[Xen-devel] [PATCH v2 10/11] tools/libvchan: libxenvchan_*_init: Promise an errno

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

These functions do in fact leave errno set.  We are going to want to
use this.

Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
CC: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
---
 tools/libvchan/libxenvchan.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/libvchan/libxenvchan.h b/tools/libvchan/libxenvchan.h
index d6010b145d..e4ccca1ff0 100644
--- a/tools/libvchan/libxenvchan.h
+++ b/tools/libvchan/libxenvchan.h
@@ -95,7 +95,7 @@ struct libxenvchan {
  * @param xs_path Base xenstore path for storing ring/event data
  * @param send_min The minimum size (in bytes) of the send ring (left)
  * @param recv_min The minimum size (in bytes) of the receive ring (right)
- * @return The structure, or NULL in case of an error
+ * @return The structure, or NULL in case of an error (setting errno)
  */
 struct libxenvchan *libxenvchan_server_init(struct xentoollog_logger *logger,
                                             int domain, const char* xs_path,
@@ -108,7 +108,7 @@ struct libxenvchan *libxenvchan_server_init(struct 
xentoollog_logger *logger,
  * @param logger Logger for libxc errors
  * @param domain The peer domain to connect to
  * @param xs_path Base xenstore path for storing ring/event data
- * @return The structure, or NULL in case of an error
+ * @return The structure, or NULL in case of an error (setting errno)
  */
 struct libxenvchan *libxenvchan_client_init(struct xentoollog_logger *logger,
                                             int domain, const char* xs_path);
-- 
2.11.0


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