mirror of
https://github.com/apache/httpd.git
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de3a77dc01
on Linux, but probably breaks somewhere. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84963 13f79535-47bb-0310-9956-ffa450edef68
304 lines
8.4 KiB
C
304 lines
8.4 KiB
C
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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*/
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#define INCL_DOS
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#define INCL_DOSERRORS
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#include <os2.h>
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#include "ap_config.h"
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#include "httpd.h"
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#include "http_log.h"
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#include "os.h"
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <ctype.h>
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#include <string.h>
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API_EXPORT(char *)ap_os_case_canonical_filename(ap_pool_t *pPool, const char *szFile)
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{
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char buf[HUGE_STRING_LEN];
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char buf2[HUGE_STRING_LEN];
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int rc, len;
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char *pos;
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/* Remove trailing slash unless it's a root directory */
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strcpy(buf, szFile);
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len = strlen(buf);
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if (len > 3 && buf[len-1] == '/')
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buf[--len] = 0;
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rc = DosQueryPathInfo(buf, FIL_QUERYFULLNAME, buf2, HUGE_STRING_LEN);
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if (rc) {
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if ( rc != ERROR_INVALID_NAME ) {
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ap_log_error(APLOG_MARK, APLOG_ERR|APLOG_NOERRNO, 0, NULL, "OS/2 error %d for file %s", rc, szFile);
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return ap_pstrdup(pPool, "");
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} else {
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return ap_pstrdup(pPool, szFile);
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}
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}
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/* Switch backslashes to forward */
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for (pos=buf2; *pos; pos++)
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if (*pos == '\\')
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*pos = '/';
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return ap_pstrdup(pPool, buf2);
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}
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static void fix_component(char *path, char *lastcomp)
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{
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FILEFINDBUF3 fb3;
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HDIR hDir = HDIR_CREATE;
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ULONG numNames = 1;
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ULONG rc = DosFindFirst( (UCHAR *)path, &hDir, FILE_NORMAL|FILE_DIRECTORY, &fb3, sizeof(fb3), &numNames, FIL_STANDARD );
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if (rc == 0)
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strcpy(lastcomp, fb3.achName);
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DosFindClose(hDir);
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}
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char *ap_os_systemcase_canonical_filename(ap_pool_t *pPool, const char *szFile)
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{
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char *szCanonicalFile = ap_os_case_canonical_filename(pPool, szFile);
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int startslash = 2, slashnum=0;
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char *pos, *prevslash = NULL;
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if (szCanonicalFile[0] == '/' && szCanonicalFile[1] == '/') /* a UNC name */
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startslash = 5;
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for (pos = szCanonicalFile; *pos; pos++) {
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if (*pos == '/') {
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slashnum++;
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if (slashnum >= startslash) {
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*pos = 0;
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fix_component(szCanonicalFile, prevslash+1);
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*pos = '/';
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}
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prevslash = pos;
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}
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}
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if (slashnum >= startslash) {
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fix_component(szCanonicalFile, prevslash+1);
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}
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return szCanonicalFile;
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}
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char *ap_os_canonical_filename(ap_pool_t *pPool, const char *szFile)
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{
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char *szCanonicalFile = ap_os_systemcase_canonical_filename(pPool, szFile);
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strlwr(szCanonicalFile);
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return szCanonicalFile;
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}
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int ap_os_kill(pid_t pid, int sig)
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{
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/* SIGTERM's don't work too well in OS/2 (only affects other EMX programs).
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CGIs may not be, esp. REXX scripts, so use a native call instead */
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int rc;
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if ( sig == SIGTERM ) {
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rc = DosSendSignalException( pid, XCPT_SIGNAL_BREAK );
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if ( rc ) {
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errno = ESRCH;
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rc = -1;
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}
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} else {
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rc = kill(pid, sig);
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}
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return rc;
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}
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char *ap_os_error_message(int err)
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{
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static char result[200];
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unsigned char message[HUGE_STRING_LEN];
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ULONG len;
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char *pos;
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int c;
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if (DosGetMessage(NULL, 0, message, HUGE_STRING_LEN, err, "OSO001.MSG", &len) == 0) {
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len--;
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message[len] = 0;
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pos = result;
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if (len >= sizeof(result))
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len = sizeof(result-1);
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for (c=0; c<len; c++) {
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while (isspace(message[c]) && isspace(message[c+1])) /* skip multiple whitespace */
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c++;
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*(pos++) = isspace(message[c]) ? ' ' : message[c];
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}
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*pos = 0;
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} else {
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sprintf(result, "OS/2 error %d", err);
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}
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return result;
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}
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static int (*os2_select)( int *, int, int, int, long ) = NULL;
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static HMODULE hSO32DLL;
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int ap_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout)
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{
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int *fds, s, fd_count=0, rc;
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int num_read, num_write, num_except;
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long ms_timeout = -1;
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if (os2_select == NULL) {
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DosEnterCritSec(); /* Stop two threads doing this at the same time */
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if (os2_select == NULL) {
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hSO32DLL = ap_os_dso_load("SO32DLL");
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if (hSO32DLL) {
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os2_select = ap_os_dso_sym(hSO32DLL, "SELECT");
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}
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}
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DosExitCritSec();
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}
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ap_assert(os2_select != NULL);
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fds = alloca(sizeof(int) * nfds);
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if (readfds) {
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for (s=0; s<nfds; s++)
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if (FD_ISSET(s, readfds))
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fds[fd_count++] = _getsockhandle(s);
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}
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num_read = fd_count;
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if (writefds) {
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for (s=0; s<nfds; s++)
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if (FD_ISSET(s, writefds))
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fds[fd_count++] = _getsockhandle(s);
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}
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num_write = fd_count - num_read;
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if (exceptfds) {
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for (s=0; s<nfds; s++)
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if (FD_ISSET(s, exceptfds))
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fds[fd_count++] = _getsockhandle(s);
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}
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num_except = fd_count - num_read - num_write;
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if (timeout)
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ms_timeout = timeout->tv_usec / 1000 + timeout->tv_sec * 1000;
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rc = os2_select(fds, num_read, num_write, num_except, ms_timeout);
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if (rc > 0) {
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fd_count = 0;
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if (readfds) {
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for (s=0; s<nfds; s++) {
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if (FD_ISSET(s, readfds)) {
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if (fds[fd_count++] < 0)
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FD_CLR(s, readfds);
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}
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}
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}
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if (writefds) {
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for (s=0; s<nfds; s++) {
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if (FD_ISSET(s, writefds)) {
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if (fds[fd_count++] < 0)
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FD_CLR(s, writefds);
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}
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}
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}
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if (exceptfds) {
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for (s=0; s<nfds; s++) {
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if (FD_ISSET(s, exceptfds)) {
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if (fds[fd_count++] < 0)
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FD_CLR(s, exceptfds);
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}
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}
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}
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}
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return rc;
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}
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