1 files changed, 32 insertions, 1 deletions
diff --git a/src/afl-fuzz-state.c b/src/afl-fuzz-state.c
index af6fc11f..4f5389e3 100644
--- a/src/afl-fuzz-state.c
+++ b/src/afl-fuzz-state.c
@@ -71,7 +71,7 @@ static void init_mopt_globals(afl_state_t *afl) {
 /* A global pointer to all instances is needed (for now) for signals to arrive
  */
 
-list_t afl_states = {.element_prealloc_count = 0};
+static list_t afl_states = {.element_prealloc_count = 0};
 
 /* Initializes an afl_state_t. */
 
@@ -398,3 +398,34 @@ void afl_state_deinit(afl_state_t *afl) {
 
 }
 
+void afl_states_stop(void) {
+
+  /* We may be inside a signal handler.
+   Set flags first, send kill signals to child proceses later. */
+  LIST_FOREACH(&afl_states, afl_state_t, {
+
+    el->stop_soon = 1;
+
+  });
+
+  LIST_FOREACH(&afl_states, afl_state_t, {
+
+    if (el->fsrv.child_pid > 0) kill(el->fsrv.child_pid, SIGKILL);
+    if (el->fsrv.fsrv_pid > 0) kill(el->fsrv.fsrv_pid, SIGKILL);
+
+  });
+
+}
+
+void afl_states_clear_screen(void) {
+
+  LIST_FOREACH(&afl_states, afl_state_t, { el->clear_screen = 1; });
+
+}
+
+void afl_states_request_skip(void) {
+
+  LIST_FOREACH(&afl_states, afl_state_t, { el->skip_requested = 1; });
+
+}
+