34 lines
805 B
C
34 lines
805 B
C
/* The system call implemented in this file:
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* m_type: SYS_IOPENABLE
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*
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* The parameters for this system call are:
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* m2_i2: PROC_NR (process to give I/O Protection Level bits)
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*
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* Author:
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* Jorrit N. Herder <jnherder@cs.vu.nl>
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*/
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#include "../kernel.h"
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#include "../system.h"
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/*===========================================================================*
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* do_iopenable *
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*===========================================================================*/
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PUBLIC int do_iopenable(m_ptr)
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register message *m_ptr; /* pointer to request message */
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{
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int proc_nr;
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#if 1 /* ENABLE_USERPRIV && ENABLE_USERIOPL */
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proc_nr= m_ptr->PROC_NR;
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if (proc_nr == SELF)
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proc_nr = m_ptr->m_source;
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enable_iop(proc_addr(proc_nr));
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return(OK);
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#else
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return(EPERM);
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#endif
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}
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