X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommand.h;h=bda6ef937d3b4c4ce0498fce49b771e52ddec45c;hp=a4f06d446011809783f4613bf083edb608ff567d;hb=287a512f2b868c16132b894a8143a5faf0379ca8;hpb=ccf10263bcd2ca4667b9e1fc4dab64a3c8d8c4d8

diff --git a/src/bin/lttng/command.h b/src/bin/lttng/command.h
index a4f06d446..bda6ef937 100644
--- a/src/bin/lttng/command.h
+++ b/src/bin/lttng/command.h
@@ -25,6 +25,27 @@
 #include "conf.h"
 #include "utils.h"
 
+#define DECL_COMMAND(_name) \
+	extern int cmd_##_name(int, const char **)
+
+#ifdef LTTNG_EMBED_HELP
+# define HELP_MSG_NAME		help_msg
+# define SHOW_HELP_ERROR_LINE	ERR("Cannot show --help for `lttng-%s`", argv[0]);
+#else
+# define HELP_MSG_NAME		NULL
+# define SHOW_HELP_ERROR_LINE	;
+#endif
+
+#define SHOW_HELP() 							\
+	do {								\
+		ret = show_cmd_help(argv[0], HELP_MSG_NAME);		\
+									\
+		if (ret) {						\
+			SHOW_HELP_ERROR_LINE 				\
+			ret = CMD_ERROR;				\
+		}							\
+	} while (0)
+
 enum cmd_error_code {
 	CMD_SUCCESS = 0,
 	CMD_ERROR,
@@ -39,26 +60,31 @@ struct cmd_struct {
 	int (*func)(int argc, const char **argv);
 };
 
-extern int cmd_list(int argc, const char **argv);
-extern int cmd_create(int argc, const char **argv);
-extern int cmd_destroy(int argc, const char **argv);
-extern int cmd_start(int argc, const char **argv);
-extern int cmd_stop(int argc, const char **argv);
-extern int cmd_enable_events(int argc, const char **argv);
-extern int cmd_disable_events(int argc, const char **argv);
-extern int cmd_enable_channels(int argc, const char **argv);
-extern int cmd_disable_channels(int argc, const char **argv);
-extern int cmd_add_context(int argc, const char **argv);
-extern int cmd_set_session(int argc, const char **argv);
-extern int cmd_version(int argc, const char **argv);
-extern int cmd_calibrate(int argc, const char **argv);
-extern int cmd_view(int argc, const char **argv);
-extern int cmd_enable_consumer(int argc, const char **argv);
-extern int cmd_disable_consumer(int argc, const char **argv);
-extern int cmd_snapshot(int argc, const char **argv);
-extern int cmd_save(int argc, const char **argv);
-extern int cmd_load(int argc, const char **argv);
-extern int cmd_track(int argc, const char **argv);
-extern int cmd_untrack(int argc, const char **argv);
+DECL_COMMAND(list);
+DECL_COMMAND(status);
+DECL_COMMAND(create);
+DECL_COMMAND(destroy);
+DECL_COMMAND(start);
+DECL_COMMAND(stop);
+DECL_COMMAND(enable_events);
+DECL_COMMAND(disable_events);
+DECL_COMMAND(enable_channels);
+DECL_COMMAND(disable_channels);
+DECL_COMMAND(add_context);
+DECL_COMMAND(set_session);
+DECL_COMMAND(version);
+DECL_COMMAND(view);
+DECL_COMMAND(enable_consumer);
+DECL_COMMAND(disable_consumer);
+DECL_COMMAND(snapshot);
+DECL_COMMAND(save);
+DECL_COMMAND(load);
+DECL_COMMAND(track);
+DECL_COMMAND(untrack);
+DECL_COMMAND(metadata);
+DECL_COMMAND(regenerate);
+
+extern int cmd_help(int argc, const char **argv,
+		const struct cmd_struct commands[]);
 
 #endif /* _LTTNG_CMD_H */