STATUS symFindByNameAndTypeEPICS(
SYMTAB_ID symTblId,
char *name,
char **ppvalue,
SYM_TYPE *pType,
SYM_TYPE sType,
SYM_TYPE mask )
{
static int leadingUnderscore = 1;
static int init = 0;
STATUS status = ERROR;
if (!init) {
char *pSymValue;
SYM_TYPE type;
status = symFindByName (symTblId, "symFindByNameAndTypeEPICS", &pSymValue, &type );
if (status==OK) {
leadingUnderscore = 0;
}
init = 1;
}
if (name[0] != '_' || leadingUnderscore) {
status = symFindByNameAndType ( symTblId, name, ppvalue, pType, sType, mask );
}
else if (leadingUnderscore) {
status = symFindByNameAndType ( symTblId, (name+1), ppvalue, pType, sType, mask );
}
return status;
}
/*
* Global initialization of the reclaim data structures, mainly
* the max_files variable. This HAS to be called by some task before
* the first task that utilizes this exit's, preferrably before any
* task makes the first use of this library.
*/
STATUS reclaim_init(void)
{
int *mp;
SYM_TYPE type;
struct task_data *tdp;
int i;
if (!hook_added) {
/* race condition */
++hook_added;
/* Try to find the maxFiles value */
if (symFindByNameAndType(sysSymTbl, MAX_FILES_SYM_NAME, (char **)&mp,
&type,
N_EXT | N_BSS, N_EXT | N_BSS) == OK ||
symFindByNameAndType(sysSymTbl, MAX_FILES_SYM_NAME, (char **)&mp,
&type,
N_EXT | N_DATA, N_EXT | N_DATA) == OK) {
#ifdef DEBUG
fdprintf(2, "Found maxFiles=%d\n", *mp);
#endif
if (*mp <= FD_SETSIZE)
max_files = *mp;
else
max_files = FD_SETSIZE;
}
if (task_data != NULL && task_data->max_files != max_files) {
/* fix our own iff we have one */
if ((tdp = (struct task_data *)
realloc(task_data, sizeof(struct task_data) +
max_files*sizeof(FILE *))) != NULL) {
task_data = tdp;
for (i = task_data->max_files; i < max_files; i++)
task_data->open_fps[i] = NULL;
task_data->max_files = max_files;
}
}
/* Make sure taskVariables are deleted AFTER our hook is run. */
taskVarInit();
if(taskDeleteHookAdd((FUNCPTR)save_reclaim) != OK) {
fprintf(stderr,
"Panic: taskDeleteHook cannot be added for reclaim.\n");
return ERROR;
}
return OK;
} else
return ERROR;
}
STATUS symFindByNameAndTypeEPICS(SYMTAB_ID symTblId, char *name,
char **ppvalue, SYM_TYPE *pType, SYM_TYPE sType, SYM_TYPE mask)
{
if (name[0] == '_' && symNoUnderscore(symTblId))
name++;
return symFindByNameAndType(symTblId, name, ppvalue, pType, sType, mask);
}
static FUNCPTR lookup(char *sym)
{
FUNCPTR entry;
SYM_TYPE type;
if (symFindByNameAndType(sysSymTbl, sym, (char **)&entry,
&type, N_EXT | N_TEXT, N_EXT | N_TEXT) != OK) {
return NULL ;
}
return entry;
}
