[PATCH v8 1/2 hurd] libirqhelp: Add library

Add a helper library for attaching interrupt handlers in userspace. --- Makefile | 1 + libirqhelp/Makefile | 28 libirqhelp/irqhelp.c | 359 +++ libirqhelp/irqhelp.h | 49 ++ 4 files changed, 437 insertions(+) create mode 100644

[PATCH v8 0/2 hurd] Add irqhelp and clean up ddekit

Hi, I think we need to allow the irq handler to be called one more time, because we don't know if there is a pending interrupt until we need to handle one. Once we enable the irq one more time, it is necessary to handle the last interrupt before quitting the handler. I tested this behaviour and

[PATCH v8 2/2 hurd] ddekit: Use libirqhelp for interrupt registration

Use the new irqhelp library in ddekit and clean up. --- libddekit/Makefile| 2 +- libddekit/interrupt.c | 208 ++ 2 files changed, 28 insertions(+), 182 deletions(-) diff --git a/libddekit/Makefile b/libddekit/Makefile index 88a0c8909..c74ec1128 1006