1 files changed, 38 insertions, 0 deletions
diff --git a/ltrace.h b/ltrace.h
new file mode 100644
index 0000000..5e43ba5
--- /dev/null
+++ b/ltrace.h
@@ -0,0 +1,38 @@
+typedef enum Event_type Event_type;
+enum Event_type {
+	EVENT_NONE=0,
+	EVENT_SIGNAL,
+	EVENT_EXIT,
+	EVENT_EXIT_SIGNAL,
+	EVENT_SYSCALL,
+	EVENT_SYSRET,
+	EVENT_ARCH_SYSCALL,
+	EVENT_ARCH_SYSRET,
+	EVENT_CLONE,
+	EVENT_EXEC,
+	EVENT_BREAKPOINT,
+	EVENT_LIBCALL,
+	EVENT_LIBRET,
+	EVENT_NEW,        /* in this case, proc is NULL */
+	EVENT_MAX
+};
+
+typedef struct Process Process;
+typedef struct Event Event;
+struct Event {
+	Process * proc;
+	Event_type type;
+	union {
+		int ret_val;     /* EVENT_EXIT */
+		int signum;      /* EVENT_SIGNAL, EVENT_EXIT_SIGNAL */
+		int sysnum;      /* EVENT_SYSCALL, EVENT_SYSRET */
+		void * brk_addr; /* EVENT_BREAKPOINT */
+		int newpid;      /* EVENT_CLONE, EVENT_NEW */
+	} e_un;
+};
+
+typedef void (*callback_func) (Event *);
+
+extern void ltrace_init(int argc, char **argv);
+extern void ltrace_add_callback(callback_func f, Event_type type);
+extern void ltrace_main(void);