search for: actual_pthread_mutex_lock

Hi, is it somehow possible to use Dtrace for error injection in a kernel module? Something like changing: - function return value - value of a register If not, can it be implemented? I can do that via kmdb, but I need Dtrace for the time synchronization - chill() action. I can not combine Dtrace & kmdb: dtrace: failed to initialize dtrace: DTrace cannot be used when kernel debugger

I''d like to see if we can use DTrace to as the kernel implementation of the BSD systrace security policy system (http://www.systrace.org). I don''t really want to port systrace to Solaris because I think with DTrace we already have all the necessary in kernel hooks to do this. With systrace you express things like: "httpd can bind to port 80 but not any other port, it