It seems that cdrecord needs to be run as root (and hence setpriority()

etc.) to be reliable.

diff --git a/burn-cd b/burn-cd
index 462cc6d98004fa463fe0a1572231bdfc7b050843..80c19fd5006a3ad250acdf82c3c2dad8035c4866 100755 (executable)
--- a/burn-cd
+++ b/burn-cd
@@ -1,4 +1,4 @@
 #! /bin/sh
 set -e
-cdrecord -v -tao dev=/dev/cdrom gracetime=2 blank=fast
-cdrecord -v -tao dev=/dev/cdrom gracetime=2 "$1"
+sudo cdrecord -v -tao dev=/dev/cdrom gracetime=2 blank=fast
+sudo cdrecord -v -tao dev=/dev/cdrom gracetime=2 "$1"