+
+static int tracked_fds_find_slow(int fd) noinline;
+/*
+ * tracked_fds_find() is called for each hook call and should be as fast as
+ * possible. As most file descriptors are < TRACKFDS_STATIC_COUNT, force the
+ * compiler to inline that part which is almost exclusively used.
+ *
+ * Inlining tracked_fds_add()/tracked_fds_remove() isn't worth the effort as
+ * they are not called often enough.
+ */
+inline static int tracked_fds_find(int fd) always_inline;
+inline static int tracked_fds_find(int fd) {
+ assert(fd >= 0);
+
+ if (fd < TRACKFDS_STATIC_COUNT) {
+ return tracked_fds[fd];
+ }
+
+ return tracked_fds_find_slow(fd);
+}
+static int tracked_fds_find_slow(int fd) {
+ assert(initialized);
+
+ if (tracked_fds_list_count == 0) {
+ return 0;
+ }
+