132 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "syslib.h"
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| #include <assert.h>
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| #include <minix/sysutil.h>
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| 
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| /* SEF Init callbacks. */
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| PRIVATE struct sef_cbs {
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|     sef_cb_init_t                       sef_cb_init_fresh;
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|     sef_cb_init_t                       sef_cb_init_lu;
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|     sef_cb_init_t                       sef_cb_init_restart;
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| } sef_cbs = {
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|     SEF_CB_INIT_FRESH_DEFAULT,
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|     SEF_CB_INIT_LU_DEFAULT,
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|     SEF_CB_INIT_RESTART_DEFAULT
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| };
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| 
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| /* SEF Init prototypes for sef_startup(). */
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| PUBLIC _PROTOTYPE( int do_sef_rs_init, (void) );
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| PUBLIC _PROTOTYPE( int do_sef_init_request, (message *m_ptr) );
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| 
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| /* Debug. */
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| EXTERN _PROTOTYPE( char* sef_debug_header, (void) );
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| 
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| /*===========================================================================*
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|  *                              do_sef_rs_init             		     *
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|  *===========================================================================*/
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| PUBLIC int do_sef_rs_init()
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| {
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| /* Special SEF Init for RS. */
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|   return sef_cbs.sef_cb_init_fresh(SEF_INIT_FRESH, NULL);
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| }
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| 
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| /*===========================================================================*
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|  *                            do_sef_init_request             		     *
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|  *===========================================================================*/
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| PUBLIC int do_sef_init_request(message *m_ptr)
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| {
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| /* Handle a SEF Init request. */
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|   int r;
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|   int type;
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|   sef_init_info_t info;
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| 
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|   /* Debug. */
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| #if SEF_INIT_DEBUG
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|   sef_init_debug_begin();
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|   sef_init_dprint("%s. Got a SEF Init request of type: %d. About to init.\n",
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|       sef_debug_header(), m_ptr->RS_INIT_TYPE);
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|   sef_init_debug_end();
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| #endif
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| 
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|   /* Let the callback code handle the request. */
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|   type = m_ptr->RS_INIT_TYPE;
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|   info.rproctab_gid = m_ptr->RS_INIT_RPROCTAB_GID;
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|   info.old_endpoint = m_ptr->RS_INIT_OLD_ENDPOINT;
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|   switch(type) {
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|       case SEF_INIT_FRESH:
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|           r = sef_cbs.sef_cb_init_fresh(type, &info);
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|       break;
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|       case SEF_INIT_LU:
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|           r = sef_cbs.sef_cb_init_lu(type, &info);
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|       break;
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|       case SEF_INIT_RESTART:
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|           r = sef_cbs.sef_cb_init_restart(type, &info);
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|       break;
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| 
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|       default:
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|           /* Not a valid SEF init type. */
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|           r = EINVAL;
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|       break;
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|   }
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| 
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|   /* Report back to RS. */
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|   m_ptr->RS_INIT_RESULT = r;
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|   r = sendrec(RS_PROC_NR, m_ptr);
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| 
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|   return r;
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| }
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| 
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| /*===========================================================================*
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|  *                         sef_setcb_init_fresh                              *
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|  *===========================================================================*/
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| PUBLIC void sef_setcb_init_fresh(sef_cb_init_t cb)
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| {
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|   assert(cb != NULL);
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|   sef_cbs.sef_cb_init_fresh = cb;
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| }
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| 
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| /*===========================================================================*
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|  *                            sef_setcb_init_lu                              *
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|  *===========================================================================*/
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| PUBLIC void sef_setcb_init_lu(sef_cb_init_t cb)
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| {
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|   assert(cb != NULL);
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|   sef_cbs.sef_cb_init_lu = cb;
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| }
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| 
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| /*===========================================================================*
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|  *                         sef_setcb_init_restart                            *
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|  *===========================================================================*/
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| PUBLIC void sef_setcb_init_restart(sef_cb_init_t cb)
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| {
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|   assert(cb != NULL);
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|   sef_cbs.sef_cb_init_restart = cb;
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| }
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| 
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| /*===========================================================================*
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|  *      	              sef_cb_init_null                               *
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|  *===========================================================================*/
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| PUBLIC int sef_cb_init_null(int UNUSED(type),
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|    sef_init_info_t *UNUSED(info))
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| {
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|   return OK;
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| }
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| 
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| /*===========================================================================*
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|  *      	              sef_cb_init_fail                               *
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|  *===========================================================================*/
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| PUBLIC int sef_cb_init_fail(int UNUSED(type), sef_init_info_t *UNUSED(info))
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| {
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|   return ENOSYS;
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| }
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| 
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| /*===========================================================================*
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|  *      	              sef_cb_init_crash                              *
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|  *===========================================================================*/
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| PUBLIC int sef_cb_init_crash(int UNUSED(type), sef_init_info_t *UNUSED(info))
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| {
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|   panic("Simulating a crash at initialization time...");
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| 
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|   return OK;
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| }
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| 
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