/* installs a new global config
*
* replaced is an array of strings that must be freed together
* with the previous global config.
* cb_first and cb_last define a linked list of per-child process
* callbacks. This list is added to the global linked list.
*/
void cfg_install_global(cfg_block_t *block, void **replaced,
cfg_child_cb_t *cb_first, cfg_child_cb_t *cb_last)
{
cfg_block_t* old_cfg;
CFG_REF(block);
if (replaced) {
/* The replaced array is specified, it has to be linked to the child cb structure.
* The last child process processing this structure will free the old strings and the array. */
if (cb_first) {
cb_first->replaced = replaced;
} else {
/* At least one child cb structure is needed. */
cb_first = cfg_child_cb_new(NULL, NULL, NULL, 0 /* gname, name, cb, type */);
if (cb_first) {
cb_last = cb_first;
cb_first->replaced = replaced;
} else {
LOG(L_ERR, "ERROR: cfg_install_global(): not enough shm memory\n");
/* Nothing more can be done here, the replaced strings are still needed,
* they cannot be freed at this moment.
*/
}
}
}
CFG_LOCK();
old_cfg = *cfg_global;
*cfg_global = block;
if (cb_first)
cfg_install_child_cb(cb_first, cb_last);
CFG_UNLOCK();
if (old_cfg)
CFG_UNREF(old_cfg);
}
/* installs a new global config
*
* replaced is an array of strings that must be freed together
* with the previous global config.
* cb_first and cb_last define a linked list of per-child process
* callbacks. This list is added to the global linked list.
*/
void cfg_install_global(cfg_block_t *block, char **replaced,
cfg_child_cb_t *cb_first, cfg_child_cb_t *cb_last)
{
cfg_block_t* old_cfg;
CFG_REF(block);
CFG_LOCK();
old_cfg = *cfg_global;
*cfg_global = block;
if (cb_first)
cfg_install_child_cb(cb_first, cb_last);
CFG_UNLOCK();
if (old_cfg) {
if (replaced) (old_cfg)->replaced = replaced;
CFG_UNREF(old_cfg);
}
}
