DRMAA2 job session creation and destruction in C

gistfile1.c

/* creates and implicitly opens the newly created job session */
drmaa2_jsession js = drmaa2_create_jsession("user123_job_session", NULL);
    
/* if the return value is NULL an error happend */
if (js == NULL) {
  /* the error text is stored in the threads context, for reading 
     it out the following function can be used */
  drmaa2_string error = drmaa2_lasterror_text();
  printf("Could not create jsession. %s\n", error);
  /* the newly allocated string must be freed by the caller */
  drmaa2_string_free(&error); 
  return 1;
}
	
/* TODO here jobs can be submitted, controlled and monitored 
   using the js object */
...

/* finally the job session needs to be closed, i.e. the connection
   to the qmaster is disengaged */
drmaa2_close_jsession(js);
	
/* the job session object needs to be freed - it will be set to NULL as well */
drmaa2_jsession_free(&js);

/* finally the job session needs to be destroyed on the qmaster */
drmaa2_destroy_jsession("user123_job_session");