[PATCH v2 09/25] lockfile: add a new method, is_lock_file_locked()
It will soon prove useful.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
lockfile.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/lockfile.h b/lockfile.h
index 7b715f9e77..572064939c 100644
--- a/lockfile.h
+++ b/lockfile.h
@@ -175,6 +175,14 @@ static inline int hold_lock_file_for_update(
return hold_lock_file_for_update_timeout(lk, path, flags, 0);
}
+/*
+ * Return a nonzero value iff `lk` is currently locked.
+ */
+static inline int is_lock_file_locked(struct lock_file *lk)
+{
+ return is_tempfile_active(&lk->tempfile);
+}
+
/*
* Append an appropriate error message to `buf` following the failure
* of `hold_lock_file_for_update()` to lock `path`. `err` should be the
--
2.11.0
Michael Haggerty <mhagger@alum.mit.edu>