FreeCalypso > hg > tcs211-fcmodem
view chipsetsw/riviera/support/exception.c @ 0:509db1a7b7b8
initial import: leo2moko-r1
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Mon, 01 Jun 2015 03:24:05 +0000 |
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/* ****************************** * * * Initialial version: Laurent Deniau, Laurent.Deniau@cern.ch * * For more information, please see the paper: * http://cern.ch/Laurent.Deniau/html/oopc/exception.html * * ----------------------------------------------------------- * * Strong rework and adaption to riviera by Christophe Favergeon * ****************************** */ // Authorization to use this source code communicated to Christophe Favergeon // by email #include <stdio.h> #include <stdlib.h> #include <assert.h> #include "support/exception.h" #ifndef _WINDOWS #include "config/swconfig.cfg" #endif /* global stack of exception context */ struct _exceptionContext_ *const _returnExceptionContext_[MAX_RVF_TASKS]= #if (!GSMLITE) {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; #else {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; #endif struct _exceptionContext_ *_currentExceptionContext_ [MAX_RVF_TASKS]= #if (!GSMLITE) {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL, NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; #else {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; #endif /* delete protected pointers and throw exception */ void _exceptionThrow_(int exception) { struct _protectedPtr_ *p; struct _protectedPtr_ *oldp; /* no exception context saved, exit program */ if (!_currentExceptionContext_[rvf_get_taskid()]) exit(exception); /* free pointers stored on the current exception context pointers stack */ p=_currentExceptionContext_[rvf_get_taskid()]->stack; while(p) { oldp=p->previous; p->func(p->ptr); rvf_free_buf(p); p=oldp; } _currentExceptionContext_[rvf_get_taskid()]->stack=NULL; /* jump to previous exception context */ rvf_restore_context_buffer_(_currentExceptionContext_[rvf_get_taskid()]->context, exception); } // Protect a pointer when there is a try/ctahc block active void rvf_protect_pointer(T_RVF_MB_ID mb_id,void *p,T_RVF_RELEASE_PROTECTED_POINTER func) { struct _protectedPtr_ *ptr; struct _exceptionContext_ *context; T_RVF_MB_STATUS err; if (_currentExceptionContext_[rvf_get_taskid()]) { if (p==NULL) throw(E_not_enough_memory); context=_currentExceptionContext_[rvf_get_taskid()]; err=rvf_get_buf(mb_id,sizeof(struct _protectedPtr_),(void*)&ptr); if (err==RVF_GREEN) { ptr->next=NULL; ptr->previous=NULL; ptr->ptr=p; ptr->func=func; if (context->stack==NULL) { context->stack=ptr; } else { ptr->previous=context->stack; context->stack->next=ptr; context->stack=ptr; } } else { if (p!=NULL) rvf_free_buf(p); throw(E_not_enough_memory); } } } void rvf_forget_protected_ptr() { struct _protectedPtr_ *p; struct _protectedPtr_ *oldp; p=_currentExceptionContext_[rvf_get_taskid()]->stack; while(p) { oldp=p->previous; rvf_free_buf(p); p=oldp; } _currentExceptionContext_[rvf_get_taskid()]->stack=NULL; }