lttng: add `help` command

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

diff --git a/src/bin/lttng/command.h b/src/bin/lttng/command.h
index 05c51663b90e011d3174100e04915593a365f8d2..72cf4e0ff0334ab5add1bf629b0b6aec4f3b8992 100644 (file)
--- a/src/bin/lttng/command.h
+++ b/src/bin/lttng/command.h
@@ -35,6 +35,7 @@
                if (ret) {                                              \
                        ERR("Cannot view man page lttng-%s(1)", argv[0]); \
                        perror("exec");                                 \
+                       ret = CMD_ERROR;                                \
                }                                                       \
        } while (0)
 
@@ -76,4 +77,7 @@ DECL_COMMAND(track);
 DECL_COMMAND(untrack);
 DECL_COMMAND(metadata);
 
+extern int cmd_help(int argc, const char **argv,
+               const struct cmd_struct commands[]);
+
 #endif /* _LTTNG_CMD_H */