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16 Netra CP2500 Board Programming Guide • March 2007
ptr = strchr(wd_name, ’:’);
if (ptr == NULL) { /* invalid format */
(void) fprintf(stderr, "%s:Node not found:%d\n",
prog, picl2errno(PICL_NODENOTFOUND));
return (PICL_NODENOTFOUND);
}
wd_arg.name = wd_name;
wd_arg.action = action;
wd_arg.error_code = 0;
if (timeout) {
errno = 0;
wd_arg.timeout = strtol(timeout, NULL, 10);
if (errno != 0) {
(void) fprintf(stderr, "%s:Illegal timeout value\n",
prog);
return (PICL_INVALIDARG);
}
} else {
wd_arg.timeout = ILLEGAL_TIMEOUT; /* need not program timeout */
}
err = picl_walk_tree_by_class(rooth, PICL_WATCHDOG_CONTROLLER,
(void *)&wd_arg, wd_set_params);
return (err);
}
/*
* This is the callback function that gets called due to
* picl_walk_tree_by_class function call from control_wd function.
* This function is used to arm/disarm the watchdog controller.
*/
static int
wd_change_state(picl_nodehdl_t nodeh, void *arg)
{
int err = PICL_SUCCESS;
char cntrl_name[PICL_PROPNAMELEN_MAX];
wdadm_args_t *wd_arg = NULL;
wd_arg = (wdadm_args_t *)arg;
if (wd_arg == NULL || wd_arg->name == NULL)
return (PICL_WALK_TERMINATE);
err = picl_get_propval_by_name(nodeh, PICL_PROP_NAME,
(void *)cntrl_name, PICL_PROPNAMELEN_MAX);
if (err != PICL_SUCCESS) {
CODE EXAMPLE 1-1 System Watchdog Node Management Code Example (Continued)