diff --git a/src/platform/x86_64/ipc/signal.c b/src/platform/x86_64/ipc/signal.c
index f191fa1..26621fa 100644
--- a/src/platform/x86_64/ipc/signal.c
+++ b/src/platform/x86_64/ipc/signal.c
@@ -63,4 +63,13 @@ int platformSendSignal(Thread *sender, Thread *dest, int signum, uintptr_t handl
     *stack = dest->signalTrampoline;
 
     return 0;
+}
+
+/* platformSigreturn(): restores context before a signal handler was invoked
+ * params: t - thread to restore
+ * returns: nothing
+ */
+
+void platformSigreturn(Thread *t) {
+    memcpy(t->context, t->signalContext, PLATFORM_CONTEXT_SIZE);
 }
\ No newline at end of file