fd-tracker: restore suspended handles from their inode's path

[lttng-tools.git] / src / common / fd-tracker / fd-tracker.h

diff --git a/src/common/fd-tracker/fd-tracker.h b/src/common/fd-tracker/fd-tracker.h
index d321181ae9f2a3a9f40189944b3bfaae6cfcbde1..2ed385a2a0e4fc329ef833ff5e75dd6e39b53ffe 100644 (file)
--- a/src/common/fd-tracker/fd-tracker.h
+++ b/src/common/fd-tracker/fd-tracker.h
@@ -18,6 +18,7 @@
 #ifndef FD_TRACKER_H
 #define FD_TRACKER_H
 
+#include <common/compat/directory-handle.h>
 #include <stdint.h>
 #include <sys/types.h>
 
@@ -52,8 +53,13 @@ typedef int (*fd_close_cb)(void *, int *in_fds);
  * Set the maximal number of fds that the process should be allowed to open at
  * any given time. This function must be called before any other of this
  * interface.
+ *
+ * The unlinked_file_path is an absolute path (which does not need to exist)
+ * under which unlinked files will be stored for as long as a reference to them
+ * is held.
  */
-struct fd_tracker *fd_tracker_create(unsigned int capacity);
+struct fd_tracker *fd_tracker_create(const char *unlinked_file_path,
+               unsigned int capacity);
 
 /* Returns an error if file descriptors are leaked. */
 int fd_tracker_destroy(struct fd_tracker *tracker);
@@ -81,6 +87,7 @@ int fd_tracker_destroy(struct fd_tracker *tracker);
  * open.
  */
 struct fs_handle *fd_tracker_open_fs_handle(struct fd_tracker *tracker,
+               struct lttng_directory_handle *directory,
                const char *path,
                int flags,
                mode_t *mode);