line, skiplen) == 0 &&
(last == '\t' || last == ' ' || last == '\0')) {
continue;
}
break;
}
return (line);
}
/*
* Function translate options to a format acceptable by exports(5), eg.
*
* -ro -network=192.168.0.0 -mask=255.255.255.0 -maproot=0 freefall.freebsd.org 69.147.83.54
*
* Accepted input formats:
*
* ro,network=192.168.0.0,mask=255.255.255.0,maproot=0,freefall.freebsd.org
* ro network=192.168.0.0 mask=255.255.255.0 maproot=0 freefall.freebsd.org
* -ro,-network=192.168.0.0,-mask=255.255.255.0,-maproot=0,freefall.freebsd.org
* -ro -network=192.168.0.0 -mask=255.255.255.0 -maproot=0 freefall.freebsd.org
*
* Recognized keywords:
*
* ro, maproot, mapall, mask, network, sec, alldirs, public, webnfs, index, quiet
*
*/
static const char *known_opts[] = { "ro", "maproot", "mapall", "mask",
"network", "sec", "alldirs", "public", "webnfs", "index", "quiet", NULL };
static char *
translate_opts(const char *shareopts)
{
static char newopts[OPTSSIZE];
char oldopts[OPTSSIZE];
char *o, *s = NULL;
unsigned int i;
size_t len;
strlcpy(oldopts, shareopts, sizeof(oldopts));
newopts[0] = '\0';
s = oldopts;
while ((o = strsep(&s, "-, ")) != NULL) {
if (o[0] == '\0')
continue;
for (i = 0; known_opts[i] != NULL; i++) {
len = strlen(known_opts[i]);
if (strncmp(known_opts[i], o, len) == 0 &&
(o[len] == '\0' || o[len] == '=')) {
strlcat(newopts, "-", sizeof(newopts));
break;
}
}
strlcat(newopts, o, sizeof(newopts));
strlcat(newopts, " ", sizeof(newopts));
}
return (newopts);
}
static int
fsshare_main(const char *file, const char *mountpoint, const char *shareopts,
int share)
{
char tmpfile[PATH_MAX];
char *line;
FILE *newfd, *oldfd;
int fd, error;
newfd = oldfd = NULL;
error = 0;
/*
* Create temporary file in the same directory, so we can atomically
* rename it.
*/
if (strlcpy(tmpfile, file, sizeof(tmpfile)) >= sizeof(tmpfile))
return (ENAMETOOLONG);
if (strlcat(tmpfile, ".XXXXXXXX", sizeof(tmpfile)) >= sizeof(tmpfile))
return (ENAMETOOLONG);
fd = mkstemp(tmpfile);
if (fd == -1)
return (errno);
/*
* File name is random, so we don't really need file lock now, but it
* will be needed after rename(2).
*/
error = flock(fd, LOCK_EX);
assert(error == 0 || (error == -1 && errno == EOPNOTSUPP));
newfd = fdopen(fd, "r+");
assert(newfd != NULL);
/* Open old exports file. */
oldfd = fopen(file, "r");
if (oldfd == NULL) {
if (share) {
if (errno != ENOENT) {
error = errno;
goto out;
}
} else {
/* If there is no exports file, ignore the error. */
if (errno == ENOENT)
errno = 0;
error = errno;
goto out;
}
} else {
error = flock(fileno(oldfd), LOCK_EX);
assert(error == 0 || (error == -1 && errno == EOPNOTSUPP));
error = 0;
}
/* Place big, fat warning at the begining of the file. */
fprintf(newfd, "%s", FILE_HEADER);
while (oldfd != NULL && (line = zgetline(oldfd, mountpoint)) != NULL)
fprintf(newfd, "%s\n", line);
if (oldfd != NULL && ferror(oldfd) != 0) {
error = ferror(oldfd);
goto out;
}
if (ferror(newfd) != 0) {
error = ferror(newfd);
goto out;
}
if (share) {
fprintf(newfd, "%s\t%s\n", mountpoint,
translate_opts(shareopts));
}
out:
if (error != 0)
unlink(tmpfile);
else {
if (rename(tmpfile, file) == -1) {
error = errno;
unlink(tmpfile);
} else {
fflush(newfd);
/*
* Send SIGHUP to mountd, but unlock exports file later.
*/
restart_mountd();
}
}
if (oldfd != NULL) {
flock(fileno(oldfd), LOCK_UN);
fclose(oldfd);
}
if (newfd != NULL) {
flock(fileno(newfd), LOCK_UN);
fclose(newfd);
}
return (error);
}
/*
* Add the given mountpoint to the given exports file.
*/
int
fsshare(const char *file, const char *mountpoint, const char *shareopts)
{
return (fsshare_main(file, mountpoint, shareopts, 1));
}
/*
* Remove the given mountpoint from the given exports file.
*/
int
fsunshare(const char *file, const char *mountpoint)
{
return (fsshare_main(file, mountpoint, NULL, 0));
}

215
cddl/compat/opensolaris/misc/mkdirp.c
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@ -1,215 +0,0 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
* $FreeBSD$
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "@(#)mkdirp.c 1.15 06/01/04 SMI"
/*
* Creates directory and it's parents if the parents do not
* exist yet.
*
* Returns -1 if fails for reasons other than non-existing
* parents.
* Does NOT simplify pathnames with . or .. in them.
*/
#include <sys/types.h>
#include <libgen.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
static char *simplify(const char *str);
int
mkdirp(const char *d, mode_t mode)
{
char *endptr, *ptr, *slash, *str;
str = simplify(d);
/* If space couldn't be allocated for the simplified names, return. */
if (str == NULL)
return (-1);
/* Try to make the directory */
if (mkdir(str, mode) == 0) {
free(str);
return (0);
}
if (errno != ENOENT) {
free(str);
return (-1);
}
endptr = strrchr(str, '\0');
slash = strrchr(str, '/');
/* Search upward for the non-existing parent */
while (slash != NULL) {
ptr = slash;
*ptr = '\0';
/* If reached an existing parent, break */
if (access(str, F_OK) == 0)
break;
/* If non-existing parent */
else {
slash = strrchr(str, '/');
/* If under / or current directory, make it. */
if (slash == NULL || slash == str) {
if (mkdir(str, mode) != 0 && errno != EEXIST) {
free(str);
return (-1);
}
break;
}
}
}
/* Create directories starting from upmost non-existing parent */
while ((ptr = strchr(str, '\0')) != endptr) {
*ptr = '/';
if (mkdir(str, mode) != 0 && errno != EEXIST) {
/*
* If the mkdir fails because str already
* exists (EEXIST), then str has the form
* "existing-dir/..", and this is really
* ok. (Remember, this loop is creating the
* portion of the path that didn't exist)
*/
free(str);
return (-1);
}
}
free(str);
return (0);
}
/*
* simplify - given a pathname, simplify that path by removing
* duplicate contiguous slashes.
*
* A simplified copy of the argument is returned to the
* caller, or NULL is returned on error.
*
* The caller should handle error reporting based upon the
* returned vlaue, and should free the returned value,
* when appropriate.
*/
static char *
simplify(const char *str)
{
int i;
size_t mbPathlen; /* length of multi-byte path */
size_t wcPathlen; /* length of wide-character path */
wchar_t *wptr; /* scratch pointer */
wchar_t *wcPath; /* wide-character version of the path */
char *mbPath; /* The copy fo the path to be returned */
/*
* bail out if there is nothing there.
*/
if (!str)
return (NULL);
/*
* Get a copy of the argument.
*/
if ((mbPath = strdup(str)) == NULL) {
return (NULL);
}
/*
* convert the multi-byte version of the path to a
* wide-character rendering, for doing our figuring.
*/
mbPathlen = strlen(mbPath);
if ((wcPath = calloc(sizeof (wchar_t), mbPathlen+1)) == NULL) {
free(mbPath);
return (NULL);
}
if ((wcPathlen = mbstowcs(wcPath, mbPath, mbPathlen)) == (size_t)-1) {
free(mbPath);
free(wcPath);
return (NULL);
}
/*
* remove duplicate slashes first ("//../" -> "/")
*/
for (wptr = wcPath, i = 0; i < wcPathlen; i++) {
*wptr++ = wcPath[i];
if (wcPath[i] == '/') {
i++;
while (wcPath[i] == '/') {
i++;
}
i--;
}
}
*wptr = '\0';
/*
* now convert back to the multi-byte format.
*/
if (wcstombs(mbPath, wcPath, mbPathlen) == (size_t)-1) {
free(mbPath);
free(wcPath);
return (NULL);
}
free(wcPath);
return (mbPath);
}

216
cddl/compat/opensolaris/misc/mnttab.c
View File

@ -1,216 +0,0 @@
/*-
* Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* This file implements Solaris compatible getmntany() and hasmntopt()
* functions.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/mntent.h>
#include <sys/mnttab.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static char *
mntopt(char **p)
{
char *cp = *p;
char *retstr;
while (*cp && isspace(*cp))
cp++;
retstr = cp;
while (*cp && *cp != ',')
cp++;
if (*cp) {
*cp = '\0';
cp++;
}
*p = cp;
return (retstr);
}
char *
hasmntopt(struct mnttab *mnt, char *opt)
{
char tmpopts[MNT_LINE_MAX];
char *f, *opts = tmpopts;
if (mnt->mnt_mntopts == NULL)
return (NULL);
(void) strcpy(opts, mnt->mnt_mntopts);
f = mntopt(&opts);
for (; *f; f = mntopt(&opts)) {
if (strncmp(opt, f, strlen(opt)) == 0)
return (f - tmpopts + mnt->mnt_mntopts);
}
return (NULL);
}
static void
optadd(char *mntopts, size_t size, const char *opt)
{
if (mntopts[0] != '\0')
strlcat(mntopts, ",", size);
strlcat(mntopts, opt, size);
}
void
statfs2mnttab(struct statfs *sfs, struct mnttab *mp)
{
static char mntopts[MNTMAXSTR];
long flags;
mntopts[0] = '\0';
flags = sfs->f_flags;
#define OPTADD(opt) optadd(mntopts, sizeof(mntopts), (opt))
if (flags & MNT_RDONLY)
OPTADD(MNTOPT_RO);
else
OPTADD(MNTOPT_RW);
if (flags & MNT_NOSUID)
OPTADD(MNTOPT_NOSUID);
else
OPTADD(MNTOPT_SETUID);
if (flags & MNT_UPDATE)
OPTADD(MNTOPT_REMOUNT);
if (flags & MNT_NOATIME)
OPTADD(MNTOPT_NOATIME);
else
OPTADD(MNTOPT_ATIME);
OPTADD(MNTOPT_NOXATTR);
if (flags & MNT_NOEXEC)
OPTADD(MNTOPT_NOEXEC);
else
OPTADD(MNTOPT_EXEC);
#undef OPTADD
mp->mnt_special = sfs->f_mntfromname;
mp->mnt_mountp = sfs->f_mntonname;
mp->mnt_fstype = sfs->f_fstypename;
mp->mnt_mntopts = mntopts;
}
static struct statfs *gsfs = NULL;
static int allfs = 0;
static int
statfs_init(void)
{
struct statfs *sfs;
int error;
if (gsfs != NULL) {
free(gsfs);
gsfs = NULL;
}
allfs = getfsstat(NULL, 0, MNT_WAIT);
if (allfs == -1)
goto fail;
gsfs = malloc(sizeof(gsfs[0]) * allfs * 2);
if (gsfs == NULL)
goto fail;
allfs = getfsstat(gsfs, (long)(sizeof(gsfs[0]) * allfs * 2),
MNT_WAIT);
if (allfs == -1)
goto fail;
sfs = realloc(gsfs, allfs * sizeof(gsfs[0]));
if (sfs != NULL)
gsfs = sfs;
return (0);
fail:
error = errno;
if (gsfs != NULL)
free(gsfs);
gsfs = NULL;
allfs = 0;
return (error);
}
int
getmntany(FILE *fd __unused, struct mnttab *mgetp, struct mnttab *mrefp)
{
struct statfs *sfs;
int i, error;
error = statfs_init();
if (error != 0)
return (error);
for (i = 0; i < allfs; i++) {
if (mrefp->mnt_special != NULL &&
strcmp(mrefp->mnt_special, gsfs[i].f_mntfromname) != 0) {
continue;
}
if (mrefp->mnt_mountp != NULL &&
strcmp(mrefp->mnt_mountp, gsfs[i].f_mntonname) != 0) {
continue;
}
if (mrefp->mnt_fstype != NULL &&
strcmp(mrefp->mnt_fstype, gsfs[i].f_fstypename) != 0) {
continue;
}
statfs2mnttab(&gsfs[i], mgetp);
return (0);
}
return (-1);
}
int
getmntent(FILE *fp, struct mnttab *mp)
{
struct statfs *sfs;
int error, nfs;
nfs = (int)lseek(fileno(fp), 0, SEEK_CUR);
if (nfs == -1)
return (errno);
/* If nfs is 0, we want to refresh out cache. */
if (nfs == 0 || gsfs == NULL) {
error = statfs_init();
if (error != 0)
return (error);
}
if (nfs >= allfs)
return (-1);
statfs2mnttab(&gsfs[nfs], mp);
if (lseek(fileno(fp), 1, SEEK_CUR) == -1)
return (errno);
return (0);
}

428
cddl/compat/opensolaris/misc/thread_pool.c
View File

@ -1,428 +0,0 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdlib.h>
#include <signal.h>
#include <errno.h>
#include "thread_pool_impl.h"
typedef void (*_Voidfp)(void*); /* pointer to extern "C" function */
static void
delete_pool(tpool_t *tpool)
{
tpool_job_t *job;
/*
* There should be no pending jobs, but just in case...
*/
for (job = tpool->tp_head; job != NULL; job = tpool->tp_head) {
tpool->tp_head = job->tpj_next;
free(job);
}
(void) pthread_attr_destroy(&tpool->tp_attr);
free(tpool);
}
/*
* Worker thread is terminating.
*/
static void
worker_cleanup(void *arg)
{
tpool_t *tpool = arg;
if (--tpool->tp_current == 0 &&
(tpool->tp_flags & (TP_DESTROY | TP_ABANDON))) {
if (tpool->tp_flags & TP_ABANDON) {
pthread_mutex_unlock(&tpool->tp_mutex);
delete_pool(tpool);
return;
}
if (tpool->tp_flags & TP_DESTROY)
(void) pthread_cond_broadcast(&tpool->tp_busycv);
}
pthread_mutex_unlock(&tpool->tp_mutex);
}
static void
notify_waiters(tpool_t *tpool)
{
if (tpool->tp_head == NULL && tpool->tp_active == NULL) {
tpool->tp_flags &= ~TP_WAIT;
(void) pthread_cond_broadcast(&tpool->tp_waitcv);
}
}
/*
* Called by a worker thread on return from a tpool_dispatch()d job.
*/
static void
job_cleanup(void *arg)
{
tpool_t *tpool = arg;
pthread_t my_tid = pthread_self();
tpool_active_t *activep;
tpool_active_t **activepp;
pthread_mutex_lock(&tpool->tp_mutex);
/* CSTYLED */
for (activepp = &tpool->tp_active;; activepp = &activep->tpa_next) {
activep = *activepp;
if (activep->tpa_tid == my_tid) {
*activepp = activep->tpa_next;
break;
}
}
if (tpool->tp_flags & TP_WAIT)
notify_waiters(tpool);
}
static void *
tpool_worker(void *arg)
{
tpool_t *tpool = (tpool_t *)arg;
int elapsed;
tpool_job_t *job;
void (*func)(void *);
tpool_active_t active;
sigset_t maskset;
pthread_mutex_lock(&tpool->tp_mutex);
pthread_cleanup_push(worker_cleanup, tpool);
/*
* This is the worker's main loop.
* It will only be left if a timeout or an error has occured.
*/
active.tpa_tid = pthread_self();
for (;;) {
elapsed = 0;
tpool->tp_idle++;
if (tpool->tp_flags & TP_WAIT)
notify_waiters(tpool);
while ((tpool->tp_head == NULL ||
(tpool->tp_flags & TP_SUSPEND)) &&
!(tpool->tp_flags & (TP_DESTROY | TP_ABANDON))) {
if (tpool->tp_current <= tpool->tp_minimum ||
tpool->tp_linger == 0) {
(void) pthread_cond_wait(&tpool->tp_workcv,
&tpool->tp_mutex);
} else {
struct timespec timeout;
clock_gettime(CLOCK_MONOTONIC, &timeout);
timeout.tv_sec += tpool->tp_linger;
if (pthread_cond_timedwait(&tpool->tp_workcv,
&tpool->tp_mutex, &timeout) != 0) {
elapsed = 1;
break;
}
}
}
tpool->tp_idle--;
if (tpool->tp_flags & TP_DESTROY)
break;
if (tpool->tp_flags & TP_ABANDON) {
/* can't abandon a suspended pool */
if (tpool->tp_flags & TP_SUSPEND) {
tpool->tp_flags &= ~TP_SUSPEND;
(void) pthread_cond_broadcast(&tpool->tp_workcv);
}
if (tpool->tp_head == NULL)
break;
}
if ((job = tpool->tp_head) != NULL &&
!(tpool->tp_flags & TP_SUSPEND)) {
elapsed = 0;
func = job->tpj_func;
arg = job->tpj_arg;
tpool->tp_head = job->tpj_next;
if (job == tpool->tp_tail)
tpool->tp_tail = NULL;
tpool->tp_njobs--;
active.tpa_next = tpool->tp_active;
tpool->tp_active = &active;
pthread_mutex_unlock(&tpool->tp_mutex);
pthread_cleanup_push(job_cleanup, tpool);
free(job);
/*
* Call the specified function.
*/
func(arg);
/*
* We don't know what this thread has been doing,
* so we reset its signal mask and cancellation
* state back to the initial values.
*/
sigfillset(&maskset);
(void) pthread_sigmask(SIG_SETMASK, &maskset, NULL);
(void) pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED,
NULL);
(void) pthread_setcancelstate(PTHREAD_CANCEL_ENABLE,
NULL);
pthread_cleanup_pop(1);
}
if (elapsed && tpool->tp_current > tpool->tp_minimum) {
/*
* We timed out and there is no work to be done
* and the number of workers exceeds the minimum.
* Exit now to reduce the size of the pool.
*/
break;
}
}
pthread_cleanup_pop(1);
return (arg);
}
/*
* Create a worker thread, with all signals blocked.
*/
static int
create_worker(tpool_t *tpool)
{
sigset_t maskset, oset;
pthread_t thread;
int error;
sigfillset(&maskset);
(void) pthread_sigmask(SIG_SETMASK, &maskset, &oset);
error = pthread_create(&thread, &tpool->tp_attr, tpool_worker, tpool);
(void) pthread_sigmask(SIG_SETMASK, &oset, NULL);
return (error);
}
tpool_t *
tpool_create(uint_t min_threads, uint_t max_threads, uint_t linger,
pthread_attr_t *attr)
{
tpool_t *tpool;
int error;
if (min_threads > max_threads || max_threads < 1) {
errno = EINVAL;
return (NULL);
}
tpool = calloc(1, sizeof (*tpool));
if (tpool == NULL) {
errno = ENOMEM;
return (NULL);
}
(void) pthread_mutex_init(&tpool->tp_mutex, NULL);
(void) pthread_cond_init(&tpool->tp_busycv, NULL);
(void) pthread_cond_init(&tpool->tp_workcv, NULL);
(void) pthread_cond_init(&tpool->tp_waitcv, NULL);
tpool->tp_minimum = min_threads;
tpool->tp_maximum = max_threads;
tpool->tp_linger = linger;
/* make all pool threads be detached daemon threads */
(void) pthread_attr_init(&tpool->tp_attr);
(void) pthread_attr_setdetachstate(&tpool->tp_attr,
PTHREAD_CREATE_DETACHED);
return (tpool);
}
/*
* Dispatch a work request to the thread pool.
* If there are idle workers, awaken one.
* Else, if the maximum number of workers has
* not been reached, spawn a new worker thread.
* Else just return with the job added to the queue.
*/
int
tpool_dispatch(tpool_t *tpool, void (*func)(void *), void *arg)
{
tpool_job_t *job;
if ((job = calloc(1, sizeof (*job))) == NULL)
return (-1);
job->tpj_next = NULL;
job->tpj_func = func;
job->tpj_arg = arg;
pthread_mutex_lock(&tpool->tp_mutex);
if (tpool->tp_head == NULL)
tpool->tp_head = job;
else
tpool->tp_tail->tpj_next = job;
tpool->tp_tail = job;
tpool->tp_njobs++;
if (!(tpool->tp_flags & TP_SUSPEND)) {
if (tpool->tp_idle > 0)
(void) pthread_cond_signal(&tpool->tp_workcv);
else if (tpool->tp_current < tpool->tp_maximum &&
create_worker(tpool) == 0)
tpool->tp_current++;
}
pthread_mutex_unlock(&tpool->tp_mutex);
return (0);
}
/*
* Assumes: by the time tpool_destroy() is called no one will use this
* thread pool in any way and no one will try to dispatch entries to it.
* Calling tpool_destroy() from a job in the pool will cause deadlock.
*/
void
tpool_destroy(tpool_t *tpool)
{
tpool_active_t *activep;
pthread_mutex_lock(&tpool->tp_mutex);
pthread_cleanup_push((_Voidfp)pthread_mutex_unlock, &tpool->tp_mutex);
/* mark the pool as being destroyed; wakeup idle workers */
tpool->tp_flags |= TP_DESTROY;
tpool->tp_flags &= ~TP_SUSPEND;
(void) pthread_cond_broadcast(&tpool->tp_workcv);
/* cancel all active workers */
for (activep = tpool->tp_active; activep; activep = activep->tpa_next)
(void) pthread_cancel(activep->tpa_tid);
/* wait for all active workers to finish */
while (tpool->tp_active != NULL) {
tpool->tp_flags |= TP_WAIT;
(void) pthread_cond_wait(&tpool->tp_waitcv, &tpool->tp_mutex);
}
/* the last worker to terminate will wake us up */
while (tpool->tp_current != 0)
(void) pthread_cond_wait(&tpool->tp_busycv, &tpool->tp_mutex);
pthread_cleanup_pop(1); /* pthread_mutex_unlock(&tpool->tp_mutex); */
delete_pool(tpool);
}
/*
* Like tpool_destroy(), but don't cancel workers or wait for them to finish.
* The last worker to terminate will delete the pool.
*/
void
tpool_abandon(tpool_t *tpool)
{
pthread_mutex_lock(&tpool->tp_mutex);
if (tpool->tp_current == 0) {
/* no workers, just delete the pool */
pthread_mutex_unlock(&tpool->tp_mutex);
delete_pool(tpool);
} else {
/* wake up all workers, last one will delete the pool */
tpool->tp_flags |= TP_ABANDON;
tpool->tp_flags &= ~TP_SUSPEND;
(void) pthread_cond_broadcast(&tpool->tp_workcv);
pthread_mutex_unlock(&tpool->tp_mutex);
}
}
/*
* Wait for all jobs to complete.
* Calling tpool_wait() from a job in the pool will cause deadlock.
*/
void
tpool_wait(tpool_t *tpool)
{
pthread_mutex_lock(&tpool->tp_mutex);
pthread_cleanup_push((_Voidfp)pthread_mutex_unlock, &tpool->tp_mutex);
while (tpool->tp_head != NULL || tpool->tp_active != NULL) {
tpool->tp_flags |= TP_WAIT;
(void) pthread_cond_wait(&tpool->tp_waitcv, &tpool->tp_mutex);
}
pthread_cleanup_pop(1); /* pthread_mutex_unlock(&tpool->tp_mutex); */
}
void
tpool_suspend(tpool_t *tpool)
{
pthread_mutex_lock(&tpool->tp_mutex);
tpool->tp_flags |= TP_SUSPEND;
pthread_mutex_unlock(&tpool->tp_mutex);
}
int
tpool_suspended(tpool_t *tpool)
{
int suspended;
pthread_mutex_lock(&tpool->tp_mutex);
suspended = (tpool->tp_flags & TP_SUSPEND) != 0;
pthread_mutex_unlock(&tpool->tp_mutex);
return (suspended);
}
void
tpool_resume(tpool_t *tpool)
{
int excess;
pthread_mutex_lock(&tpool->tp_mutex);
if (!(tpool->tp_flags & TP_SUSPEND)) {
pthread_mutex_unlock(&tpool->tp_mutex);
return;
}
tpool->tp_flags &= ~TP_SUSPEND;
(void) pthread_cond_broadcast(&tpool->tp_workcv);
excess = tpool->tp_njobs - tpool->tp_idle;
while (excess-- > 0 && tpool->tp_current < tpool->tp_maximum) {
if (create_worker(tpool) != 0)
break; /* pthread_create() failed */
tpool->tp_current++;
}
pthread_mutex_unlock(&tpool->tp_mutex);
}
int
tpool_member(tpool_t *tpool)
{
pthread_t my_tid = pthread_self();
tpool_active_t *activep;
pthread_mutex_lock(&tpool->tp_mutex);
for (activep = tpool->tp_active; activep; activep = activep->tpa_next) {
if (activep->tpa_tid == my_tid) {
pthread_mutex_unlock(&tpool->tp_mutex);
return (1);
}
}
pthread_mutex_unlock(&tpool->tp_mutex);
return (0);
}

99
cddl/compat/opensolaris/misc/thread_pool_impl.h
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@ -1,99 +0,0 @@
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* $FreeBSD$
*/
#ifndef _THREAD_POOL_IMPL_H
#define _THREAD_POOL_IMPL_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <thread_pool.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Thread pool implementation definitions.
* See <thread_pool.h> for interface declarations.
*/
/*
* FIFO queued job
*/
typedef struct tpool_job tpool_job_t;
struct tpool_job {
tpool_job_t *tpj_next; /* list of jobs */
void (*tpj_func)(void *); /* function to call */
void *tpj_arg; /* its argument */
};
/*
* List of active threads, linked through their stacks.
*/
typedef struct tpool_active tpool_active_t;
struct tpool_active {
tpool_active_t *tpa_next; /* list of active threads */
pthread_t tpa_tid; /* active thread id */
};
/*
* The thread pool.
*/
struct tpool {
tpool_t *tp_forw; /* circular list of all thread pools */
tpool_t *tp_back;
mutex_t tp_mutex; /* protects the pool data */
cond_t tp_busycv; /* synchronization in tpool_dispatch */
cond_t tp_workcv; /* synchronization with workers */
cond_t tp_waitcv; /* synchronization in tpool_wait() */
tpool_active_t *tp_active; /* threads performing work */
tpool_job_t *tp_head; /* FIFO job queue */
tpool_job_t *tp_tail;
pthread_attr_t tp_attr; /* attributes of the workers */
int tp_flags; /* see below */
uint_t tp_linger; /* seconds before idle workers exit */
int tp_njobs; /* number of jobs in job queue */
int tp_minimum; /* minimum number of worker threads */
int tp_maximum; /* maximum number of worker threads */
int tp_current; /* current number of worker threads */
int tp_idle; /* number of idle workers */
};
/* tp_flags */
#define TP_WAIT 0x01 /* waiting in tpool_wait() */
#define TP_SUSPEND 0x02 /* pool is being suspended */
#define TP_DESTROY 0x04 /* pool is being destroyed */
#define TP_ABANDON 0x08 /* pool is abandoned (auto-destroy) */
#ifdef __cplusplus
}
#endif
#endif /* _THREAD_POOL_IMPL_H */

106
cddl/compat/opensolaris/misc/zmount.c
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@ -1,106 +0,0 @@
/*-
* Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* This file implements Solaris compatible zmount() function.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/uio.h>
#include <sys/mntent.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mnttab.h>
static void
build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val,
size_t len)
{
int i;
if (*iovlen < 0)
return;
i = *iovlen;
*iov = realloc(*iov, sizeof(**iov) * (i + 2));
if (*iov == NULL) {
*iovlen = -1;
return;
}
(*iov)[i].iov_base = strdup(name);
(*iov)[i].iov_len = strlen(name) + 1;
i++;
(*iov)[i].iov_base = val;
if (len == (size_t)-1) {
if (val != NULL)
len = strlen(val) + 1;
else
len = 0;
}
(*iov)[i].iov_len = (int)len;
*iovlen = ++i;
}
int
zmount(const char *spec, const char *dir, int mflag, char *fstype,
char *dataptr, int datalen, char *optptr, int optlen)
{
struct iovec *iov;
char *optstr, *os, *p, *tofree;
int iovlen, rv;
assert(spec != NULL);
assert(dir != NULL);
assert(mflag == 0 || mflag == MS_RDONLY);
assert(fstype != NULL);
assert(strcmp(fstype, MNTTYPE_ZFS) == 0);
assert(dataptr == NULL);
assert(datalen == 0);
assert(optptr != NULL);
assert(optlen > 0);
tofree = optstr = strdup(optptr);
assert(optstr != NULL);
iov = NULL;
iovlen = 0;
if (mflag & MS_RDONLY)
build_iovec(&iov, &iovlen, "ro", NULL, 0);
build_iovec(&iov, &iovlen, "fstype", fstype, (size_t)-1);
build_iovec(&iov, &iovlen, "fspath", __DECONST(char *, dir),
(size_t)-1);
build_iovec(&iov, &iovlen, "from", __DECONST(char *, spec), (size_t)-1);
while ((p = strsep(&optstr, ",/")) != NULL)
build_iovec(&iov, &iovlen, p, NULL, (size_t)-1);
rv = nmount(iov, iovlen, 0);
free(tofree);
return (rv);
}

46
cddl/compat/opensolaris/misc/zone.c
View File

@ -1,46 +0,0 @@
/*-
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <stdlib.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/sysctl.h>
#include <sys/zone.h>
zoneid_t
getzoneid(void)
{
size_t size;
int jailid;
/* Information that we are in jail or not is enough for our needs. */
size = sizeof(jailid);
if (sysctlbyname("security.jail.jailed", &jailid, &size, NULL, 0) == -1)
assert(!"No security.jail.jailed sysctl!");
return ((zoneid_t)jailid);
}