- Call the per-child process callback functions even if the

[sip-router] / cfg / cfg_struct.h

diff --git a/cfg/cfg_struct.h b/cfg/cfg_struct.h
index e9554ad..95af1b7 100644 (file)
--- a/cfg/cfg_struct.h
+++ b/cfg/cfg_struct.h
@@ -27,6 +27,8 @@
  * History
  * -------
  *  2007-12-03 Initial version (Miklos)
+ *  2008-01-24 dynamic groups are introduced in order to make
+ *             variable declaration possible in the script (Miklos)
  */
 
 #ifndef _CFG_STRUCT_H
@@ -69,6 +71,8 @@ typedef struct _cfg_group {
                                        It is registered when the group is created,
                                        and updated every time the block is replaced */
 
+       unsigned char   dynamic;        /* indicates whether the variables within the group
+                                       are dynamically allocated or not */
        struct _cfg_group       *next;
        int             name_len;       
        char            name[1];
@@ -123,8 +127,19 @@ void cfg_destroy(void);
 /* per-child process init function */
 int cfg_child_init(void);
 
+/* per-child process destroy function
+ * Should be called only when the child process exits,
+ * but SER continues running.
+ *
+ * WARNING: this function call must be the very last action
+ * before the child process exits, because the local config
+ * is not available afterwards.
+ */
+void cfg_child_destroy(void);
+
 /* creates a new cfg group, and adds it to the linked list */
-int cfg_new_group(char *name, int num, cfg_mapping_t *mapping,
+cfg_group_t *cfg_new_group(char *name, int name_len,
+               int num, cfg_mapping_t *mapping,
                char *vars, int size, void **handle);
 
 /* copy the variables to shm mem */
@@ -233,6 +248,9 @@ static inline void cfg_update_local(void)
                if (unlikely(cfg_local != *cfg_global)) \
                        cfg_update_local(); \
        } while(0)
+
+/* searches a group by name */
+cfg_group_t *cfg_lookup_group(char *name, int len);
        
 /* searches a variable definition by group and variable name */
 int cfg_lookup_var(str *gname, str *vname,
@@ -242,7 +260,14 @@ int cfg_lookup_var(str *gname, str *vname,
 cfg_block_t *cfg_clone_global(void);
 
 /* clones a string to shared memory */
-char *cfg_clone_str(str s);
+int cfg_clone_str(str *src, str *dst);
+
+/* append new callbacks to the end of the child callback list
+ *
+ * WARNING: the function is unsafe, either hold CFG_LOCK(),
+ * or call the function before forking
+ */
+void cfg_install_child_cb(cfg_child_cb_t *cb_first, cfg_child_cb_t *cb_last);
 
 /* installs a new global config
  *