Fixed garbage collector being inactive

src/fuse_operations.c

@@ -41,6 +41,7 @@
 #include "fuse_operations.h"
 #include "proc_operations.h"
 #include "sourcefs.h"
+#include "temp_permissions_table.h"
 #include "ui-socket.h"
 
 static void *xmp_init(struct fuse_conn_info *conn, struct fuse_config *cfg) {
@@ -67,6 +68,7 @@ static void *xmp_init(struct fuse_conn_info *conn, struct fuse_config *cfg) {
   cfg->negative_timeout = 0;
   fprintf(stderr, "%d\n", getpid());
   assert(get_mountpoint() != NULL);
+  init_garbage_collector();
 
   return NULL;
 }

src/temp_permissions_table.c

@@ -93,7 +93,7 @@ void *garbage_collector(void *arg) {
   (void)arg;
 
   while (is_gc_active) {
-    sleep(10);
+    sleep(1);
     pthread_mutex_lock(&temp_permissions_table_lock);
 
     vec(pid_t) blacklist;
@@ -102,8 +102,10 @@ void *garbage_collector(void *arg) {
     for_each(&temp_permissions_table, pid, entry) {
       if (!is_valid(*pid, entry)) {
         push(&blacklist, *pid);
-        cleanup(&(entry->allowed_files));
-        cleanup(&(entry->denied_files));
+        for_each(&entry->allowed_files, allowed_file) { free(*allowed_file); }
+        cleanup(&entry->allowed_files);
+        for_each(&entry->denied_files, denied_file) { free(*denied_file); }
+        cleanup(&entry->denied_files);
       }
     }
 

src/temp_permissions_table.h

@@ -13,6 +13,13 @@
  */
 int init_temp_permissions_table(void);
 
+/**
+ * Starts the temporary permissions table garbage_collector.
+ *
+ * @return: 0 on success, -1 on failure (e.g. ENOMEM)
+ */
+int init_garbage_collector(void);
+
 /**
  * Destroys the temporary permissions table.
  *

test/test.bash

@@ -210,4 +210,4 @@ fi
 sleep 0.5
 #lsof +f -- $(realpath ./protected)
 umount "$(realpath ./protected)"
-sleep 0.5
+sleep 2