X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Ffs-handle-internal.hpp;fp=src%2Fcommon%2Ffs-handle-internal.hpp;h=08824673d3e1e93165dabe2e0aa47739eb989689;hb=c9e313bc594f40a86eed237dce222c0fc99c957f;hp=0000000000000000000000000000000000000000;hpb=4878de5c7deb512bbdac4fdfc498907efa06fb7c;p=lttng-tools.git

diff --git a/src/common/fs-handle-internal.hpp b/src/common/fs-handle-internal.hpp
new file mode 100644
index 000000000..08824673d
--- /dev/null
+++ b/src/common/fs-handle-internal.hpp
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef FS_HANDLE_INTERNAL_H
+#define FS_HANDLE_INTERNAL_H
+
+struct fs_handle;
+
+/*
+ * Multiple internal APIs return fs_handles. For the moment, this internal
+ * interface allows the use of different fs_handle implementations in different
+ * daemons. For instance, the trace chunk interface returns fs_handles that
+ * behave diffently depending on whether or not the trace chunk was configured
+ * to use an fd-tracker.
+ */
+
+typedef int (*fs_handle_get_fd_cb)(struct fs_handle *);
+typedef void (*fs_handle_put_fd_cb)(struct fs_handle *);
+typedef int (*fs_handle_unlink_cb)(struct fs_handle *);
+typedef int (*fs_handle_close_cb)(struct fs_handle *);
+
+struct fs_handle {
+	fs_handle_get_fd_cb get_fd;
+	fs_handle_put_fd_cb put_fd;
+	fs_handle_unlink_cb unlink;
+	fs_handle_close_cb close;
+};
+
+#endif /* FS_HANDLE_INTERNAL_H */