diff options
Diffstat (limited to 'runtime/module-template.h')
| -rw-r--r-- | runtime/module-template.h | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/runtime/module-template.h b/runtime/module-template.h index c2585e67..2b0ed593 100644 --- a/runtime/module-template.h +++ b/runtime/module-template.h @@ -35,7 +35,7 @@ /* macro to define standard output-module static data members */ #define DEF_MOD_STATIC_DATA \ - static __attribute__((unused)) rsRetVal (*omsdRegCFSLineHdlr)(); + static __attribute__((unused)) rsRetVal (*omsdRegCFSLineHdlr)(uchar *pCmdName, int bChainingPermitted, ecslCmdHdrlType eType, rsRetVal (*pHdlr)(), void *pData, void *pOwnerCookie, ecslConfObjType eConfObjType); #define DEF_OMOD_STATIC_DATA \ DEF_MOD_STATIC_DATA \ @@ -316,6 +316,50 @@ static rsRetVal tryResume(instanceData __attribute__((unused)) *pData)\ } +/* Config scoping system. + * save current config scope and start a new one. Note that we do NOT implement a + * stack. Exactly one scope can be saved. + * We assume standard naming conventions (local confgSettings_t holds all + * config settings and MUST have been defined before this macro is being used!). + * Note that initConfVars() must be defined locally as well. + */ +#define SCOPING_SUPPORT \ +static rsRetVal initConfVars(void);\ +static configSettings_t cs; /* our current config settings */ \ +static configSettings_t cs_save; /* our saved (scope!) config settings */ \ +static rsRetVal newScope(void) \ +{ \ + DEFiRet; \ + memcpy(&cs_save, &cs, sizeof(cs)); \ + iRet = initConfVars(); \ + RETiRet; \ +} \ +static rsRetVal restoreScope(void) \ +{ \ + DEFiRet; \ + memcpy(&cs, &cs_save, sizeof(cs)); \ + RETiRet; \ +} +/* initConfVars() + * This entry point is called to check if a module can resume operations. This + * happens when a module requested that it be suspended. In suspended state, + * the engine periodically tries to resume the module. If that succeeds, normal + * processing continues. If not, the module will not be called unless a + * tryResume() call succeeds. + * Returns RS_RET_OK, if resumption succeeded, RS_RET_SUSPENDED otherwise + * rgerhard, 2007-08-02 + */ +#define BEGINinitConfVars \ +static rsRetVal initConfVars(void)\ +{\ + DEFiRet; + +#define CODESTARTinitConfVars + +#define ENDinitConfVars \ + RETiRet;\ +} + /* queryEtryPt() */ @@ -370,6 +414,10 @@ static rsRetVal queryEtryPt(uchar *name, rsRetVal (**pEtryPoint)())\ *pEtryPoint = freeInstance;\ } else if(!strcmp((char*) name, "parseSelectorAct")) {\ *pEtryPoint = parseSelectorAct;\ + } else if(!strcmp((char*) name, "newScope")) {\ + *pEtryPoint = newScope;\ + } else if(!strcmp((char*) name, "restoreScope")) {\ + *pEtryPoint = restoreScope;\ } else if(!strcmp((char*) name, "isCompatibleWithFeature")) {\ *pEtryPoint = isCompatibleWithFeature;\ } else if(!strcmp((char*) name, "tryResume")) {\ @@ -485,6 +533,10 @@ rsRetVal modInit##uniqName(int iIFVersRequested __attribute__((unused)), int *ip /* now get the obj interface so that we can access other objects */ \ CHKiRet(pObjGetObjInterface(&obj)); +/* do those initializations necessary for scoping */ +#define SCOPINGmodInit \ + initConfVars(); + #define ENDmodInit \ finalize_it:\ *pQueryEtryPt = queryEtryPt;\ |