> Is setjmp/longjmp allowed in kernel code? Is it even implemented?
No and no.
> The reason I ask is that the only working Mac pseudo DMA implementation I
> have found uses it (in NetBSD/FreeBSD, sys/arch/mac68k/obio/esp.c) to
> longjmp from the bus error handler back to the driver. My driver doesn't
> use that algorithm and doesn't work :-(
> Anyone have any suggestions?
See <asm/uaccess.h> for how to use exception handlers.
Andreas Schwab, SuSE Labs, schwab@suse... SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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