lttng: show man page when using command's --help

[lttng-tools.git] / src / bin / lttng / command.h

diff --git a/src/bin/lttng/command.h b/src/bin/lttng/command.h
index 451e30f793014877a00e0fc28917ebd8cd0867ba..05c51663b90e011d3174100e04915593a365f8d2 100644 (file)
--- a/src/bin/lttng/command.h
+++ b/src/bin/lttng/command.h
@@ -28,6 +28,16 @@
 #define DECL_COMMAND(_name) \
        extern int cmd_##_name(int, const char **)
 
+#define SHOW_HELP()                                                    \
+       do {                                                            \
+               ret = show_cmd_man_page(argv[0]);                       \
+                                                                       \
+               if (ret) {                                              \
+                       ERR("Cannot view man page lttng-%s(1)", argv[0]); \
+                       perror("exec");                                 \
+               }                                                       \
+       } while (0)
+
 enum cmd_error_code {
        CMD_SUCCESS = 0,
        CMD_ERROR,