Adding upstream version 1.7.2.upstream/1.7.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

9 files changed, 1693 insertions, 0 deletions

diff --git a/misc/unix/charset.c b/misc/unix/charset.c
new file mode 100644
index 0000000..a16310c
--- /dev/null
+++ b/misc/unix/charset.c
@@ -0,0 +1,83 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_private.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+
+#ifdef HAVE_LANGINFO_H
+#include <langinfo.h>
+#endif
+
+/*
+ * simple heuristic to determine codepage of source code so that
+ * literal strings (e.g., "GET /\r\n") in source code can be translated
+ * properly
+ *
+ * If appropriate, a symbol can be set at configure time to determine
+ * this.  On EBCDIC platforms, it will be important how the code was
+ * unpacked.
+ */
+
+APR_DECLARE(const char*) apr_os_default_encoding (apr_pool_t *pool)
+{
+#ifdef __MVS__
+#    ifdef __CODESET__
+        return __CODESET__;
+#    else
+        return "IBM-1047";
+#    endif
+#endif
+
+    if ('}' == 0xD0) {
+        return "IBM-1047";
+    }
+
+    if ('{' == 0xFB) {
+        return "EDF04";
+    }
+
+    if ('A' == 0xC1) {
+        return "EBCDIC"; /* not useful */
+    }
+
+    if ('A' == 0x41) {
+        return "ISO-8859-1"; /* not necessarily true */
+    }
+
+    return "unknown";
+}
+
+
+APR_DECLARE(const char*) apr_os_locale_encoding (apr_pool_t *pool)
+{
+#if defined(HAVE_NL_LANGINFO) && defined(CODESET)
+    const char *charset;
+
+    charset = nl_langinfo(CODESET);
+    if (charset && *charset) {
+#ifdef _OSD_POSIX /* Bug workaround - delete as soon as fixed in OSD_POSIX */
+        /* Some versions of OSD_POSIX return nl_langinfo(CODESET)="^[nN]" */
+        /* Ignore the bogus information and use apr_os_default_encoding() */
+        if (charset[0] != '^')
+#endif
+        return apr_pstrdup(pool, charset);
+    }
+#endif
+
+    return apr_os_default_encoding(pool);
+}
diff --git a/misc/unix/env.c b/misc/unix/env.c
new file mode 100644
index 0000000..b41f8f1
--- /dev/null
+++ b/misc/unix/env.c
@@ -0,0 +1,88 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define APR_WANT_STRFUNC
+#include "apr_want.h"
+#include "apr.h"
+#include "apr_private.h"
+#include "apr_env.h"
+#include "apr_strings.h"
+
+#if APR_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if APR_HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+APR_DECLARE(apr_status_t) apr_env_get(char **value,
+                                      const char *envvar,
+                                      apr_pool_t *pool)
+{
+#ifdef HAVE_GETENV
+
+    char *val = getenv(envvar);
+    if (!val)
+        return APR_ENOENT;
+    *value = val;
+    return APR_SUCCESS;
+
+#else
+    return APR_ENOTIMPL;
+#endif
+}
+
+
+APR_DECLARE(apr_status_t) apr_env_set(const char *envvar,
+                                      const char *value,
+                                      apr_pool_t *pool)
+{
+#if defined(HAVE_SETENV)
+
+    if (0 > setenv(envvar, value, 1))
+        return APR_ENOMEM;
+    return APR_SUCCESS;
+
+#elif defined(HAVE_PUTENV)
+
+    if (0 > putenv(apr_pstrcat(pool, envvar, "=", value, NULL)))
+        return APR_ENOMEM;
+    return APR_SUCCESS;
+
+#else
+    return APR_ENOTIMPL;
+#endif
+}
+
+
+APR_DECLARE(apr_status_t) apr_env_delete(const char *envvar, apr_pool_t *pool)
+{
+#ifdef HAVE_UNSETENV
+
+    unsetenv(envvar);
+    return APR_SUCCESS;
+
+#else
+    /* hint: some platforms allow envvars to be unset via
+     *       putenv("varname")...  that isn't Single Unix spec,
+     *       but if your platform doesn't have unsetenv() it is
+     *       worth investigating and potentially adding a
+     *       configure check to decide when to use that form of
+     *       putenv() here
+     */
+    return APR_ENOTIMPL;
+#endif
+}
diff --git a/misc/unix/errorcodes.c b/misc/unix/errorcodes.c
new file mode 100644
index 0000000..60ea2f7
--- /dev/null
+++ b/misc/unix/errorcodes.c
@@ -0,0 +1,443 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_misc.h"
+#include "apr_strings.h"
+#include "apr_lib.h"
+#include "apr_dso.h"
+
+#if APR_HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef HAVE_DLFCN_H
+#include <dlfcn.h>
+#endif
+
+/*
+ * stuffbuffer - like apr_cpystrn() but returns the address of the
+ * dest buffer instead of the address of the terminating '\0'
+ */
+static char *stuffbuffer(char *buf, apr_size_t bufsize, const char *s)
+{
+    apr_cpystrn(buf,s,bufsize);
+    return buf;
+}
+
+static char *apr_error_string(apr_status_t statcode)
+{
+    switch (statcode) {
+    case APR_ENOSTAT:
+        return "Could not perform a stat on the file.";
+    case APR_ENOPOOL:
+        return "A new pool could not be created.";
+    case APR_EBADDATE:
+        return "An invalid date has been provided";
+    case APR_EINVALSOCK:
+        return "An invalid socket was returned";
+    case APR_ENOPROC:
+        return "No process was provided and one was required.";
+    case APR_ENOTIME:
+        return "No time was provided and one was required.";
+    case APR_ENODIR:
+        return "No directory was provided and one was required.";
+    case APR_ENOLOCK:
+        return "No lock was provided and one was required.";
+    case APR_ENOPOLL:
+        return "No poll structure was provided and one was required.";
+    case APR_ENOSOCKET:
+        return "No socket was provided and one was required.";
+    case APR_ENOTHREAD:
+        return "No thread was provided and one was required.";
+    case APR_ENOTHDKEY:
+        return "No thread key structure was provided and one was required.";
+    case APR_ENOSHMAVAIL:
+        return "No shared memory is currently available";
+    case APR_EDSOOPEN:
+#if APR_HAS_DSO && defined(HAVE_LIBDL)
+        return dlerror();
+#else
+        return "DSO load failed";
+#endif /* HAVE_LIBDL */
+    case APR_EBADIP:
+        return "The specified IP address is invalid.";
+    case APR_EBADMASK:
+        return "The specified network mask is invalid.";
+    case APR_ESYMNOTFOUND:
+        return "Could not find the requested symbol.";
+    case APR_ENOTENOUGHENTROPY:
+        return "Not enough entropy to continue.";
+    case APR_INCHILD:
+        return
+	    "Your code just forked, and you are currently executing in the "
+	    "child process";
+    case APR_INPARENT:
+        return
+	    "Your code just forked, and you are currently executing in the "
+	    "parent process";
+    case APR_DETACH:
+        return "The specified thread is detached";
+    case APR_NOTDETACH:
+        return "The specified thread is not detached";
+    case APR_CHILD_DONE:
+        return "The specified child process is done executing";
+    case APR_CHILD_NOTDONE:
+        return "The specified child process is not done executing";
+    case APR_TIMEUP:
+        return "The timeout specified has expired";
+    case APR_INCOMPLETE:
+        return "Partial results are valid but processing is incomplete";
+    case APR_BADCH:
+        return "Bad character specified on command line";
+    case APR_BADARG:
+        return "Missing parameter for the specified command line option";
+    case APR_EOF:
+        return "End of file found";
+    case APR_NOTFOUND:
+        return "Could not find specified socket in poll list.";
+    case APR_ANONYMOUS:
+        return "Shared memory is implemented anonymously";
+    case APR_FILEBASED:
+        return "Shared memory is implemented using files";
+    case APR_KEYBASED:
+        return "Shared memory is implemented using a key system";
+    case APR_EINIT:
+        return
+	    "There is no error, this value signifies an initialized "
+	    "error code";
+    case APR_ENOTIMPL:
+        return "This function has not been implemented on this platform";
+    case APR_EMISMATCH:
+        return "passwords do not match";
+    case APR_EABSOLUTE:
+        return "The given path is absolute";
+    case APR_ERELATIVE:
+        return "The given path is relative";
+    case APR_EINCOMPLETE:
+        return "The given path is incomplete";
+    case APR_EABOVEROOT:
+        return "The given path was above the root path";
+    case APR_EBADPATH:
+        return "The given path is misformatted or contained invalid characters";
+    case APR_EPATHWILD:
+        return "The given path contained wildcard characters";
+    case APR_EBUSY:
+        return "The given lock was busy.";
+    case APR_EPROC_UNKNOWN:
+        return "The process is not recognized.";
+    case APR_EGENERAL:
+        return "Internal error (specific information not available)";
+    default:
+        return "Error string not specified yet";
+    }
+}
+
+
+#ifdef OS2
+#include <ctype.h>
+
+int apr_canonical_error(apr_status_t err);
+
+static char *apr_os_strerror(char* buf, apr_size_t bufsize, int err)
+{
+  char result[200];
+  unsigned char message[HUGE_STRING_LEN];
+  ULONG len;
+  char *pos;
+  int c;
+  
+  if (err >= 10000 && err < 12000) {  /* socket error codes */
+      return stuffbuffer(buf, bufsize,
+                         strerror(apr_canonical_error(err+APR_OS_START_SYSERR)));
+  } 
+  else if (DosGetMessage(NULL, 0, message, HUGE_STRING_LEN, err,
+			 "OSO001.MSG", &len) == 0) {
+      len--;
+      message[len] = 0;
+      pos = result;
+  
+      if (len >= sizeof(result))
+        len = sizeof(result) - 1;
+
+      for (c=0; c<len; c++) {
+	  /* skip multiple whitespace */
+          while (apr_isspace(message[c]) && apr_isspace(message[c+1]))
+              c++;
+          *(pos++) = apr_isspace(message[c]) ? ' ' : message[c];
+      }
+  
+      *pos = 0;
+  } 
+  else {
+      sprintf(result, "OS/2 error %d", err);
+  }
+
+  /* Stuff the string into the caller supplied buffer, then return 
+   * a pointer to it.
+   */
+  return stuffbuffer(buf, bufsize, result);  
+}
+
+#elif defined(WIN32) || (defined(NETWARE) && defined(USE_WINSOCK))
+
+static const struct {
+    apr_status_t code;
+    const char *msg;
+} gaErrorList[] = {
+    {WSAEINTR,           "Interrupted system call"},
+    {WSAEBADF,           "Bad file number"},
+    {WSAEACCES,          "Permission denied"},
+    {WSAEFAULT,          "Bad address"},
+    {WSAEINVAL,          "Invalid argument"},
+    {WSAEMFILE,          "Too many open sockets"},
+    {WSAEWOULDBLOCK,     "Operation would block"},
+    {WSAEINPROGRESS,     "Operation now in progress"},
+    {WSAEALREADY,        "Operation already in progress"},
+    {WSAENOTSOCK,        "Socket operation on non-socket"},
+    {WSAEDESTADDRREQ,    "Destination address required"},
+    {WSAEMSGSIZE,        "Message too long"},
+    {WSAEPROTOTYPE,      "Protocol wrong type for socket"},
+    {WSAENOPROTOOPT,     "Bad protocol option"},
+    {WSAEPROTONOSUPPORT, "Protocol not supported"},
+    {WSAESOCKTNOSUPPORT, "Socket type not supported"},
+    {WSAEOPNOTSUPP,      "Operation not supported on socket"},
+    {WSAEPFNOSUPPORT,    "Protocol family not supported"},
+    {WSAEAFNOSUPPORT,    "Address family not supported"},
+    {WSAEADDRINUSE,      "Address already in use"},
+    {WSAEADDRNOTAVAIL,   "Can't assign requested address"},
+    {WSAENETDOWN,        "Network is down"},
+    {WSAENETUNREACH,     "Network is unreachable"},
+    {WSAENETRESET,       "Net connection reset"},
+    {WSAECONNABORTED,    "Software caused connection abort"},
+    {WSAECONNRESET,      "Connection reset by peer"},
+    {WSAENOBUFS,         "No buffer space available"},
+    {WSAEISCONN,         "Socket is already connected"},
+    {WSAENOTCONN,        "Socket is not connected"},
+    {WSAESHUTDOWN,       "Can't send after socket shutdown"},
+    {WSAETOOMANYREFS,    "Too many references, can't splice"},
+    {WSAETIMEDOUT,       "Connection timed out"},
+    {WSAECONNREFUSED,    "Connection refused"},
+    {WSAELOOP,           "Too many levels of symbolic links"},
+    {WSAENAMETOOLONG,    "File name too long"},
+    {WSAEHOSTDOWN,       "Host is down"},
+    {WSAEHOSTUNREACH,    "No route to host"},
+    {WSAENOTEMPTY,       "Directory not empty"},
+    {WSAEPROCLIM,        "Too many processes"},
+    {WSAEUSERS,          "Too many users"},
+    {WSAEDQUOT,          "Disc quota exceeded"},
+    {WSAESTALE,          "Stale NFS file handle"},
+    {WSAEREMOTE,         "Too many levels of remote in path"},
+    {WSASYSNOTREADY,     "Network system is unavailable"},
+    {WSAVERNOTSUPPORTED, "Winsock version out of range"},
+    {WSANOTINITIALISED,  "WSAStartup not yet called"},
+    {WSAEDISCON,         "Graceful shutdown in progress"},
+    {WSAHOST_NOT_FOUND,  "Host not found"},
+    {WSANO_DATA,         "No host data of that type was found"},
+    {0,                  NULL}
+};
+
+
+static char *apr_os_strerror(char *buf, apr_size_t bufsize, apr_status_t errcode)
+{
+    apr_size_t len=0, i;
+
+#ifndef NETWARE
+#ifndef _WIN32_WCE
+    len = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM 
+                      | FORMAT_MESSAGE_IGNORE_INSERTS,
+                        NULL,
+                        errcode,
+                        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
+                        buf,
+                        (DWORD)bufsize,
+                        NULL);
+#else /* _WIN32_WCE speaks unicode */
+     LPTSTR msg = (LPTSTR) buf;
+     len = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM 
+                       | FORMAT_MESSAGE_IGNORE_INSERTS,
+                         NULL,
+                         errcode,
+                         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */
+                         msg,
+                         (DWORD) (bufsize/sizeof(TCHAR)),
+                         NULL);
+     /* in-place convert to US-ASCII, substituting '?' for non ASCII   */
+     for(i = 0; i <= len; i++) {
+        if (msg[i] < 0x80 && msg[i] >= 0) {
+            buf[i] = (char) msg[i];
+        } else {
+            buf[i] = '?';
+        }
+    }
+#endif
+#endif
+
+    if (!len) {
+        for (i = 0; gaErrorList[i].msg; ++i) {
+            if (gaErrorList[i].code == errcode) {
+                apr_cpystrn(buf, gaErrorList[i].msg, bufsize);
+                len = strlen(buf);
+                break;
+            }
+        }
+    }
+
+    if (len) {
+        /* FormatMessage put the message in the buffer, but it may
+         * have embedded a newline (\r\n), and possible more than one.
+         * Remove the newlines replacing them with a space. This is not
+         * as visually perfect as moving all the remaining message over,
+         * but more efficient.
+         */
+        i = len;
+        while (i) {
+            i--;
+            if ((buf[i] == '\r') || (buf[i] == '\n'))
+                buf[i] = ' ';
+        }
+    }
+    else {
+        /* Windows didn't provide us with a message.  Even stuff like                    * WSAECONNREFUSED won't get a message.
+         */
+        apr_snprintf(buf, bufsize, "Unrecognized Win32 error code %d", errcode);
+    }
+
+    return buf;
+}
+
+#else
+/* On Unix, apr_os_strerror() handles error codes from the resolver 
+ * (h_errno). 
+ */
+static char *apr_os_strerror(char* buf, apr_size_t bufsize, int err) 
+{
+#ifdef HAVE_HSTRERROR
+    return stuffbuffer(buf, bufsize, hstrerror(err));
+#else /* HAVE_HSTRERROR */
+    const char *msg;
+
+    switch(err) {
+    case HOST_NOT_FOUND:
+        msg = "Unknown host";
+        break;
+#if defined(NO_DATA)
+    case NO_DATA:
+#if defined(NO_ADDRESS) && (NO_DATA != NO_ADDRESS)
+    case NO_ADDRESS:
+#endif
+        msg = "No address for host";
+        break;
+#elif defined(NO_ADDRESS)
+    case NO_ADDRESS:
+        msg = "No address for host";
+        break;
+#endif /* NO_DATA */
+    default:
+        msg = "Unrecognized resolver error";
+    }
+    return stuffbuffer(buf, bufsize, msg);
+#endif /* HAVE_STRERROR */
+}
+#endif
+
+#if defined(HAVE_STRERROR_R) && defined(STRERROR_R_RC_INT) && !defined(BEOS)
+/* AIX and Tru64 style */
+static char *native_strerror(apr_status_t statcode, char *buf,
+                             apr_size_t bufsize)
+{
+    if (strerror_r(statcode, buf, bufsize) < 0) {
+        return stuffbuffer(buf, bufsize, 
+                           "APR does not understand this error code");
+    }
+    else {
+        return buf;
+    }
+}
+#elif defined(HAVE_STRERROR_R)
+/* glibc style */
+
+/* BeOS has the function available, but it doesn't provide
+ * the prototype publicly (doh!), so to avoid a build warning
+ * we add a suitable prototype here.
+ */
+#if defined(BEOS)
+const char *strerror_r(apr_status_t, char *, apr_size_t);
+#endif
+
+static char *native_strerror(apr_status_t statcode, char *buf,
+                             apr_size_t bufsize)
+{
+    const char *msg;
+
+    buf[0] = '\0';
+    msg = strerror_r(statcode, buf, bufsize);
+    if (buf[0] == '\0') { /* libc didn't use our buffer */
+        return stuffbuffer(buf, bufsize, msg);
+    }
+    else {
+        return buf;
+    }
+}
+#else
+/* plain old strerror(); 
+ * thread-safe on some platforms (e.g., Solaris, OS/390)
+ */
+static char *native_strerror(apr_status_t statcode, char *buf,
+                             apr_size_t bufsize)
+{
+#ifdef _WIN32_WCE
+    static char err[32];
+    sprintf(err, "Native Error #%d", statcode);
+    return stuffbuffer(buf, bufsize, err);
+#else
+    const char *err = strerror(statcode);
+    if (err) {
+        return stuffbuffer(buf, bufsize, err);
+    } else {
+        return stuffbuffer(buf, bufsize, 
+                           "APR does not understand this error code");
+    }
+#endif
+}
+#endif
+
+APR_DECLARE(char *) apr_strerror(apr_status_t statcode, char *buf,
+                                 apr_size_t bufsize)
+{
+    if (statcode < APR_OS_START_ERROR) {
+        return native_strerror(statcode, buf, bufsize);
+    }
+    else if (statcode < APR_OS_START_USERERR) {
+        return stuffbuffer(buf, bufsize, apr_error_string(statcode));
+    }
+    else if (statcode < APR_OS_START_EAIERR) {
+        return stuffbuffer(buf, bufsize, "APR does not understand this error code");
+    }
+    else if (statcode < APR_OS_START_SYSERR) {
+#if defined(HAVE_GAI_STRERROR)
+        statcode -= APR_OS_START_EAIERR;
+#if defined(NEGATIVE_EAI)
+        statcode = -statcode;
+#endif
+        return stuffbuffer(buf, bufsize, gai_strerror(statcode));
+#else
+        return stuffbuffer(buf, bufsize, "APR does not understand this error code");
+#endif
+    }
+    else {
+        return apr_os_strerror(buf, bufsize, statcode - APR_OS_START_SYSERR);
+    }
+}
+
diff --git a/misc/unix/getopt.c b/misc/unix/getopt.c
new file mode 100644
index 0000000..24be3c8
--- /dev/null
+++ b/misc/unix/getopt.c
@@ -0,0 +1,309 @@
+/*
+ * Copyright (c) 1987, 1993, 1994
+ *      The Regents of the University of California.  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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "apr_arch_misc.h"
+#include "apr_strings.h"
+#include "apr_lib.h"
+
+#define EMSG    ""
+
+APR_DECLARE(apr_status_t) apr_getopt_init(apr_getopt_t **os, apr_pool_t *cont,
+                                      int argc, const char *const *argv)
+{
+    void *argv_buff;
+
+    *os = apr_palloc(cont, sizeof(apr_getopt_t));
+    (*os)->cont = cont;
+    (*os)->reset = 0;
+    (*os)->errfn = (apr_getopt_err_fn_t*)(fprintf);
+    (*os)->errarg = (void*)(stderr);
+
+    (*os)->place = EMSG;
+    (*os)->argc = argc;
+
+    /* The argv parameter must be compatible with main()'s argv, since
+       that's the primary purpose of this function.  But people might
+       want to use this function with arrays other than the main argv,
+       and we shouldn't touch the caller's data.  So we copy. */
+    argv_buff = apr_palloc(cont, (argc + 1) * sizeof(const char *));
+    memcpy(argv_buff, argv, argc * sizeof(const char *));
+    (*os)->argv = argv_buff;
+    (*os)->argv[argc] = NULL;
+
+    (*os)->interleave = 0;
+    (*os)->ind = 1;
+    (*os)->skip_start = 1;
+    (*os)->skip_end = 1;
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_getopt(apr_getopt_t *os, const char *opts, 
+                                     char *optch, const char **optarg)
+{
+    const char *oli;  /* option letter list index */
+
+    if (os->reset || !*os->place) {   /* update scanning pointer */
+        os->reset = 0;
+        if (os->ind >= os->argc || *(os->place = os->argv[os->ind]) != '-') {
+            os->place = EMSG;
+            *optch = os->opt;
+            return (APR_EOF);
+        }
+        if (os->place[1] && *++os->place == '-') {        /* found "--" */
+            ++os->ind;
+            os->place = EMSG;
+            *optch = os->opt;
+            return (APR_EOF);
+        }
+    }                                /* option letter okay? */
+    if ((os->opt = (int) *os->place++) == (int) ':' ||
+        !(oli = strchr(opts, os->opt))) {
+        /*
+         * if the user didn't specify '-' as an option,
+         * assume it means -1.
+         */
+        if (os->opt == (int) '-') {
+            *optch = os->opt;
+            return (APR_EOF);
+        }
+        if (!*os->place)
+            ++os->ind;
+        if (os->errfn && *opts != ':') {
+            (os->errfn)(os->errarg, "%s: illegal option -- %c\n",
+                        apr_filepath_name_get(*os->argv), os->opt);
+        }
+        *optch = os->opt;
+        return (APR_BADCH);
+    }
+    if (*++oli != ':') {        /* don't need argument */
+        *optarg = NULL;
+        if (!*os->place)
+            ++os->ind;
+    }
+    else {                        /* need an argument */
+        if (*os->place)                /* no white space */
+            *optarg = os->place;
+        else if (os->argc <= ++os->ind) {        /* no arg */
+            os->place = EMSG;
+            if (*opts == ':') {
+                *optch = os->opt;
+                return (APR_BADARG);
+            }
+            if (os->errfn) {
+                (os->errfn)(os->errarg, 
+                            "%s: option requires an argument -- %c\n",
+                            apr_filepath_name_get(*os->argv), os->opt);
+            }
+            *optch = os->opt;
+            return (APR_BADCH);
+        }
+        else                        /* white space */
+            *optarg = os->argv[os->ind];
+        os->place = EMSG;
+        ++os->ind;
+    }
+    *optch = os->opt;
+    return APR_SUCCESS;
+}
+
+/* Reverse the sequence argv[start..start+len-1]. */
+static void reverse(const char **argv, int start, int len)
+{
+    const char *temp;
+
+    for (; len >= 2; start++, len -= 2) {
+        temp = argv[start];
+        argv[start] = argv[start + len - 1];
+        argv[start + len - 1] = temp;
+    }
+}
+
+/*
+ * Permute os->argv with the goal that non-option arguments will all
+ * appear at the end.  os->skip_start is where we started skipping
+ * non-option arguments, os->skip_end is where we stopped, and os->ind
+ * is where we are now.
+ */
+static void permute(apr_getopt_t *os)
+{
+    int len1 = os->skip_end - os->skip_start;
+    int len2 = os->ind - os->skip_end;
+
+    if (os->interleave) {
+        /*
+         * Exchange the sequences argv[os->skip_start..os->skip_end-1] and
+         * argv[os->skip_end..os->ind-1].  The easiest way to do that is
+         * to reverse the entire range and then reverse the two
+         * sub-ranges.
+         */
+        reverse(os->argv, os->skip_start, len1 + len2);
+        reverse(os->argv, os->skip_start, len2);
+        reverse(os->argv, os->skip_start + len2, len1);
+    }
+
+    /* Reset skip range to the new location of the non-option sequence. */
+    os->skip_start += len2;
+    os->skip_end += len2;
+}
+
+/* Helper function to print out an error involving a long option */
+static apr_status_t serr(apr_getopt_t *os, const char *err, const char *str,
+                         apr_status_t status)
+{
+    if (os->errfn)
+        (os->errfn)(os->errarg, "%s: %s: %s\n", 
+                    apr_filepath_name_get(*os->argv), err, str);
+    return status;
+}
+
+/* Helper function to print out an error involving a short option */
+static apr_status_t cerr(apr_getopt_t *os, const char *err, int ch,
+                         apr_status_t status)
+{
+    if (os->errfn)
+        (os->errfn)(os->errarg, "%s: %s: %c\n", 
+                    apr_filepath_name_get(*os->argv), err, ch);
+    return status;
+}
+
+APR_DECLARE(apr_status_t) apr_getopt_long(apr_getopt_t *os,
+                                          const apr_getopt_option_t *opts,
+                                          int *optch, const char **optarg)
+{
+    const char *p;
+    int i;
+
+    /* Let the calling program reset option processing. */
+    if (os->reset) {
+        os->place = EMSG;
+        os->ind = 1;
+        os->reset = 0;
+    }
+
+    /*
+     * We can be in one of two states: in the middle of processing a
+     * run of short options, or about to process a new argument.
+     * Since the second case can lead to the first one, handle that
+     * one first.  */
+    p = os->place;
+    if (*p == '\0') {
+        /* If we are interleaving, skip non-option arguments. */
+        if (os->interleave) {
+            while (os->ind < os->argc && *os->argv[os->ind] != '-')
+                os->ind++;
+            os->skip_end = os->ind;
+        }
+        if (os->ind >= os->argc || *os->argv[os->ind] != '-') {
+            os->ind = os->skip_start;
+            return APR_EOF;
+        }
+
+        p = os->argv[os->ind++] + 1;
+        if (*p == '-' && p[1] != '\0') {        /* Long option */
+            /* Search for the long option name in the caller's table. */
+            apr_size_t len = 0;
+
+            p++;
+            for (i = 0; ; i++) {
+                if (opts[i].optch == 0)             /* No match */
+                    return serr(os, "invalid option", p - 2, APR_BADCH);
+
+                if (opts[i].name) {
+                    len = strlen(opts[i].name);
+                    if (strncmp(p, opts[i].name, len) == 0
+                        && (p[len] == '\0' || p[len] == '='))
+                        break;
+                }
+            }
+            *optch = opts[i].optch;
+
+            if (opts[i].has_arg) {
+                if (p[len] == '=')             /* Argument inline */
+                    *optarg = p + len + 1;
+                else { 
+                    if (os->ind >= os->argc)   /* Argument missing */
+                        return serr(os, "missing argument", p - 2, APR_BADARG);
+                    else                       /* Argument in next arg */
+                        *optarg = os->argv[os->ind++];
+                }
+            } else {
+                *optarg = NULL;
+                if (p[len] == '=')
+                    return serr(os, "erroneous argument", p - 2, APR_BADARG);
+            }
+            permute(os);
+            return APR_SUCCESS;
+        } else {
+            if (*p == '-') {                 /* Bare "--"; we're done */
+                permute(os);
+                os->ind = os->skip_start;
+                return APR_EOF;
+            }
+            else 
+                if (*p == '\0')                    /* Bare "-" is illegal */
+                    return serr(os, "invalid option", p, APR_BADCH);
+        }
+    }
+
+    /*
+     * Now we're in a run of short options, and *p is the next one.
+     * Look for it in the caller's table.
+     */
+    for (i = 0; ; i++) {
+        if (opts[i].optch == 0)                     /* No match */
+            return cerr(os, "invalid option character", *p, APR_BADCH);
+
+        if (*p == opts[i].optch)
+            break;
+    }
+    *optch = *p++;
+
+    if (opts[i].has_arg) {
+        if (*p != '\0')                         /* Argument inline */
+            *optarg = p;
+        else { 
+            if (os->ind >= os->argc)           /* Argument missing */
+                return cerr(os, "missing argument", *optch, APR_BADARG);
+            else                               /* Argument in next arg */
+                *optarg = os->argv[os->ind++];
+        }
+        os->place = EMSG;
+    } else {
+        *optarg = NULL;
+        os->place = p;
+    }
+
+    permute(os);
+    return APR_SUCCESS;
+}
diff --git a/misc/unix/otherchild.c b/misc/unix/otherchild.c
new file mode 100644
index 0000000..427a57e
--- /dev/null
+++ b/misc/unix/otherchild.c
@@ -0,0 +1,221 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_arch_misc.h"
+#include "apr_arch_threadproc.h"
+#include "apr_arch_file_io.h"
+
+#if APR_HAS_OTHER_CHILD
+
+#ifdef HAVE_TIME_H
+#include <sys/time.h>
+#endif
+#ifdef HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+#if APR_HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+#ifdef BEOS
+#include <sys/socket.h> /* for fd_set definition! */
+#endif
+
+static apr_other_child_rec_t *other_children = NULL;
+
+static apr_status_t other_child_cleanup(void *data)
+{
+    apr_other_child_rec_t **pocr, *nocr;
+
+    for (pocr = &other_children; *pocr; pocr = &(*pocr)->next) {
+        if ((*pocr)->data == data) {
+            nocr = (*pocr)->next;
+            (*(*pocr)->maintenance) (APR_OC_REASON_UNREGISTER, (*pocr)->data, -1);
+            *pocr = nocr;
+            /* XXX: um, well we've just wasted some space in pconf ? */
+            return APR_SUCCESS;
+        }
+    }
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(void) apr_proc_other_child_register(apr_proc_t *proc,
+                     void (*maintenance) (int reason, void *, int status),
+                     void *data, apr_file_t *write_fd, apr_pool_t *p)
+{
+    apr_other_child_rec_t *ocr;
+
+    ocr = apr_palloc(p, sizeof(*ocr));
+    ocr->p = p;
+    ocr->proc = proc;
+    ocr->maintenance = maintenance;
+    ocr->data = data;
+    if (write_fd == NULL) {
+        ocr->write_fd = (apr_os_file_t) -1;
+    }
+    else {
+#ifdef WIN32
+        /* This should either go away as part of eliminating apr_proc_probe_writable_fds
+         * or write_fd should point to an apr_file_t
+         */
+        ocr->write_fd = write_fd->filehand; 
+#else
+        ocr->write_fd = write_fd->filedes;
+#endif
+
+    }
+    ocr->next = other_children;
+    other_children = ocr;
+    apr_pool_cleanup_register(p, ocr->data, other_child_cleanup, 
+                              apr_pool_cleanup_null);
+}
+
+APR_DECLARE(void) apr_proc_other_child_unregister(void *data)
+{
+    apr_other_child_rec_t *cur;
+
+    cur = other_children;
+    while (cur) {
+        if (cur->data == data) {
+            break;
+        }
+        cur = cur->next;
+    }
+
+    /* segfault if this function called with invalid parm */
+    apr_pool_cleanup_kill(cur->p, cur->data, other_child_cleanup);
+    other_child_cleanup(data);
+}
+
+APR_DECLARE(apr_status_t) apr_proc_other_child_alert(apr_proc_t *proc,
+                                                     int reason,
+                                                     int status)
+{
+    apr_other_child_rec_t *ocr, *nocr;
+
+    for (ocr = other_children; ocr; ocr = nocr) {
+        nocr = ocr->next;
+        if (ocr->proc->pid != proc->pid)
+            continue;
+
+        ocr->proc = NULL;
+        (*ocr->maintenance) (reason, ocr->data, status);
+        return APR_SUCCESS;
+    }
+    return APR_EPROC_UNKNOWN;
+}
+
+APR_DECLARE(void) apr_proc_other_child_refresh(apr_other_child_rec_t *ocr,
+                                               int reason)
+{
+    /* Todo: 
+     * Implement code to detect if pipes are still alive.
+     */
+#ifdef WIN32
+    DWORD status;
+
+    if (ocr->proc == NULL)
+        return;
+
+    if (!ocr->proc->hproc) {
+        /* Already mopped up, perhaps we apr_proc_kill'ed it,
+         * they should have already unregistered!
+         */
+        ocr->proc = NULL;
+        (*ocr->maintenance) (APR_OC_REASON_LOST, ocr->data, -1);
+    }
+    else if (!GetExitCodeProcess(ocr->proc->hproc, &status)) {
+        CloseHandle(ocr->proc->hproc);
+        ocr->proc->hproc = NULL;
+        ocr->proc = NULL;
+        (*ocr->maintenance) (APR_OC_REASON_LOST, ocr->data, -1);
+    }
+    else if (status == STILL_ACTIVE) {
+        (*ocr->maintenance) (reason, ocr->data, -1);
+    }
+    else {
+        CloseHandle(ocr->proc->hproc);
+        ocr->proc->hproc = NULL;
+        ocr->proc = NULL;
+        (*ocr->maintenance) (APR_OC_REASON_DEATH, ocr->data, status);
+    }
+
+#else /* ndef Win32 */
+    pid_t waitret; 
+    int status;
+
+    if (ocr->proc == NULL)
+        return;
+
+    waitret = waitpid(ocr->proc->pid, &status, WNOHANG);
+    if (waitret == ocr->proc->pid) {
+        ocr->proc = NULL;
+        (*ocr->maintenance) (APR_OC_REASON_DEATH, ocr->data, status);
+    }
+    else if (waitret == 0) {
+        (*ocr->maintenance) (reason, ocr->data, -1);
+    }
+    else if (waitret == -1) {
+        /* uh what the heck? they didn't call unregister? */
+        ocr->proc = NULL;
+        (*ocr->maintenance) (APR_OC_REASON_LOST, ocr->data, -1);
+    }
+#endif
+}
+
+APR_DECLARE(void) apr_proc_other_child_refresh_all(int reason)
+{
+    apr_other_child_rec_t *ocr, *next_ocr;
+
+    for (ocr = other_children; ocr; ocr = next_ocr) {
+        next_ocr = ocr->next;
+        apr_proc_other_child_refresh(ocr, reason);
+    }
+}
+
+#else /* !APR_HAS_OTHER_CHILD */
+
+APR_DECLARE(void) apr_proc_other_child_register(apr_proc_t *proc,
+                     void (*maintenance) (int reason, void *, int status),
+                     void *data, apr_file_t *write_fd, apr_pool_t *p)
+{
+    return;
+}
+
+APR_DECLARE(void) apr_proc_other_child_unregister(void *data)
+{
+    return;
+}
+
+APR_DECLARE(apr_status_t) apr_proc_other_child_alert(apr_proc_t *proc,
+                                                     int reason,
+                                                     int status)
+{
+    return APR_ENOTIMPL;
+}
+
+APR_DECLARE(void) apr_proc_other_child_refresh(apr_other_child_rec_t *ocr,
+                                               int reason)
+{
+    return;
+}
+
+APR_DECLARE(void) apr_proc_other_child_refresh_all(int reason)
+{
+    return;
+}
+
+#endif /* APR_HAS_OTHER_CHILD */
diff --git a/misc/unix/rand.c b/misc/unix/rand.c
new file mode 100644
index 0000000..c0567a6
--- /dev/null
+++ b/misc/unix/rand.c
@@ -0,0 +1,302 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define APR_WANT_MEMFUNC
+#include "apr_want.h"
+#include "apr_general.h"
+
+#include "apr_arch_misc.h"
+#include <sys/stat.h>
+#if APR_HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if APR_HAVE_SYS_SOCKET_H
+#include <sys/socket.h>
+#endif
+#if APR_HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#if APR_HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if APR_HAVE_SYS_UN_H
+#include <sys/un.h>
+#endif
+#if defined(HAVE_UUID_H)
+#include <uuid.h>
+#elif defined(HAVE_UUID_UUID_H)
+#include <uuid/uuid.h>
+#elif defined(HAVE_SYS_UUID_H)
+#include <sys/uuid.h>
+#endif
+
+#if defined(SYS_RANDOM)
+#if defined(HAVE_SYS_RANDOM_H) && \
+    defined(HAVE_GETRANDOM)
+
+#include <sys/random.h>
+#define USE_GETRANDOM
+
+#elif defined(HAVE_SYS_SYSCALL_H) && \
+      defined(HAVE_LINUX_RANDOM_H) && \
+      defined(HAVE_DECL_SYS_GETRANDOM) && \
+      HAVE_DECL_SYS_GETRANDOM
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#include <unistd.h>
+#include <sys/syscall.h>
+#include <linux/random.h>
+#define getrandom(buf, buflen, flags) \
+    syscall(SYS_getrandom, (buf), (buflen), (flags))
+#define USE_GETRANDOM
+
+#endif /* HAVE_SYS_RANDOM_H */
+#endif /* SYS_RANDOM */
+
+#ifndef SHUT_RDWR
+#define SHUT_RDWR 2
+#endif
+
+#if APR_HAS_OS_UUID
+
+#if defined(HAVE_UUID_CREATE)
+
+APR_DECLARE(apr_status_t) apr_os_uuid_get(unsigned char *uuid_data)
+{
+    uint32_t rv;
+    uuid_t g;
+
+    uuid_create(&g, &rv);
+
+    if (rv != uuid_s_ok)
+        return APR_EGENERAL;
+
+    memcpy(uuid_data, &g, sizeof(uuid_t));
+
+    return APR_SUCCESS;
+}
+
+#elif defined(HAVE_UUID_GENERATE)
+
+APR_DECLARE(apr_status_t) apr_os_uuid_get(unsigned char *uuid_data)
+{
+    uuid_t g;
+
+    uuid_generate(g);
+
+    memcpy(uuid_data, g, sizeof(uuid_t));
+
+    return APR_SUCCESS;
+}
+#endif 
+
+#endif /* APR_HAS_OS_UUID */
+
+#if APR_HAS_RANDOM
+
+APR_DECLARE(apr_status_t) apr_generate_random_bytes(unsigned char *buf, 
+                                                    apr_size_t length)
+{
+#if defined(HAVE_EGD)
+    /* use EGD-compatible socket daemon (such as EGD or PRNGd).
+     * message format:
+     * 0x00 (get entropy level)
+     *   0xMM (msb) 0xmm 0xll 0xLL (lsb)
+     * 0x01 (read entropy nonblocking) 0xNN (bytes requested)
+     *   0xMM (bytes granted) MM bytes
+     * 0x02 (read entropy blocking) 0xNN (bytes desired)
+     *   [block] NN bytes
+     * 0x03 (write entropy) 0xMM 0xLL (bits of entropy) 0xNN (bytes of data) 
+     *      NN bytes
+     * (no response - write only) 
+     * 0x04 (report PID)
+     *   0xMM (length of PID string, not null-terminated) MM chars
+     */
+    static const char *egd_sockets[] = { EGD_DEFAULT_SOCKET, NULL };
+    const char **egdsockname = NULL;
+
+    int egd_socket, egd_path_len, rv, bad_errno;
+    struct sockaddr_un addr;
+    apr_socklen_t egd_addr_len;
+    apr_size_t resp_expected;
+    unsigned char req[2], resp[255];
+    unsigned char *curbuf = buf;
+
+    for (egdsockname = egd_sockets; *egdsockname && length > 0; egdsockname++) {
+        egd_path_len = strlen(*egdsockname);
+        
+        if (egd_path_len > sizeof(addr.sun_path)) {
+            return APR_EINVAL;
+        }
+
+        memset(&addr, 0, sizeof(struct sockaddr_un));
+        addr.sun_family = AF_UNIX;
+        memcpy(addr.sun_path, *egdsockname, egd_path_len);
+        egd_addr_len = APR_OFFSETOF(struct sockaddr_un, sun_path) + 
+          egd_path_len; 
+
+        egd_socket = socket(PF_UNIX, SOCK_STREAM, 0);
+
+        if (egd_socket == -1) {
+            return errno;
+        }
+
+        rv = connect(egd_socket, (struct sockaddr*)&addr, egd_addr_len);
+
+        if (rv == -1) {
+            bad_errno = errno;
+            continue;
+        }
+
+        /* EGD can only return 255 bytes of data at a time.  Silly.  */ 
+        while (length > 0) {
+            apr_ssize_t srv;
+            req[0] = 2; /* We'll block for now. */
+            req[1] = length > 255 ? 255: length;
+
+            srv = write(egd_socket, req, 2);
+            if (srv == -1) {
+                bad_errno = errno;
+                shutdown(egd_socket, SHUT_RDWR);
+                close(egd_socket);
+                break;
+            }
+
+            if (srv != 2) {
+                shutdown(egd_socket, SHUT_RDWR);
+                close(egd_socket);
+                return APR_EGENERAL;
+            }
+            
+            resp_expected = req[1];
+            srv = read(egd_socket, resp, resp_expected);
+            if (srv == -1) {
+                bad_errno = errno;
+                shutdown(egd_socket, SHUT_RDWR);
+                close(egd_socket);
+                return bad_errno;
+            }
+            
+            memcpy(curbuf, resp, srv);
+            curbuf += srv;
+            length -= srv;
+        }
+        
+        shutdown(egd_socket, SHUT_RDWR);
+        close(egd_socket);
+    }
+
+    if (length > 0) {
+        /* We must have iterated through the list of sockets,
+         * and no go. Return the errno.
+         */
+        return bad_errno;
+    }
+
+#elif defined(SYS_RANDOM) && defined(USE_GETRANDOM)
+
+    do {
+        int rc;
+
+        rc = getrandom(buf, length, 0);
+        if (rc == -1) {
+            if (errno == EINTR) {
+                continue;
+            }
+            return errno;
+        }
+
+        buf += rc;
+        length -= rc;
+    } while (length > 0);
+
+#elif defined(SYS_RANDOM) && defined(HAVE_ARC4RANDOM_BUF)
+
+    arc4random_buf(buf, length);
+
+#elif defined(DEV_RANDOM)
+
+    int fd = -1;
+
+    /* On BSD/OS 4.1, /dev/random gives out 8 bytes at a time, then
+     * gives EOF, so reading 'length' bytes may require opening the
+     * device several times. */
+    do {
+        apr_ssize_t rc;
+
+        if (fd == -1)
+            if ((fd = open(DEV_RANDOM, O_RDONLY)) == -1)
+                return errno;
+        
+        do {
+            rc = read(fd, buf, length);
+        } while (rc == -1 && errno == EINTR);
+
+        if (rc < 0) {
+            int errnum = errno;
+            close(fd);
+            return errnum;
+        }
+        else if (rc == 0) {
+            close(fd);
+            fd = -1; /* force open() again */
+        }
+        else {
+            buf += rc;
+            length -= rc;
+        }
+    } while (length > 0);
+    
+    close(fd);
+
+#elif defined(OS2)
+
+    static UCHAR randbyte();
+    unsigned int idx;
+
+    for (idx=0; idx<length; idx++)
+	buf[idx] = randbyte();
+
+#elif defined(HAVE_TRUERAND) /* use truerand */
+
+    extern int randbyte(void);	/* from the truerand library */
+    unsigned int idx;
+
+    /* this will increase the startup time of the server, unfortunately...
+     * (generating 20 bytes takes about 8 seconds)
+     */
+    for (idx=0; idx<length; idx++)
+	buf[idx] = (unsigned char) randbyte();
+
+#else
+
+#error APR_HAS_RANDOM defined with no implementation
+
+#endif	/* DEV_RANDOM */
+
+    return APR_SUCCESS;
+}
+
+#undef	STR
+#undef	XSTR
+
+#ifdef OS2
+#include "randbyte_os2.inc"
+#endif
+
+#endif /* APR_HAS_RANDOM */
diff --git a/misc/unix/randbyte_os2.inc b/misc/unix/randbyte_os2.inc
new file mode 100644
index 0000000..4020e31
--- /dev/null
+++ b/misc/unix/randbyte_os2.inc
@@ -0,0 +1,123 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* The high resolution timer API provides access to the hardware timer 
+ * running at around 1.1MHz. The amount this changes in a time slice is
+ * varies randomly due to system events, hardware interrupts etc
+ */
+static UCHAR randbyte_hrtimer()
+{
+    QWORD t1, t2;
+    UCHAR byte;
+
+    DosTmrQueryTime(&t1);
+    DosSleep(5);
+    DosTmrQueryTime(&t2);
+
+    byte = (t2.ulLo - t1.ulLo) & 0xFF;
+    byte ^= (t2.ulLo - t1.ulLo) >> 8;
+    return byte;
+}
+
+
+
+/* A bunch of system information like memory & process stats.
+ * Not highly random but every bit helps....
+ */
+static UCHAR randbyte_sysinfo()
+{
+    UCHAR byte = 0;
+    UCHAR SysVars[100];
+    int b;
+
+    DosQuerySysInfo(1, QSV_FOREGROUND_PROCESS, SysVars, sizeof(SysVars));
+
+    for (b = 0; b < 100; b++) {
+        byte ^= SysVars[b];
+    }
+
+    return byte;
+}
+
+
+
+/* Similar in concept to randbyte_hrtimer() but accesses the CPU's internal
+ * counters which run at the CPU's MHz speed. We get separate 
+ * idle / busy / interrupt cycle counts which should provide very good 
+ * randomness due to interference of hardware events.
+ * This only works on newer CPUs (at least PPro or K6) and newer OS/2 versions
+ * which is why it's run-time linked.
+ */
+
+static APIRET APIENTRY(*DosPerfSysCall) (ULONG ulCommand, ULONG ulParm1,
+                                         ULONG ulParm2, ULONG ulParm3) = NULL;
+static HMODULE hDoscalls = 0;
+#define   CMD_KI_RDCNT    (0x63)
+
+typedef struct _CPUUTIL {
+    ULONG ulTimeLow;            /* Low 32 bits of time stamp      */
+    ULONG ulTimeHigh;           /* High 32 bits of time stamp     */
+    ULONG ulIdleLow;            /* Low 32 bits of idle time       */
+    ULONG ulIdleHigh;           /* High 32 bits of idle time      */
+    ULONG ulBusyLow;            /* Low 32 bits of busy time       */
+    ULONG ulBusyHigh;           /* High 32 bits of busy time      */
+    ULONG ulIntrLow;            /* Low 32 bits of interrupt time  */
+    ULONG ulIntrHigh;           /* High 32 bits of interrupt time */
+} CPUUTIL;
+
+
+static UCHAR randbyte_perf()
+{
+    UCHAR byte = 0;
+    CPUUTIL util;
+    int c;
+
+    if (hDoscalls == 0) {
+        char failed_module[20];
+        ULONG rc;
+
+        rc = DosLoadModule(failed_module, sizeof(failed_module), "DOSCALLS",
+                           &hDoscalls);
+
+        if (rc == 0) {
+            rc = DosQueryProcAddr(hDoscalls, 976, NULL, (PFN *)&DosPerfSysCall);
+
+            if (rc) {
+                DosPerfSysCall = NULL;
+            }
+        }
+    }
+
+    if (DosPerfSysCall) {
+        if (DosPerfSysCall(CMD_KI_RDCNT, (ULONG)&util, 0, 0) == 0) {
+            for (c = 0; c < sizeof(util); c++) {
+                byte ^= ((UCHAR *)&util)[c];
+            }
+        }
+        else {
+            DosPerfSysCall = NULL;
+        }
+    }
+
+    return byte;
+}
+
+
+
+static UCHAR randbyte()
+{
+    return randbyte_hrtimer() ^ randbyte_sysinfo() ^ randbyte_perf();
+}
diff --git a/misc/unix/start.c b/misc/unix/start.c
new file mode 100644
index 0000000..4b8ad99
--- /dev/null
+++ b/misc/unix/start.c
@@ -0,0 +1,89 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_general.h"
+#include "apr_pools.h"
+#include "apr_signal.h"
+#include "apr_atomic.h"
+
+#include "apr_arch_proc_mutex.h" /* for apr_proc_mutex_unix_setup_lock() */
+#include "apr_arch_internal_time.h"
+
+
+APR_DECLARE(apr_status_t) apr_app_initialize(int *argc, 
+                                             const char * const * *argv, 
+                                             const char * const * *env)
+{
+    /* An absolute noop.  At present, only Win32 requires this stub, but it's
+     * required in order to move command arguments passed through the service
+     * control manager into the process, and it's required to fix the char*
+     * data passed in from win32 unicode into utf-8, win32's apr internal fmt.
+     */
+    return apr_initialize();
+}
+
+static int initialized = 0;
+
+APR_DECLARE(apr_status_t) apr_initialize(void)
+{
+    apr_pool_t *pool;
+    apr_status_t status;
+
+    if (initialized++) {
+        return APR_SUCCESS;
+    }
+
+#if !defined(BEOS) && !defined(OS2)
+    apr_proc_mutex_unix_setup_lock();
+    apr_unix_setup_time();
+#endif
+
+    if ((status = apr_pool_initialize()) != APR_SUCCESS)
+        return status;
+    
+    if (apr_pool_create(&pool, NULL) != APR_SUCCESS) {
+        return APR_ENOPOOL;
+    }
+
+    apr_pool_tag(pool, "apr_initialize");
+
+    /* apr_atomic_init() used to be called from here aswell.
+     * Pools rely on mutexes though, which can be backed by
+     * atomics.  Due to this circular dependency
+     * apr_pool_initialize() is taking care of calling
+     * apr_atomic_init() at the correct time.
+     */
+
+    apr_signal_init(pool);
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE_NONSTD(void) apr_terminate(void)
+{
+    initialized--;
+    if (initialized) {
+        return;
+    }
+    apr_pool_terminate();
+    
+}
+
+APR_DECLARE(void) apr_terminate2(void)
+{
+    apr_terminate();
+}
diff --git a/misc/unix/version.c b/misc/unix/version.c
new file mode 100644
index 0000000..2f111bf
--- /dev/null
+++ b/misc/unix/version.c
@@ -0,0 +1,35 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_version.h"
+#include "apr_general.h" /* for APR_STRINGIFY */
+
+APR_DECLARE(void) apr_version(apr_version_t *pvsn)
+{
+    pvsn->major = APR_MAJOR_VERSION;
+    pvsn->minor = APR_MINOR_VERSION;
+    pvsn->patch = APR_PATCH_VERSION;
+#ifdef APR_IS_DEV_VERSION
+    pvsn->is_dev = 1;
+#else
+    pvsn->is_dev = 0;
+#endif
+}
+
+APR_DECLARE(const char *) apr_version_string(void)
+{
+    return APR_VERSION_STRING;
+}