@@ -27,7 +27,13 @@ typedef int (QEMUFilePutBufferFunc)(void *opaque, const uint8_t *buf,
typedef int (QEMUFileGetBufferFunc)(void *opaque, uint8_t *buf,
int64_t pos, int size);
-/* Close a file and return an error code */
+/* Close a file
+ *
+ * Return negative error number on error, 0 or positive value on success.
+ *
+ * The meaning of return value on success depends on the specific back-end being
+ * used.
+ */
typedef int (QEMUFileCloseFunc)(void *opaque);
/* Called to determine if the file has exceeded it's bandwidth allocation. The
qemu_fclose() and QEMUFile->close will return -errno on error, and any positive value on success. We need the positive non-zero success values because migration-exec.c:exec_close() relies on non-zero return values to get the process exit code. Changes v1 -> v2: - Cosmetic spelling change on comment text Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> --- hw/hw.h | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)