[Xen-changelog] [xen master] libxl_dm: Add libxl__qemu_qmp_path()

[patchbot@xxxxxxx]

commit e829d8bac8be98b18c16bd0f41c9530cffbf9b6a
Author:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
AuthorDate: Mon Jul 23 12:20:24 2018 +0100
Commit:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
CommitDate: Tue Aug 21 11:57:50 2018 +0100

    libxl_dm: Add libxl__qemu_qmp_path()
    
    ... which generates the path to a QMP socket that libxl uses.
    
    Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
    Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 tools/libxl/libxl_dm.c       | 4 ++--
 tools/libxl/libxl_internal.h | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index 70e8b16c2d..abd31ee6f2 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -946,8 +946,8 @@ static int libxl__build_device_model_args_new(libxl__gc *gc,
     flexarray_append(dm_args, "-chardev");
     flexarray_append(dm_args,
                      GCSPRINTF("socket,id=libxl-cmd,"
-                                    "path=%s/qmp-libxl-%d,server,nowait",
-                                    libxl__run_dir_path(), guest_domid));
+                               "path=%s,server,nowait",
+                               libxl__qemu_qmp_path(gc, guest_domid)));
 
     flexarray_append(dm_args, "-no-shutdown");
     flexarray_append(dm_args, "-mon");
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 72ab177ce5..1bc9394135 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -4424,6 +4424,10 @@ static inline bool libxl__string_is_default(char **s)
 
 _hidden int libxl__prepare_sockaddr_un(libxl__gc *gc, struct sockaddr_un *un,
                                        const char *path, const char *what);
+static inline const char *libxl__qemu_qmp_path(libxl__gc *gc, int domid)
+{
+    return GCSPRINTF("%s/qmp-libxl-%d", libxl__run_dir_path(), domid);
+}
 #endif
 
 /*
--
generated by git-patchbot for /home/xen/git/xen.git#master

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