--- IO-AIO/AIO.xs	2006/10/23 18:38:15	1.57
+++ IO-AIO/AIO.xs	2006/10/23 18:48:08	1.58
@@ -85,9 +85,14 @@
   int errorno;
   STRLEN dataoffset;
   mode_t mode; /* open */
-  unsigned char cancelled;
+  unsigned char pri;
+  unsigned char flags;
 } aio_cb;
 
+enum {
+  FLAG_CANCELLED = 0x01,
+};
+
 typedef aio_cb *aio_req;
 typedef aio_cb *aio_req_ornot;
 
@@ -132,7 +137,7 @@
 
 static void aio_grp_feed (aio_req grp)
 {
-  while (grp->length < grp->fd2 && !grp->cancelled)
+  while (grp->length < grp->fd2 && !(grp->flags & FLAG_CANCELLED))
     {
       int old_len = grp->length;
 
@@ -193,7 +198,7 @@
   dSP;
   int errorno = errno;
 
-  if (req->cancelled || !SvOK (req->callback))
+  if (req->flags & FLAG_CANCELLED || !SvOK (req->callback))
     return;
 
   errno = req->errorno;
@@ -323,7 +328,7 @@
 
 static void req_cancel (aio_req req)
 {
-  req->cancelled = 1;
+  req->flags |= FLAG_CANCELLED;
 
   if (req->type == REQ_GROUP)
     {
@@ -788,7 +793,7 @@
      
       errno = 0; /* strictly unnecessary */
 
-      if (!req->cancelled)
+      if (!(req->flags & FLAG_CANCELLED))
         switch (type = req->type) /* remember type for QUIT check */
           {
             case REQ_READ:      req->result = pread     (req->fd, req->dataptr, req->length, req->offset); break;