INTR_BARRIER(9) | Kernel Developer's Manual | INTR_BARRIER(9) |
intr_barrier
—
interrupt barrier
#include
<machine/intr.h>
void
intr_barrier
(void
*ih);
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).
intr_barrier
() can be called from process
context.
September 13, 2015 | OpenBSD-current |