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-rw-r--r--trace2/tr2_tgt.h134
1 files changed, 134 insertions, 0 deletions
diff --git a/trace2/tr2_tgt.h b/trace2/tr2_tgt.h
new file mode 100644
index 0000000..7b90469
--- /dev/null
+++ b/trace2/tr2_tgt.h
@@ -0,0 +1,134 @@
+#ifndef TR2_TGT_H
+#define TR2_TGT_H
+
+struct child_process;
+struct repository;
+struct json_writer;
+
+/*
+ * Function prototypes for a TRACE2 "target" vtable.
+ */
+
+typedef int(tr2_tgt_init_t)(void);
+typedef void(tr2_tgt_term_t)(void);
+
+typedef void(tr2_tgt_evt_version_fl_t)(const char *file, int line);
+
+typedef void(tr2_tgt_evt_start_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ const char **argv);
+typedef void(tr2_tgt_evt_exit_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute, int code);
+typedef void(tr2_tgt_evt_signal_t)(uint64_t us_elapsed_absolute, int signo);
+typedef void(tr2_tgt_evt_atexit_t)(uint64_t us_elapsed_absolute, int code);
+
+typedef void(tr2_tgt_evt_error_va_fl_t)(const char *file, int line,
+ const char *fmt, va_list ap);
+
+typedef void(tr2_tgt_evt_command_path_fl_t)(const char *file, int line,
+ const char *command_path);
+typedef void(tr2_tgt_evt_command_name_fl_t)(const char *file, int line,
+ const char *name,
+ const char *hierarchy);
+typedef void(tr2_tgt_evt_command_mode_fl_t)(const char *file, int line,
+ const char *mode);
+
+typedef void(tr2_tgt_evt_alias_fl_t)(const char *file, int line,
+ const char *alias, const char **argv);
+
+typedef void(tr2_tgt_evt_child_start_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ const struct child_process *cmd);
+typedef void(tr2_tgt_evt_child_exit_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute, int cid,
+ int pid, int code,
+ uint64_t us_elapsed_child);
+
+typedef void(tr2_tgt_evt_thread_start_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute);
+typedef void(tr2_tgt_evt_thread_exit_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ uint64_t us_elapsed_thread);
+
+typedef void(tr2_tgt_evt_exec_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute, int exec_id,
+ const char *exe, const char **argv);
+typedef void(tr2_tgt_evt_exec_result_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ int exec_id, int code);
+
+typedef void(tr2_tgt_evt_param_fl_t)(const char *file, int line,
+ const char *param, const char *value);
+
+typedef void(tr2_tgt_evt_repo_fl_t)(const char *file, int line,
+ const struct repository *repo);
+
+typedef void(tr2_tgt_evt_region_enter_printf_va_fl_t)(
+ const char *file, int line, uint64_t us_elapsed_absolute,
+ const char *category, const char *label, const struct repository *repo,
+ const char *fmt, va_list ap);
+typedef void(tr2_tgt_evt_region_leave_printf_va_fl_t)(
+ const char *file, int line, uint64_t us_elapsed_absolute,
+ uint64_t us_elapsed_region, const char *category, const char *label,
+ const struct repository *repo, const char *fmt, va_list ap);
+
+typedef void(tr2_tgt_evt_data_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ uint64_t us_elapsed_region,
+ const char *category,
+ const struct repository *repo,
+ const char *key, const char *value);
+typedef void(tr2_tgt_evt_data_json_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ uint64_t us_elapsed_region,
+ const char *category,
+ const struct repository *repo,
+ const char *key,
+ const struct json_writer *value);
+
+typedef void(tr2_tgt_evt_printf_va_fl_t)(const char *file, int line,
+ uint64_t us_elapsed_absolute,
+ const char *fmt, va_list ap);
+
+/*
+ * "vtable" for a TRACE2 target. Use NULL if a target does not want
+ * to emit that message.
+ */
+/* clang-format off */
+struct tr2_tgt {
+ struct tr2_dst *pdst;
+
+ tr2_tgt_init_t *pfn_init;
+ tr2_tgt_term_t *pfn_term;
+
+ tr2_tgt_evt_version_fl_t *pfn_version_fl;
+ tr2_tgt_evt_start_fl_t *pfn_start_fl;
+ tr2_tgt_evt_exit_fl_t *pfn_exit_fl;
+ tr2_tgt_evt_signal_t *pfn_signal;
+ tr2_tgt_evt_atexit_t *pfn_atexit;
+ tr2_tgt_evt_error_va_fl_t *pfn_error_va_fl;
+ tr2_tgt_evt_command_path_fl_t *pfn_command_path_fl;
+ tr2_tgt_evt_command_name_fl_t *pfn_command_name_fl;
+ tr2_tgt_evt_command_mode_fl_t *pfn_command_mode_fl;
+ tr2_tgt_evt_alias_fl_t *pfn_alias_fl;
+ tr2_tgt_evt_child_start_fl_t *pfn_child_start_fl;
+ tr2_tgt_evt_child_exit_fl_t *pfn_child_exit_fl;
+ tr2_tgt_evt_thread_start_fl_t *pfn_thread_start_fl;
+ tr2_tgt_evt_thread_exit_fl_t *pfn_thread_exit_fl;
+ tr2_tgt_evt_exec_fl_t *pfn_exec_fl;
+ tr2_tgt_evt_exec_result_fl_t *pfn_exec_result_fl;
+ tr2_tgt_evt_param_fl_t *pfn_param_fl;
+ tr2_tgt_evt_repo_fl_t *pfn_repo_fl;
+ tr2_tgt_evt_region_enter_printf_va_fl_t *pfn_region_enter_printf_va_fl;
+ tr2_tgt_evt_region_leave_printf_va_fl_t *pfn_region_leave_printf_va_fl;
+ tr2_tgt_evt_data_fl_t *pfn_data_fl;
+ tr2_tgt_evt_data_json_fl_t *pfn_data_json_fl;
+ tr2_tgt_evt_printf_va_fl_t *pfn_printf_va_fl;
+};
+/* clang-format on */
+
+extern struct tr2_tgt tr2_tgt_event;
+extern struct tr2_tgt tr2_tgt_normal;
+extern struct tr2_tgt tr2_tgt_perf;
+
+#endif /* TR2_TGT_H */