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view src/g23m-aci/aci/cmh_ppp.h @ 268:f2e52cab0a73

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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents fa8dc04885d8
children
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/* 
+----------------------------------------------------------------------------- 
|  Project :  WAP
|  Modul   :  CMH_PPP
+----------------------------------------------------------------------------- 
|  Copyright 2002 Texas Instruments Berlin, AG 
|                 All rights reserved. 
| 
|                 This file is confidential and a trade secret of Texas 
|                 Instruments Berlin, AG 
|                 The receipt of or possession of this file does not convey 
|                 any rights to reproduce or disclose its contents or to 
|                 manufacture, use, or sell anything it may describe, in 
|                 whole, or in part, without the specific written consent of 
|                 Texas Instruments Berlin, AG. 
+----------------------------------------------------------------------------- 
|  Purpose :  Definitions for command handler PPP.
+----------------------------------------------------------------------------- 
*/ 

#ifndef CMH_PPP_H
#define CMH_PPP_H

/*==== CONSTANTS ==================================================*/


/*==== TYPES ======================================================*/


/*==== PROTOTYPES =================================================*/

EXTERN T_ACI_RETURN cmhPPP_Established(ULONG ip, USHORT mru,
                                       ULONG dns1, ULONG dns2) ;
EXTERN T_ACI_RETURN cmhPPP_Terminated ( void );
EXTERN T_ACI_RETURN cmhPPP_Terminate (  T_ACI_PPP_LOWER_LAYER ppp_lower_layer );

/*==== EXPORT =====================================================*/

#ifdef CMH_PPPF_C

GLOBAL T_ENT_STAT pppEntStat;

#else

EXTERN T_ENT_STAT pppEntStat;

#endif /* CMH_PPPF_C */


#endif /* CMH_PPP_H */

/*==== EOF =======================================================*/