34 lines
		
	
	
		
			873 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			873 B
		
	
	
	
		
			C
		
	
	
	
	
	
/* The kernel call implemented in this file:
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 *   m_type:	SYS_STATECTL
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 *
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 * The parameters for this kernel call are:
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 *    m2_i2:	CTL_REQUEST	(state control request)
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 */
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#include "kernel/system.h"
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#if USE_STATECTL
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/*===========================================================================*
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 *			          do_statectl				     *
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 *===========================================================================*/
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int do_statectl(struct proc * caller, message * m_ptr)
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{
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/* Handle sys_statectl(). A process has issued a state control request. */
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  switch(m_ptr->CTL_REQUEST)
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  {
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  case SYS_STATE_CLEAR_IPC_REFS:
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	/* Clear IPC references for all the processes communicating
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	 * with the caller.
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	 */
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	clear_ipc_refs(caller, EDEADSRCDST);
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	return(OK);
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  default:
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	printf("do_statectl: bad request %d\n", m_ptr->CTL_REQUEST);
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	return EINVAL;
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  }
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}
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#endif /* USE_STATECTL */
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