Merge branch 'js/update-index-ignore-removal-for-skip-worktree'

[thirdparty/git.git] / trace2 / tr2_tgt_event.c

diff --git a/trace2/tr2_tgt_event.c b/trace2/tr2_tgt_event.c
index 9bcac20d1b5a3da6a996c85adbaf4eb19ffb9f15..6353e8ad915610bc93147c5291bc6f31020ac03f 100644 (file)
--- a/trace2/tr2_tgt_event.c
+++ b/trace2/tr2_tgt_event.c
@@ -10,16 +10,17 @@
 #include "trace2/tr2_tgt.h"
 #include "trace2/tr2_tls.h"
 
-static struct tr2_dst tr2dst_event = { TR2_SYSENV_EVENT, 0, 0, 0 };
+static struct tr2_dst tr2dst_event = { TR2_SYSENV_EVENT, 0, 0, 0, 0 };
 
 /*
- * The version number of the JSON data generated by the EVENT target
- * in this source file.  Update this if you make a significant change
- * to the JSON fields or message structure.  You probably do not need
- * to update this if you just add another call to one of the existing
- * TRACE2 API methods.
+ * The version number of the JSON data generated by the EVENT target in this
+ * source file. The version should be incremented if new event types are added,
+ * if existing fields are removed, or if there are significant changes in
+ * interpretation of existing events or fields. Smaller changes, such as adding
+ * a new field to an existing event, do not require an increment to the EVENT
+ * format version.
  */
-#define TR2_EVENT_VERSION "1"
+#define TR2_EVENT_VERSION "2"
 
 /*
  * Region nesting limit for messages written to the event target.
@@ -107,6 +108,19 @@ static void event_fmt_prepare(const char *event_name, const char *file,
                jw_object_intmax(jw, "repo", repo->trace2_repo_id);
 }
 
+static void fn_too_many_files_fl(const char *file, int line)
+{
+       const char *event_name = "too_many_files";
+       struct json_writer jw = JSON_WRITER_INIT;
+
+       jw_object_begin(&jw, 0);
+       event_fmt_prepare(event_name, file, line, NULL, &jw);
+       jw_end(&jw);
+
+       tr2_dst_write_line(&tr2dst_event, &jw.json);
+       jw_release(&jw);
+}
+
 static void fn_version_fl(const char *file, int line)
 {
        const char *event_name = "version";
@@ -120,6 +134,9 @@ static void fn_version_fl(const char *file, int line)
 
        tr2_dst_write_line(&tr2dst_event, &jw.json);
        jw_release(&jw);
+
+       if (tr2dst_event.too_many_files)
+               fn_too_many_files_fl(file, line);
 }
 
 static void fn_start_fl(const char *file, int line,