release memory allocated for upgrade at exit

This is not strictly necessary as this memory is freed anyways,
but stop valgrind from complaining and avoid unnecessary
suppressions (since shutdown performance is not important).

2 files changed, 25 insertions, 0 deletions

diff --git a/process.c b/process.c
index 0fb26a4..e817fba 100644
--- a/process.c
+++ b/process.c
@@ -25,6 +25,13 @@ static size_t process_hash(const void *x, size_t tablesize)
         return p->pid % tablesize;
 }
 
+/* needed to make valgrind happy */
+__attribute__((destructor)) static void process_atexit(void)
+{
+        if (processes)
+                hash_free(processes);
+}
+
 /* call before forking */
 void mog_process_init(size_t nr)
 {
diff --git a/upgrade.c b/upgrade.c
index 3dc7975..4083b25 100644
--- a/upgrade.c
+++ b/upgrade.c
@@ -10,6 +10,24 @@ static struct {
         char **envp;
 } start;
 
+MOG_NOINLINE static void free_list(char **head)
+{
+        char **tmp = head;
+
+        if (tmp) {
+                for (; *tmp; tmp++)
+                        free(*tmp);
+                free(head);
+        }
+}
+
+/* only needed to make valgrind happy */
+__attribute__((destructor)) static void upgrade_atexit(void)
+{
+        free_list(start.argv);
+        free_list(start.envp);
+}
+
 void mog_upgrade_prepare(int argc, char *argv[], char *envp[])
 {
         int i;