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Command: intr_barrier | Section: 9 | Source: OpenBSD | File: intr_barrier.9
INTR_BARRIER(9) FreeBSD Kernel Developer's Manual INTR_BARRIER(9)
NAME
intr_barrier - interrupt barrier
SYNOPSIS
#include <machine/intr.h>
void
intr_barrier(void *ih);
DESCRIPTION
This function guarantees that any interrupt handler invocations for the
interrupt handler specified by ih has finished before it returns. The
cookie passed to intr_barrier() should be the value returned when the
interrupt handler was established, for example the return value of
pci_intr_establish(9).
CONTEXT
intr_barrier() can be called from process context.
SEE ALSO
pci_intr_establish(9), spl(9)
FreeBSD 14.1-RELEASE-p8 September 13, 2015 FreeBSD 14.1-RELEASE-p8