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Any functionally equivalent program may be used. * RISC System/6000 is a trademark of International Business Machines Corporation. */ /* * Include files needed for this module follow */ #include <sys/types.h> #include <sys/errno.h> #include <stdio.h> /* * odm interface include files */ #include <sys/cfgodm.h> #include <sys/cfgdb.h> #include <cf.h> int lock_id; /* global odm lock variable */ /* * NAME: main * * FUNCTION: * * The purpose of this program is to define a ZZZ pseudo device. It * will check to see if one has already been defined, and , if one * doesn't exist, it will define them. In either case the logical name * of the device will be returned to the config manager via stdout. * */ main(argc, argv) int argc; char *argv[]; { struct CuDv cudv; /* customized dependency object */ struct PdDv pddv; /* customized dependency object */ char crit[256]; /* search criteria string */ char *odm_path; /* path to current odm directory */ int rc; /* return status */ /* * Start up the ODM */ if ( (rc = odm_initialize()) < 0 ) { /* odm initialize failed */ exit(E_ODMINIT); } /* * Lock the database so we get accurate data from it. */ odm_path = getenv( "ODMDIR" ); if ((lock_id = odm_lock(odm_path, 2)) == -1) { /* failed to lock the data base */ err_exit(E_ODMLOCK); } /* * Obtain the predefined device object for the ZZZ type, this * will give us the information needed to define a ZZZ device. */ if ((rc = (int)odm_get_first(PdDv_CLASS,"type='zzz'",&pddv)) == 0) { /* did not get predefined object for ZZZ device */ err_exit(E_NOPdDv); } else if (rc == -1) { /* odm error while trying to get object */ err_exit(E_ODMGET); } /* * See if a ZZZ device has already been defined. We will * need to run the define method if there isn't one defined * already. In either case the logical name of the device * gets returned to the config manager over stdout. The * config manager is responsible for getting the device * configured. Note: this example is for a device that allows * only one instance of itself to be defined/configured. */ sprintf(crit, "name='%s0'", pddv.prefix); rc = (int)odm_get_first(CuDv_CLASS, crit, &cudv); if (rc == 0) { /* * No customized device object exists. We need to * run the define method for ZZZ devices to create * one. First unlock the database so the define * method can access it, then invoke the define * method for the ZZZ device type. */ odm_unlock(lock_id); if ((rc = odm_run_method(pddv.Define,"-c zzz -s node -t zzz", (char **)NULL,(char **)NULL)) < 0 ) { err_exit(E_ODMRUNMETHOD); } } else if (rc == -1) { /* had an odm error trying to get object */ err_exit(E_ODMGET); } else /* print the logical name of the device to stdout */ fprintf(stdout,"%s",cudv.name); /* * Terminate the ODM connection and exit with success. */ odm_terminate(); exit(E_OK); } err_exit(exitcode) char exitcode; { odm_unlock(lock_id); odm_terminate(); exit(exitcode); }