Finalize the closing process of persistent streams. The current

behavior/API is as follows:

1) To close a persistent use php_stream_pclose(), it will close the stream
and remove it from the persistent list.

2) Inside PHP code only explicit fclose() will close persistent streams,
all other actions such as unset() or assigning a value to stream handle
will not.

3) Regular streams can still be closed by either fclose(), unset() or an
assignment of a value to the stream handler.

ext/dba/dba.c

@@ -321,10 +321,18 @@ static void dba_close(dba_info *info TSRMLS_DC)
 		pefree(info->path, info->flags&DBA_PERSISTENT);
 	}
 	if (info->fp && info->fp!=info->lock.fp) {
-		php_stream_close(info->fp);
+		if(info->flags&DBA_PERSISTENT) {
+			php_stream_pclose(info->fp);
+		} else {
+			php_stream_close(info->fp);
+		}
 	}
 	if (info->lock.fp) {
-		php_stream_close(info->lock.fp);
+		if(info->flags&DBA_PERSISTENT) {
+			php_stream_pclose(info->lock.fp);
+		} else {
+			php_stream_close(info->lock.fp);
+		}
 	}
 	if (info->lock.name) {
 		pefree(info->lock.name, info->flags&DBA_PERSISTENT);

ext/standard/file.c

@@ -763,7 +763,11 @@ PHPAPI PHP_FUNCTION(fclose)
 	}
 
 	php_stream_from_zval(stream, arg1);
-	zend_list_delete(stream->rsrc_id);
+	if (!stream->is_persistent) {
+		zend_list_delete(stream->rsrc_id);
+	} else {
+		php_stream_pclose(stream);
+	}
 
 	RETURN_TRUE;
 }

main/php_streams.h

@@ -249,11 +249,14 @@ PHPAPI int php_stream_from_persistent_id(const char *persistent_id, php_stream *
 #define PHP_STREAM_FREE_RELEASE_STREAM		2 /* pefree(stream) */
 #define PHP_STREAM_FREE_PRESERVE_HANDLE		4 /* tell ops->close to not close it's underlying handle */
 #define PHP_STREAM_FREE_RSRC_DTOR			8 /* called from the resource list dtor */
+#define PHP_STREAM_FREE_PERSISTENT			16 /* manually freeing a persistent connection */
 #define PHP_STREAM_FREE_CLOSE				(PHP_STREAM_FREE_CALL_DTOR | PHP_STREAM_FREE_RELEASE_STREAM)
 #define PHP_STREAM_FREE_CLOSE_CASTED		(PHP_STREAM_FREE_CLOSE | PHP_STREAM_FREE_PRESERVE_HANDLE)
+#define PHP_STREAM_FREE_CLOSE_PERSISTENT	(PHP_STREAM_FREE_CLOSE | PHP_STREAM_FREE_PERSISTENT)
 PHPAPI int _php_stream_free(php_stream *stream, int close_options TSRMLS_DC);
 #define php_stream_free(stream, close_options)	_php_stream_free((stream), (close_options) TSRMLS_CC)
 #define php_stream_close(stream)	_php_stream_free((stream), PHP_STREAM_FREE_CLOSE TSRMLS_CC)
+#define php_stream_pclose(stream)	_php_stream_free((stream), PHP_STREAM_FREE_CLOSE_PERSISTENT TSRMLS_CC)
 
 PHPAPI int _php_stream_seek(php_stream *stream, off_t offset, int whence TSRMLS_DC);
 #define php_stream_rewind(stream)	_php_stream_seek((stream), 0L, SEEK_SET TSRMLS_CC)

main/streams/streams.c

@@ -254,7 +254,7 @@ fprintf(stderr, "stream_alloc: %s:%p persistent=%s\n", ops->label, ret, persiste
 
 static int _php_stream_free_persistent(list_entry *le, void *pStream TSRMLS_DC)
 {
-	return (le->ptr == pStream && !((php_stream *)pStream)->in_free);
+	return le->ptr == pStream;
 }
 
 PHPAPI int _php_stream_free(php_stream *stream, int close_options TSRMLS_DC) /* {{{ */
@@ -358,7 +358,7 @@ fprintf(stderr, "stream_free: %s:%p[%s] preserve_handle=%d release_cast=%d remov
 			stream->readbuf = NULL;
 		}
 
-		if (stream->is_persistent) {
+		if (stream->is_persistent && (close_options & PHP_STREAM_FREE_PERSISTENT)) {
 			/* we don't work with *stream but need its value for comparison */
 			zend_hash_apply_with_argument(&EG(persistent_list), (apply_func_arg_t) _php_stream_free_persistent, stream TSRMLS_CC);
 		}