--- IO-AIO/AIO.xs	2005/08/23 01:16:50	1.35
+++ IO-AIO/AIO.xs	2005/08/23 01:18:04	1.36
@@ -362,10 +362,6 @@
   atfork_parent ();
 }
 
-/* currently noops */
-#define LOCK_FD(fd)   do { } while (0)
-#define UNLOCK_FD(fd) do { } while (0)
-
 /*****************************************************************************/
 /* work around various missing functions */
 
@@ -386,14 +382,12 @@
   ssize_t res;
   off_t ooffset;
 
-  LOCK_FD (fd);
-  pthread_mutex_lock (&iolock); /* replace by LOCK_FD and private buffer */
+  pthread_mutex_lock (&iolock);
   ooffset = lseek (fd, 0, SEEK_CUR);
   lseek (fd, offset, SEEK_SET);
   res = read (fd, buf, count);
   lseek (fd, ooffset, SEEK_SET);
   pthread_mutex_unlock (&iolock);
-  UNLOCK_FD (d);
 
   return res;
 }
@@ -404,14 +398,12 @@
   ssize_t res;
   off_t ooffset;
 
-  LOCK_FD (fd);
-  pthread_mutex_lock (&iolock); /* replace by LOCK_FD and private buffer */
+  pthread_mutex_lock (&iolock);
   ooffset = lseek (fd, 0, SEEK_CUR);
   lseek (fd, offset, SEEK_SET);
   res = write (fd, buf, count);
   lseek (fd, offset, SEEK_SET);
   pthread_mutex_unlock (&iolock);
-  UNLOCK_FD (d);
 
   return res;
 }
@@ -451,8 +443,6 @@
    if (!count)
      return 0;
 
-   LOCK_FD (ofd);
-
 #if HAVE_SENDFILE
 # if __linux
    res = sendfile (ofd, ifd, &offset, count);
@@ -539,8 +529,6 @@
        }
      }
 
-   UNLOCK_FD (ofd);
-
    return res;
 }