diff options
Diffstat (limited to 'src/interrupts/irq.c')
| -rw-r--r-- | src/interrupts/irq.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/interrupts/irq.c b/src/interrupts/irq.c index 70f1eff..cf9e1fe 100644 --- a/src/interrupts/irq.c +++ b/src/interrupts/irq.c @@ -50,6 +50,10 @@ void irq_uninstall_handler(int irq) { irq_routines[irq] = 0; } +int irq_is_installed(int irq) { + return irq_routines[irq] != 0; +} + // Remap IRQs for protected mode compatibility via the PIC void irq_remap(void) { send(0x20, 0x11); |