[mini] Provide a free function to the saved signal handler hash table.

This makes the cleanup code simpler, and also makes it easier to
replace saved signal handlers without having to worry about
leaking memory.

diff --git a/mono/mini/mini-posix.c b/mono/mini/mini-posix.c
index 6f6e266a3b025d72fd9998435b46a8b053747b31..e192403487b04d4571351f9551a91bac3e4e065f 100644 (file)
--- a/mono/mini/mini-posix.c
+++ b/mono/mini/mini-posix.c
@@ -167,21 +167,14 @@ save_old_signal_handler (int signo, struct sigaction *old_action)
        handler_to_save->sa_flags = old_action->sa_flags;
        
        if (!mono_saved_signal_handlers)
-               mono_saved_signal_handlers = g_hash_table_new (NULL, NULL);
+               mono_saved_signal_handlers = g_hash_table_new_full (NULL, NULL, NULL, g_free);
        g_hash_table_insert (mono_saved_signal_handlers, GINT_TO_POINTER (signo), handler_to_save);
 }
 
-static void
-free_saved_sig_handler_func (gpointer key, gpointer value, gpointer user_data)
-{
-       g_free (value);
-}
-
 static void
 free_saved_signal_handlers (void)
 {
        if (mono_saved_signal_handlers) {
-               g_hash_table_foreach (mono_saved_signal_handlers, free_saved_sig_handler_func, NULL);
                g_hash_table_destroy (mono_saved_signal_handlers);
                mono_saved_signal_handlers = NULL;
        }