From dbc179cb731580b829facb1b901238c507a6f593 Mon Sep 17 00:00:00 2001
From: Francis Deslauriers <francis.deslauriers@efficios.com>
Date: Mon, 9 Mar 2020 10:49:51 -0400
Subject: [PATCH] directory-handle: print `errno` reason on `unlinkat()` error
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This is helpful while troubleshooting clear and rotation issues.

Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I92f9551a49fced7603c8dca832566de71b188528
---
 src/common/compat/directory-handle.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/common/compat/directory-handle.c b/src/common/compat/directory-handle.c
index a790c5b79..aea4be5fe 100644
--- a/src/common/compat/directory-handle.c
+++ b/src/common/compat/directory-handle.c
@@ -355,7 +355,12 @@ static
 int lttng_directory_handle_rmdir(
 		const struct lttng_directory_handle *handle, const char *name)
 {
-	return unlinkat(handle->dirfd, name, AT_REMOVEDIR);
+	int ret = unlinkat(handle->dirfd, name, AT_REMOVEDIR);
+	if (ret) {
+		PERROR("Failed to remove directory `%s`", name);
+	}
+
+	return ret;
 }
 
 static
-- 
2.34.1