lib/libsys/sys_irqctl.c

   1 #include "syslib.h"
   2
   3 /*===========================================================================*
   4  *                               sys_irqctl                                  *
   5  *===========================================================================*/
   6 int sys_irqctl(req, irq_vec, policy, hook_id)
   7 int req;                                /* IRQ control request */
   8 int irq_vec;                            /* IRQ vector to control */
   9 int policy;                             /* bit mask for policy flags */
  10 int *hook_id;                           /* ID of IRQ hook at kernel */
  11 {
  12     message m_irq;
  13     int s;
  14
  15     m_irq.m_type = SYS_IRQCTL;
  16     m_irq.IRQ_REQUEST = req;
  17     m_irq.IRQ_VECTOR = irq_vec;
  18     m_irq.IRQ_POLICY = policy;
  19     m_irq.IRQ_HOOK_ID = *hook_id;
  20
  21     s = _kernel_call(SYS_IRQCTL, &m_irq);
  22     if (req == IRQ_SETPOLICY) *hook_id = m_irq.IRQ_HOOK_ID;
  23     return(s);
  24 }
  25
  26