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/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. 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. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR
* ITS 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 software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "fileio.h"
#include "apr_strings.h"
#include "apr_portable.h"
/* Figure out how to get pipe block/nonblock on BeOS...
* Basically, BONE7 changed things again so that ioctl didn't work,
* but now fcntl does, hence we need to do this extra checking.
* The joys of beta programs. :-)
*/
#if BEOS
#if !BONE7
# define BEOS_BLOCKING 1
#else
# define BEOS_BLOCKING 0
#endif
#endif
static apr_status_t pipeblock(apr_file_t *thepipe)
{
#if !BEOS_BLOCKING
int fd_flags;
fd_flags = fcntl(thepipe->filedes, F_GETFL, 0);
# if defined(O_NONBLOCK)
fd_flags &= ~O_NONBLOCK;
# elif defined(O_NDELAY)
fd_flags &= ~O_NDELAY;
# elif defined(FNDELAY)
fd_flags &= ~O_FNDELAY;
# else
/* XXXX: this breaks things, but an alternative isn't obvious...*/
return APR_ENOTIMPL;
# endif
if (fcntl(thepipe->filedes, F_SETFL, fd_flags) == -1) {
return errno;
}
#else /* BEOS_BLOCKING */
# if BEOS_BONE /* This only works on BONE 0-6 */
int on = 0;
if (ioctl(thepipe->filedes, FIONBIO, &on, sizeof(on)) < 0) {
return errno;
}
# else /* "classic" BeOS doesn't support this at all */
return APR_ENOTIMPL;
# endif
#endif /* !BEOS_BLOCKING */
thepipe->blocking = BLK_ON;
return APR_SUCCESS;
}
static apr_status_t pipenonblock(apr_file_t *thepipe)
{
#if !BEOS_BLOCKING
int fd_flags = fcntl(thepipe->filedes, F_GETFL, 0);
# if defined(O_NONBLOCK)
fd_flags |= O_NONBLOCK;
# elif defined(O_NDELAY)
fd_flags |= O_NDELAY;
# elif defined(FNDELAY)
fd_flags |= O_FNDELAY;
# else
/* XXXX: this breaks things, but an alternative isn't obvious...*/
return APR_ENOTIMPL;
# endif
if (fcntl(thepipe->filedes, F_SETFL, fd_flags) == -1) {
return errno;
}
#else /* BEOS_BLOCKING */
# if BEOS_BONE /* This only works on BONE 0-6 */
int on = 1;
if (ioctl(thepipe->filedes, FIONBIO, &on, sizeof(on)) < 0) {
return errno;
}
# else /* "classic" BeOS doesn't support this at all */
return APR_ENOTIMPL;
# endif
#endif /* !BEOS_BLOCKING */
thepipe->blocking = BLK_OFF;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_pipe_timeout_set(apr_file_t *thepipe, apr_interval_time_t timeout)
{
if (thepipe->is_pipe == 1) {
thepipe->timeout = timeout;
if (timeout >= 0) {
if (thepipe->blocking != BLK_OFF) { /* blocking or unknown state */
return pipenonblock(thepipe);
}
}
else {
if (thepipe->blocking != BLK_ON) { /* non-blocking or unknown state */
return pipeblock(thepipe);
}
}
return APR_SUCCESS;
}
return APR_EINVAL;
}
APR_DECLARE(apr_status_t) apr_file_pipe_timeout_get(apr_file_t *thepipe, apr_interval_time_t *timeout)
{
if (thepipe->is_pipe == 1) {
*timeout = thepipe->timeout;
return APR_SUCCESS;
}
return APR_EINVAL;
}
APR_DECLARE(apr_status_t) apr_os_pipe_put(apr_file_t **file,
apr_os_file_t *thefile,
apr_pool_t *pool)
{
int *dafile = thefile;
(*file) = apr_pcalloc(pool, sizeof(apr_file_t));
(*file)->pool = pool;
(*file)->eof_hit = 0;
(*file)->is_pipe = 1;
(*file)->blocking = BLK_UNKNOWN; /* app needs to make a timeout call */
(*file)->timeout = -1;
(*file)->ungetchar = -1; /* no char avail */
(*file)->filedes = *dafile;
(*file)->flags = 0;
(*file)->buffered = 0;
#if APR_HAS_THREADS
(*file)->thlock = NULL;
#endif
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_pipe_create(apr_file_t **in, apr_file_t **out, apr_pool_t *pool)
{
int filedes[2];
if (pipe(filedes) == -1) {
return errno;
}
(*in) = (apr_file_t *)apr_pcalloc(pool, sizeof(apr_file_t));
(*in)->pool = pool;
(*in)->filedes = filedes[0];
(*in)->is_pipe = 1;
(*in)->fname = NULL;
(*in)->buffered = 0;
(*in)->blocking = BLK_ON;
(*in)->timeout = -1;
(*in)->ungetchar = -1;
#if APR_HAS_THREADS
(*in)->thlock = NULL;
#endif
(*out) = (apr_file_t *)apr_pcalloc(pool, sizeof(apr_file_t));
(*out)->pool = pool;
(*out)->filedes = filedes[1];
(*out)->is_pipe = 1;
(*out)->fname = NULL;
(*out)->buffered = 0;
(*out)->blocking = BLK_ON;
(*out)->timeout = -1;
#if APR_HAS_THREADS
(*out)->thlock = NULL;
#endif
apr_pool_cleanup_register((*in)->pool, (void *)(*in), apr_unix_file_cleanup,
apr_pool_cleanup_null);
apr_pool_cleanup_register((*out)->pool, (void *)(*out), apr_unix_file_cleanup,
apr_pool_cleanup_null);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_namedpipe_create(const char *filename,
apr_fileperms_t perm, apr_pool_t *pool)
{
mode_t mode = apr_unix_perms2mode(perm);
if (mkfifo(filename, mode) == -1) {
return errno;
}
return APR_SUCCESS;
}
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