m.roth at 5-cent.us wrote: > I want to add a sleep() to a module. It tells me it can't find <time.h>; > if I tell it "/usr/include/time.h", it gives me a ton of errors (I *have* > put the #include just above where I call sleep, not up at the top). > > Any clues as to what I'm doing wrong? With kernel > /vmlinuz-2.6.18-194.3.1.el5, I just added the line > extern unsigned int sleep( unsigned int seconds ); > and everything was wonderful; with the current kernel, it complains sleep > is undefined. The kernel doesn't use include files from /usr/include - it uses its own from its own include directory You probably want to use something like ssleep(), msleep() or mdelay() - see include/linux/delay.h and kernel/timer.c James Pearson