From: Jack Lange <jarusl@cs.northwestern.edu>
Date: Mon, 29 Sep 2008 15:46:45 +0000 (-0500)
Subject: added void * argument to timer callback
X-Git-Tag: 1.0~3^2~22
X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=commitdiff_plain;h=734dfbecdb21f61f344ca092b99a957b58e49e52;p=palacios-OLD.git

added void * argument to timer callback
---

diff --git a/palacios/include/geekos/timer.h b/palacios/include/geekos/timer.h
index 7fb783d..9b08713 100644
--- a/palacios/include/geekos/timer.h
+++ b/palacios/include/geekos/timer.h
@@ -16,7 +16,7 @@
 
 extern volatile ulong_t g_numTicks;
 
-typedef void (*timerCallback)(int);
+typedef void (*timerCallback)(int, void*);
 
 void Init_Timer(void);
 
@@ -24,15 +24,17 @@ void Micro_Delay(int us);
 
 
 typedef struct {
-    int ticks;                           /* timer code decrements this */
-    int id;                              /* unqiue id for this timer even */
-    timerCallback callBack;              /* Queue to wakeup on timer expire */
-    int origTicks;
+  int ticks;                           /* timer code decrements this */
+  int id;                              /* unqiue id for this timer even */
+  timerCallback callBack;              /* Queue to wakeup on timer expire */
+  void * cb_arg;                       /* Argument to add to callback */
+  int origTicks;
+
 } timerEvent;
 
-int Start_Timer_Secs(int seconds, timerCallback cb);
-int Start_Timer_MSecs(int msecs, timerCallback cb);
-int Start_Timer(int ticks, timerCallback);
+int Start_Timer_Secs(int seconds, timerCallback cb, void * arg);
+int Start_Timer_MSecs(int msecs, timerCallback cb, void * arg);
+int Start_Timer(int ticks, timerCallback, void * arg);
 
 double Get_Remaining_Timer_Secs(int id);
 int Get_Remaining_Timer_MSecs(int id);
diff --git a/palacios/src/geekos/socket.c b/palacios/src/geekos/socket.c
index 63b3ce1..661970e 100644
--- a/palacios/src/geekos/socket.c
+++ b/palacios/src/geekos/socket.c
@@ -28,7 +28,7 @@ void socket_appcall(void);
 
 
 static int Packet_Received(struct NE2K_Packet_Info* info, uchar_t *pkt);
-static void periodic_caller(int timer_id);
+static void periodic_caller(int timer_id, void * arg);
 
 void init_socket_layer() {
    int i = 0;
@@ -52,7 +52,7 @@ void init_socket_layer() {
     Init_Ne2k(&Packet_Received);
 
     iflag = Begin_Int_Atomic();
-    Start_Timer(2, periodic_caller);
+    Start_Timer(2, periodic_caller, NULL);
     End_Int_Atomic(iflag);
 
 }
@@ -108,7 +108,7 @@ struct socket * get_socket_from_fd(int fd) {
 
 
 
-static void periodic_caller(int timer_id) {
+static void periodic_caller(int timer_id, void * arg) {
   int i;
   //handle the periodic calls of uIP
   
diff --git a/palacios/src/geekos/timer.c b/palacios/src/geekos/timer.c
index 7f4ab49..663a694 100644
--- a/palacios/src/geekos/timer.c
+++ b/palacios/src/geekos/timer.c
@@ -192,7 +192,7 @@ static void Timer_Interrupt_Handler(struct Interrupt_State* state)
     if (pendingTimerEvents[i].ticks == 0) {
       if (timerDebug) Print("timer: event %d expired (%d ticks)\n", 
 			    pendingTimerEvents[i].id, pendingTimerEvents[i].origTicks);
-      (pendingTimerEvents[i].callBack)(pendingTimerEvents[i].id);
+      (pendingTimerEvents[i].callBack)(pendingTimerEvents[i].id, pendingTimerEvents[i].cb_arg);
       pendingTimerEvents[i].ticks = pendingTimerEvents[i].origTicks;
     } else {
       pendingTimerEvents[i].ticks--;
@@ -338,20 +338,20 @@ void Init_Timer(void)
 }
 
 
-int Start_Timer_Secs(int seconds, timerCallback cb) {
-  return Start_Timer(seconds * HZ, cb);
+int Start_Timer_Secs(int seconds, timerCallback cb, void * arg) {
+  return Start_Timer(seconds * HZ, cb, arg);
 }
 
 
-int Start_Timer_MSecs(int msecs, timerCallback cb) {
+int Start_Timer_MSecs(int msecs, timerCallback cb, void * arg) {
   msecs += 10 - (msecs % 10);
 
-  return Start_Timer(msecs * (HZ / 1000), cb);
+  return Start_Timer(msecs * (HZ / 1000), cb, arg);
 }
 
 
 
-int Start_Timer(int ticks, timerCallback cb)
+int Start_Timer(int ticks, timerCallback cb, void * arg)
 {
     int ret;
 
@@ -363,6 +363,7 @@ int Start_Timer(int ticks, timerCallback cb)
 	ret = nextEventID++;
 	pendingTimerEvents[timeEventCount].id = ret;
 	pendingTimerEvents[timeEventCount].callBack = cb;
+	pendingTimerEvents[timeEventCount].cb_arg = arg;
 	pendingTimerEvents[timeEventCount].ticks = ticks;
 	pendingTimerEvents[timeEventCount].origTicks = ticks;
 	timeEventCount++;