On Tue, Jul 12, 2005 at 11:36:51AM -0700, karl malbrain wrote: > The uart_open code loops waiting for CD to be asserted (whenever CLOCAL > is not set). The bottom of the loop contains the following code: > > up(&state->sem); > schedule(); > down(&state->sem); > > if( signal_pending(current) ) > break;
This does cause the process to sleep - in an interruptible wait. Please give more details about the problem you're seeing. Have you tried getting a process listing from a different virtual console, xterm or whatever you normally use? What does that say? -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
