init

shutdown.odin

@@ -0,0 +1,34 @@
+package main
+
+import "base:intrinsics"
+import "core:c"
+import "core:c/libc"
+import "core:sys/posix"
+
+shutdown_requested: libc.sig_atomic_t
+server_listener_fd: libc.sig_atomic_t = -1
+
+shutdown_signal_handler :: proc "c" (signal: c.int) {
+	intrinsics.atomic_store(&shutdown_requested, 1)
+	fd := intrinsics.atomic_exchange(&server_listener_fd, libc.sig_atomic_t(-1))
+	if fd >= 0 {
+		_ = posix.close(posix.FD(fd))
+	}
+}
+
+register_server_listener :: proc(fd: posix.FD) {
+	intrinsics.atomic_store(&server_listener_fd, libc.sig_atomic_t(fd))
+}
+
+clear_server_listener :: proc() {
+	intrinsics.atomic_store(&server_listener_fd, libc.sig_atomic_t(-1))
+}
+
+install_shutdown_handlers :: proc() {
+	libc.signal(libc.SIGINT, shutdown_signal_handler)
+	libc.signal(libc.SIGTERM, shutdown_signal_handler)
+}
+
+should_shutdown :: proc() -> bool {
+	return intrinsics.atomic_load(&shutdown_requested) == 1
+}