xref: /minix3/minix/lib/libsys/sys_irqctl.c (revision 433d6423c39e34ec4b79c950597bb2d236f886be) 
1 #include "syslib.h"
2 
3 /*===========================================================================*
4  *                               sys_irqctl				     *
5  *===========================================================================*/
sys_irqctl(req,irq_vec,policy,hook_id)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.m_lsys_krn_sys_irqctl.request = req;
17     m_irq.m_lsys_krn_sys_irqctl.vector = irq_vec;
18     m_irq.m_lsys_krn_sys_irqctl.policy = policy;
19     m_irq.m_lsys_krn_sys_irqctl.hook_id = *hook_id;
20 
21     s = _kernel_call(SYS_IRQCTL, &m_irq);
22     if (req == IRQ_SETPOLICY) *hook_id = m_irq.m_krn_lsys_sys_irqctl.hook_id;
23     return(s);
24 }
25