Added different callback handlers for each event

1 files changed, 20 insertions, 14 deletions

diff --git a/ltrace.h b/ltrace.h
index 9ba16a6..f918d8a 100644
--- a/ltrace.h
+++ b/ltrace.h
@@ -1,9 +1,6 @@
-typedef struct Process Process;
-typedef struct Event Event;
-struct Event {
-	Process *proc;
-	enum {
-		EVENT_NONE,
+typedef enum Event_type Event_type;
+enum Event_type {
+		EVENT_NONE=0,
 		EVENT_SIGNAL,
 		EVENT_EXIT,
 		EVENT_EXIT_SIGNAL,
@@ -14,17 +11,26 @@ struct Event {
 		EVENT_CLONE,
 		EVENT_EXEC,
 		EVENT_BREAKPOINT,
-		EVENT_NEW       /* in this case, proc is NULL */
-	} type;
+		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 */
+		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(void (*func)(Event *));
+extern void ltrace_add_callback(callback_func f, Event_type type);
 extern void ltrace_main(void);