[PATCH 3/3] xl/libxl: make shutdown accept the long option --wait for -w

[linux@eikelenboom.it]

From: Sander Eikelenboom <linux@eikelenboom.it>

Make xl/libxl accept the long option --wait for -w to be compatible with xm.
The long options are used in the default init and sysconfig scripts

Signed-off-by: Sander Eikelenboom <linux@eikelenboom.it>
---
 docs/man/xl.pod.1         |    2 +-
 tools/libxl/xl_cmdimpl.c  |    7 ++++++-
 tools/libxl/xl_cmdtable.c |    2 +-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/docs/man/xl.pod.1 b/docs/man/xl.pod.1
index 25ce777..dd387c9 100644
--- a/docs/man/xl.pod.1
+++ b/docs/man/xl.pod.1
@@ -550,7 +550,7 @@ B<OPTIONS>
 
 =over 4
 
-=item B<-w>
+=item B<-w>, B<--wait>
 
 Wait for the domain to complete shutdown before returning.
 
diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index 93066d3..768ba1f 100644
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -3709,8 +3709,13 @@ int main_shutdown(int argc, char **argv)
     int opt;
     int wait_for_it = 0;
     int fallback_trigger = 0;
+    int option_index = 0;
+    static struct option long_options[] = {
+        {"wait", 0, 0, 'w'},
+        {0, 0, 0, 0}
+    };
 
-    while ((opt = def_getopt(argc, argv, "wF", "shutdown", 1)) != -1) {
+    while ((opt = getopt_long(argc, argv, "wF", long_options, &option_index)) != -1) {
         switch (opt) {
         case 0: case 2:
             return opt;
diff --git a/tools/libxl/xl_cmdtable.c b/tools/libxl/xl_cmdtable.c
index 85ea768..b398c0a 100644
--- a/tools/libxl/xl_cmdtable.c
+++ b/tools/libxl/xl_cmdtable.c
@@ -64,7 +64,7 @@ struct cmd_spec cmd_table[] = {
       "-h                      Print this help.\n"
       "-F                      Fallback to ACPI power event for HVM guests with\n"
       "                        no PV drivers.\n"
-      "-w                      Wait for guest to shutdown.\n"
+      "-w, --wait              Wait for guest to shutdown.\n"
     },
     { "reboot",
       &main_reboot, 0, 1,
-- 
1.7.2.5