--- aiops.c.orig	Mon Sep 17 13:38:32 2001
+++ aiops.c	Mon Sep 17 15:01:22 2001
@@ -257,6 +257,7 @@
 
     if (squidaio_initialised)
 	return;
+    syslog( LOG_DAEMON|LOG_INFO, "squidaio_init(): do initialization" );
 
     pthread_attr_init(&globattr);
 #if HAVE_PTHREAD_ATTR_SETSCOPE
@@ -317,6 +318,7 @@
     squidaio_micro_bufs = memPoolCreate("squidaio_micro_bufs", AIO_MICRO_BUFS);
 
     squidaio_initialised = 1;
+    syslog( LOG_DAEMON|LOG_INFO, "squidaio_init(): done initialization" );
 }
 
 
@@ -632,6 +634,10 @@
     requestp->cancelled = 0;
 
     squidaio_queue_request(requestp);
+    syslog( LOG_DAEMON|LOG_INFO,
+	"squidaio_read(): queued %p,fd=%d,offset=%ld,whence=%d,len=%ld",
+	requestp, requestp->fd, (long)requestp->offset, requestp->whence,
+	(long) requestp->buflen );
     return 0;
 }
 
@@ -641,7 +647,8 @@
 {
 #ifdef WITH_AIO_AND_KEVENT
     struct aiocb cb;
-    int rc;
+    int rc, se;
+    syslog( LOG_DAEMON|LOG_INFO, "squidaio_do_read(%p,%d)", requestp, kq );
     if( kq == -1 )
 	goto OldMode;
     memset( &cb, 0, sizeof cb );
@@ -652,6 +659,7 @@
 	if( cb.aio_offset == -1 ) {
 	    requestp->ret = -1;
 	    requestp->err = errno;
+	    syslog( LOG_DAEMON|LOG_INFO, "squidaio_do_read(): fail on lseek" );
 	    return;
 	}
     }
@@ -667,7 +675,10 @@
     /* Queue request.
      * Fall back to blocking mode on any error. Reason does not matter.
      */
-    if( aio_read( &cb ) < 0 )
+    rc = aio_read( &cb ); se = errno;
+    syslog( LOG_DAEMON|LOG_INFO, "squidaio_do_read(): aio_read() -> %d,%d",
+	rc, se );
+    if( rc < 0 )
 	goto OldMode;
     /* Wait for termination. Termination will be caught as kevent. */
     for(;;) {
@@ -693,9 +704,12 @@
     /* Get operation return value and record it. */
     requestp->err = rc;
     requestp->ret = aio_return( &cb );
+    syslog( LOG_DAEMON|LOG_INFO, "squidaio_do_read(): aio done, %d, %d",
+	requestp->ret, requestp->err );
     return;
 
 OldMode:
+    syslog( LOG_DAEMON|LOG_INFO, "squidaio_do_read(): blocking mode" );
 #endif
     lseek(requestp->fd, requestp->offset, requestp->whence);
     requestp->ret = read(requestp->fd, requestp->tmpbufp, requestp->buflen);