From a6f79ca57f0b4b296f67c2d063fd85a627b611b8 Mon Sep 17 00:00:00 2001
From: "Ondrej Zajicek (work)" <santiago@crfreenet.org>
Date: Tue, 28 Nov 2017 17:43:20 +0100
Subject: [PATCH] Timers: Revert temporary names and remove old timer.h

---
 conf/conf.c            | 12 +++++-----
 conf/conf.h            |  2 +-
 conf/flowspec.Y        | 10 ---------
 lib/timer.c            | 46 ++++++++++++++++++-------------------
 lib/timer.h            | 42 +++++++++++++++++-----------------
 nest/proto.c           | 12 +++++-----
 nest/protocol.h        |  1 -
 nest/route.h           |  1 -
 proto/babel/babel.c    | 16 ++++++-------
 proto/babel/babel.h    |  2 +-
 proto/bfd/bfd.c        | 37 +++++++++++++++---------------
 proto/bfd/bfd.h        |  4 ++--
 proto/bfd/io.c         |  4 ++--
 proto/bgp/bgp.c        | 36 ++++++++++++++---------------
 proto/ospf/dbdes.c     | 10 ++++-----
 proto/ospf/iface.c     | 28 +++++++++++------------
 proto/ospf/lsupd.c     | 14 ++++++------
 proto/ospf/neighbor.c  | 26 ++++++++++-----------
 proto/ospf/ospf.c      |  6 ++---
 proto/ospf/ospf.h      |  2 +-
 proto/ospf/rt.c        |  6 ++---
 proto/radv/radv.c      |  6 ++---
 proto/radv/radv.h      |  2 +-
 proto/rip/rip.c        | 20 ++++++++---------
 proto/rip/rip.h        |  2 +-
 proto/rpki/rpki.c      | 22 +++++++++---------
 sysdep/linux/netlink.c |  1 -
 sysdep/unix/io.c       |  5 ++---
 sysdep/unix/krt.c      | 30 ++++++++++++-------------
 sysdep/unix/timer.h    | 51 ------------------------------------------
 30 files changed, 195 insertions(+), 261 deletions(-)
 delete mode 100644 sysdep/unix/timer.h

diff --git a/conf/conf.c b/conf/conf.c
index c68ded7f..62477331 100644
--- a/conf/conf.c
+++ b/conf/conf.c
@@ -52,7 +52,7 @@
 #include "lib/resource.h"
 #include "lib/string.h"
 #include "lib/event.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
 #include "conf/conf.h"
 #include "filter/filter.h"
 
@@ -341,9 +341,9 @@ config_commit(struct config *c, int type, uint timeout)
 
   undo_available = 1;
   if (timeout)
-    tm2_start(config_timer, timeout S);
+    tm_start(config_timer, timeout S);
   else
-    tm2_stop(config_timer);
+    tm_stop(config_timer);
 
   if (configuring)
     {
@@ -384,7 +384,7 @@ config_confirm(void)
   if (config_timer->expires == 0)
     return CONF_NOTHING;
 
-  tm2_stop(config_timer);
+  tm_stop(config_timer);
 
   return CONF_CONFIRM;
 }
@@ -420,7 +420,7 @@ config_undo(void)
     return CONF_NOTHING;
 
   undo_available = 0;
-  tm2_stop(config_timer);
+  tm_stop(config_timer);
 
   if (configuring)
     {
@@ -468,7 +468,7 @@ config_init(void)
   config_event = ev_new(&root_pool);
   config_event->hook = config_done;
 
-  config_timer = tm2_new(&root_pool);
+  config_timer = tm_new(&root_pool);
   config_timer->hook = config_timeout;
 }
 
diff --git a/conf/conf.h b/conf/conf.h
index 12f51c9d..d6f59eac 100644
--- a/conf/conf.h
+++ b/conf/conf.h
@@ -13,7 +13,7 @@
 #include "lib/ip.h"
 #include "lib/hash.h"
 #include "lib/resource.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
 
 
 /* Configuration structure */
diff --git a/conf/flowspec.Y b/conf/flowspec.Y
index 8c72854c..4d259763 100644
--- a/conf/flowspec.Y
+++ b/conf/flowspec.Y
@@ -11,16 +11,6 @@ CF_HDR
 #define PARSER 1
 
 #include "nest/bird.h"
-#include "conf/conf.h"
-#include "lib/resource.h"
-#include "lib/socket.h"
-#include "sysdep/unix/timer.h"
-#include "lib/string.h"
-#include "nest/protocol.h"
-#include "nest/iface.h"
-#include "nest/route.h"
-#include "nest/cli.h"
-#include "filter/filter.h"
 #include "lib/flowspec.h"
 
 
diff --git a/lib/timer.c b/lib/timer.c
index 338b0a1a..05e488c1 100644
--- a/lib/timer.c
+++ b/lib/timer.c
@@ -93,17 +93,17 @@ current_real_time(void)
 
 
 static void
-tm2_free(resource *r)
+tm_free(resource *r)
 {
-  timer2 *t = (timer2 *) r;
+  timer *t = (void *) r;
 
-  tm2_stop(t);
+  tm_stop(t);
 }
 
 static void
-tm2_dump(resource *r)
+tm_dump(resource *r)
 {
-  timer2 *t = (timer2 *) r;
+  timer *t = (void *) r;
 
   debug("(code %p, data %p, ", t->hook, t->data);
   if (t->randomize)
@@ -117,25 +117,25 @@ tm2_dump(resource *r)
 }
 
 
-static struct resclass tm2_class = {
+static struct resclass tm_class = {
   "Timer",
-  sizeof(timer2),
-  tm2_free,
-  tm2_dump,
+  sizeof(timer),
+  tm_free,
+  tm_dump,
   NULL,
   NULL
 };
 
-timer2 *
-tm2_new(pool *p)
+timer *
+tm_new(pool *p)
 {
-  timer2 *t = ralloc(p, &tm2_class);
+  timer *t = ralloc(p, &tm_class);
   t->index = -1;
   return t;
 }
 
 void
-tm2_set(timer2 *t, btime when)
+tm_set(timer *t, btime when)
 {
   struct timeloop *loop = timeloop_current();
   uint tc = timers_count(loop);
@@ -145,17 +145,17 @@ tm2_set(timer2 *t, btime when)
     t->index = ++tc;
     t->expires = when;
     BUFFER_PUSH(loop->timers) = t;
-    HEAP_INSERT(loop->timers.data, tc, timer2 *, TIMER_LESS, TIMER_SWAP);
+    HEAP_INSERT(loop->timers.data, tc, timer *, TIMER_LESS, TIMER_SWAP);
   }
   else if (t->expires < when)
   {
     t->expires = when;
-    HEAP_INCREASE(loop->timers.data, tc, timer2 *, TIMER_LESS, TIMER_SWAP, t->index);
+    HEAP_INCREASE(loop->timers.data, tc, timer *, TIMER_LESS, TIMER_SWAP, t->index);
   }
   else if (t->expires > when)
   {
     t->expires = when;
-    HEAP_DECREASE(loop->timers.data, tc, timer2 *, TIMER_LESS, TIMER_SWAP, t->index);
+    HEAP_DECREASE(loop->timers.data, tc, timer *, TIMER_LESS, TIMER_SWAP, t->index);
   }
 
 #ifdef CONFIG_BFD
@@ -166,13 +166,13 @@ tm2_set(timer2 *t, btime when)
 }
 
 void
-tm2_start(timer2 *t, btime after)
+tm_start(timer *t, btime after)
 {
-  tm2_set(t, current_time() + MAX(after, 0));
+  tm_set(t, current_time() + MAX(after, 0));
 }
 
 void
-tm2_stop(timer2 *t)
+tm_stop(timer *t)
 {
   if (!t->expires)
     return;
@@ -180,7 +180,7 @@ tm2_stop(timer2 *t)
   struct timeloop *loop = timeloop_current();
   uint tc = timers_count(loop);
 
-  HEAP_DELETE(loop->timers.data, tc, timer2 *, TIMER_LESS, TIMER_SWAP, t->index);
+  HEAP_DELETE(loop->timers.data, tc, timer *, TIMER_LESS, TIMER_SWAP, t->index);
   BUFFER_POP(loop->timers);
 
   t->index = -1;
@@ -202,7 +202,7 @@ void
 timers_fire(struct timeloop *loop)
 {
   btime base_time;
-  timer2 *t;
+  timer *t;
 
   times_update(loop);
   base_time = loop->last_time;
@@ -222,10 +222,10 @@ timers_fire(struct timeloop *loop)
       if (t->randomize)
 	when += random() % (t->randomize + 1);
 
-      tm2_set(t, when);
+      tm_set(t, when);
     }
     else
-      tm2_stop(t);
+      tm_stop(t);
 
     /* This is ugly hack, we want to log just timers executed from the main I/O loop */
     if (loop == &main_timeloop)
diff --git a/lib/timer.h b/lib/timer.h
index 250bb3cd..eeb7dcb7 100644
--- a/lib/timer.h
+++ b/lib/timer.h
@@ -7,18 +7,18 @@
  *	Can be freely distributed and used under the terms of the GNU GPL.
  */
 
-#ifndef _BIRD_TIMER2_H_
-#define _BIRD_TIMER2_H_
+#ifndef _BIRD_TIMER_H_
+#define _BIRD_TIMER_H_
 
 #include "nest/bird.h"
 #include "lib/buffer.h"
 #include "lib/resource.h"
 
 
-typedef struct timer2
+typedef struct timer
 {
   resource r;
-  void (*hook)(struct timer2 *);
+  void (*hook)(struct timer *);
   void *data;
 
   btime expires;			/* 0=inactive */
@@ -26,11 +26,11 @@ typedef struct timer2
   uint recurrent;			/* Timer recurrence */
 
   int index;
-} timer2;
+} timer;
 
 struct timeloop
 {
-  BUFFER(timer2 *) timers;
+  BUFFER(timer *) timers;
   btime last_time;
   btime real_time;
 };
@@ -38,7 +38,7 @@ struct timeloop
 static inline uint timers_count(struct timeloop *loop)
 { return loop->timers.used - 1; }
 
-static inline timer2 *timers_first(struct timeloop *loop)
+static inline timer *timers_first(struct timeloop *loop)
 { return (loop->timers.used > 1) ? loop->timers.data[1] : NULL; }
 
 extern struct timeloop main_timeloop;
@@ -50,28 +50,28 @@ btime current_real_time(void);
 //#define now_real (current_real_time() TO_S)
 extern btime boot_time;
 
-timer2 *tm2_new(pool *p);
-void tm2_set(timer2 *t, btime when);
-void tm2_start(timer2 *t, btime after);
-void tm2_stop(timer2 *t);
+timer *tm_new(pool *p);
+void tm_set(timer *t, btime when);
+void tm_start(timer *t, btime after);
+void tm_stop(timer *t);
 
 static inline int
-tm2_active(timer2 *t)
+tm_active(timer *t)
 {
   return t->expires != 0;
 }
 
 static inline btime
-tm2_remains(timer2 *t)
+tm_remains(timer *t)
 {
   btime now_ = current_time();
   return (t->expires > now_) ? (t->expires - now_) : 0;
 }
 
-static inline timer2 *
-tm2_new_init(pool *p, void (*hook)(struct timer2 *), void *data, uint rec, uint rand)
+static inline timer *
+tm_new_init(pool *p, void (*hook)(struct timer *), void *data, uint rec, uint rand)
 {
-  timer2 *t = tm2_new(p);
+  timer *t = tm_new(p);
   t->hook = hook;
   t->data = data;
   t->recurrent = rec;
@@ -80,17 +80,17 @@ tm2_new_init(pool *p, void (*hook)(struct timer2 *), void *data, uint rec, uint
 }
 
 static inline void
-tm2_set_max(timer2 *t, btime when)
+tm_set_max(timer *t, btime when)
 {
   if (when > t->expires)
-    tm2_set(t, when);
+    tm_set(t, when);
 }
 
 static inline void
-tm2_start_max(timer2 *t, btime after)
+tm_start_max(timer *t, btime after)
 {
-  btime rem = tm2_remains(t);
-  tm2_start(t, MAX_(rem, after));
+  btime rem = tm_remains(t);
+  tm_start(t, MAX_(rem, after));
 }
 
 /* In sysdep code */
diff --git a/nest/proto.c b/nest/proto.c
index 72f1f94d..b28ac569 100644
--- a/nest/proto.c
+++ b/nest/proto.c
@@ -1083,8 +1083,8 @@ graceful_restart_init(void)
   }
 
   graceful_restart_state = GRS_ACTIVE;
-  gr_wait_timer = tm2_new_init(proto_pool, graceful_restart_done, NULL, 0, 0);
-  tm2_start(gr_wait_timer, config->gr_wait S);
+  gr_wait_timer = tm_new_init(proto_pool, graceful_restart_done, NULL, 0, 0);
+  tm_start(gr_wait_timer, config->gr_wait S);
 }
 
 /**
@@ -1135,7 +1135,7 @@ graceful_restart_show_status(void)
 
   cli_msg(-24, "Graceful restart recovery in progress");
   cli_msg(-24, "  Waiting for %d channels to recover", graceful_restart_locks);
-  cli_msg(-24, "  Wait timer is %t/%u", tm2_remains(gr_wait_timer), config->gr_wait);
+  cli_msg(-24, "  Wait timer is %t/%u", tm_remains(gr_wait_timer), config->gr_wait);
 }
 
 /**
@@ -1181,7 +1181,7 @@ channel_graceful_restart_unlock(struct channel *c)
   graceful_restart_locks--;
 
   if ((graceful_restart_state == GRS_ACTIVE) && !graceful_restart_locks)
-    tm2_start(gr_wait_timer, 0);
+    tm_start(gr_wait_timer, 0);
 }
 
 
@@ -1288,7 +1288,7 @@ protos_build(void)
 #endif
 
   proto_pool = rp_new(&root_pool, "Protocols");
-  proto_shutdown_timer = tm2_new(proto_pool);
+  proto_shutdown_timer = tm_new(proto_pool);
   proto_shutdown_timer->hook = proto_shutdown_loop;
 }
 
@@ -1328,7 +1328,7 @@ proto_schedule_down(struct proto *p, byte restart, byte code)
 
   p->down_sched = restart ? PDS_RESTART : PDS_DISABLE;
   p->down_code = code;
-  tm2_start_max(proto_shutdown_timer, restart ? 250 MS : 0);
+  tm_start_max(proto_shutdown_timer, restart ? 250 MS : 0);
 }
 
 
diff --git a/nest/protocol.h b/nest/protocol.h
index abd11aff..e843b0b4 100644
--- a/nest/protocol.h
+++ b/nest/protocol.h
@@ -12,7 +12,6 @@
 #include "lib/lists.h"
 #include "lib/resource.h"
 #include "lib/event.h"
-#include "sysdep/unix/timer.h"
 #include "nest/route.h"
 #include "conf/conf.h"
 
diff --git a/nest/route.h b/nest/route.h
index a838bd38..c9e2b3bf 100644
--- a/nest/route.h
+++ b/nest/route.h
@@ -11,7 +11,6 @@
 
 #include "lib/lists.h"
 #include "lib/resource.h"
-#include "sysdep/unix/timer.h"
 #include "lib/net.h"
 
 struct ea_list;
diff --git a/proto/babel/babel.c b/proto/babel/babel.c
index 768bbda8..aa7e8b68 100644
--- a/proto/babel/babel.c
+++ b/proto/babel/babel.c
@@ -1433,14 +1433,14 @@ babel_iface_timer(timer *t)
 
   btime next_event = MIN(ifa->next_hello, ifa->next_regular);
   if (ifa->want_triggered) next_event = MIN(next_event, ifa->next_triggered);
-  tm2_set(ifa->timer, next_event);
+  tm_set(ifa->timer, next_event);
 }
 
 static inline void
 babel_iface_kick_timer(struct babel_iface *ifa)
 {
   if (ifa->timer->expires > (current_time() + 100 MS))
-    tm2_start(ifa->timer, 100 MS);
+    tm_start(ifa->timer, 100 MS);
 }
 
 static void
@@ -1454,7 +1454,7 @@ babel_iface_start(struct babel_iface *ifa)
   ifa->next_regular = current_time() + (random() % ifa->cf->update_interval);
   ifa->next_triggered = current_time() + MIN(1 S, ifa->cf->update_interval / 2);
   ifa->want_triggered = 0;	/* We send an immediate update (below) */
-  tm2_start(ifa->timer, 100 MS);
+  tm_start(ifa->timer, 100 MS);
   ifa->up = 1;
 
   babel_send_hello(ifa);
@@ -1487,7 +1487,7 @@ babel_iface_stop(struct babel_iface *ifa)
     }
   }
 
-  tm2_stop(ifa->timer);
+  tm_stop(ifa->timer);
   ifa->up = 0;
 }
 
@@ -1585,7 +1585,7 @@ babel_add_iface(struct babel_proto *p, struct iface *new, struct babel_iface_con
   init_list(&ifa->neigh_list);
   ifa->hello_seqno = 1;
 
-  ifa->timer = tm2_new_init(ifa->pool, babel_iface_timer, ifa, 0, 0);
+  ifa->timer = tm_new_init(ifa->pool, babel_iface_timer, ifa, 0, 0);
 
   init_list(&ifa->msg_queue);
   ifa->send_event = ev_new(ifa->pool);
@@ -2050,7 +2050,7 @@ static inline void
 babel_kick_timer(struct babel_proto *p)
 {
   if (p->timer->expires > (current_time() + 100 MS))
-    tm2_start(p->timer, 100 MS);
+    tm_start(p->timer, 100 MS);
 }
 
 
@@ -2214,8 +2214,8 @@ babel_start(struct proto *P)
 	   OFFSETOF(struct babel_entry, n), 0, babel_init_entry);
 
   init_list(&p->interfaces);
-  p->timer = tm2_new_init(P->pool, babel_timer, p, 1 S, 0);
-  tm2_start(p->timer, 1 S);
+  p->timer = tm_new_init(P->pool, babel_timer, p, 1 S, 0);
+  tm_start(p->timer, 1 S);
   p->update_seqno = 1;
   p->router_id = proto_get_router_id(&cf->c);
 
diff --git a/proto/babel/babel.h b/proto/babel/babel.h
index da3293ef..1128d261 100644
--- a/proto/babel/babel.h
+++ b/proto/babel/babel.h
@@ -23,7 +23,7 @@
 #include "lib/lists.h"
 #include "lib/socket.h"
 #include "lib/string.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
 
 #define EA_BABEL_METRIC		EA_CODE(EAP_BABEL, 0)
 #define EA_BABEL_ROUTER_ID	EA_CODE(EAP_BABEL, 1)
diff --git a/proto/bfd/bfd.c b/proto/bfd/bfd.c
index 8915140d..67ec2270 100644
--- a/proto/bfd/bfd.c
+++ b/proto/bfd/bfd.c
@@ -64,16 +64,15 @@
  * ready, the protocol just creates a BFD request like any other protocol.
  *
  * The protocol uses a new generic event loop (structure &birdloop) from |io.c|,
- * which supports sockets, timers and events like the main loop. Timers
- * (structure &timer2) are new microsecond based timers, while sockets and
- * events are the same. A birdloop is associated with a thread (field @thread)
- * in which event hooks are executed. Most functions for setting event sources
- * (like sk_start() or tm2_start()) must be called from the context of that
- * thread. Birdloop allows to temporarily acquire the context of that thread for
- * the main thread by calling birdloop_enter() and then birdloop_leave(), which
- * also ensures mutual exclusion with all event hooks. Note that resources
- * associated with a birdloop (like timers) should be attached to the
- * independent resource pool, detached from the main resource tree.
+ * which supports sockets, timers and events like the main loop. A birdloop is
+ * associated with a thread (field @thread) in which event hooks are executed.
+ * Most functions for setting event sources (like sk_start() or tm_start()) must
+ * be called from the context of that thread. Birdloop allows to temporarily
+ * acquire the context of that thread for the main thread by calling
+ * birdloop_enter() and then birdloop_leave(), which also ensures mutual
+ * exclusion with all event hooks. Note that resources associated with a
+ * birdloop (like timers) should be attached to the independent resource pool,
+ * detached from the main resource tree.
  *
  * There are two kinds of interaction between the BFD core (running in the BFD
  * thread) and the rest of BFD (running in the main thread). The first kind are
@@ -177,7 +176,7 @@ bfd_session_update_tx_interval(struct bfd_session *s)
     return;
 
   /* Set timer relative to last tx_timer event */
-  tm2_set(s->tx_timer, s->last_tx + tx_int_l);
+  tm_set(s->tx_timer, s->last_tx + tx_int_l);
 }
 
 static void
@@ -191,7 +190,7 @@ bfd_session_update_detection_time(struct bfd_session *s, int kick)
   if (!s->last_rx)
     return;
 
-  tm2_set(s->hold_timer, s->last_rx + timeout);
+  tm_set(s->hold_timer, s->last_rx + timeout);
 }
 
 static void
@@ -212,16 +211,16 @@ bfd_session_control_tx_timer(struct bfd_session *s, int reset)
     goto stop;
 
   /* So TX timer should run */
-  if (reset || !tm2_active(s->tx_timer))
+  if (reset || !tm_active(s->tx_timer))
   {
     s->last_tx = 0;
-    tm2_start(s->tx_timer, 0);
+    tm_start(s->tx_timer, 0);
   }
 
   return;
 
  stop:
-  tm2_stop(s->tx_timer);
+  tm_stop(s->tx_timer);
   s->last_tx = 0;
 }
 
@@ -380,7 +379,7 @@ bfd_find_session_by_addr(struct bfd_proto *p, ip_addr addr)
 }
 
 static void
-bfd_tx_timer_hook(timer2 *t)
+bfd_tx_timer_hook(timer *t)
 {
   struct bfd_session *s = t->data;
 
@@ -389,7 +388,7 @@ bfd_tx_timer_hook(timer2 *t)
 }
 
 static void
-bfd_hold_timer_hook(timer2 *t)
+bfd_hold_timer_hook(timer *t)
 {
   bfd_session_timeout(t->data);
 }
@@ -433,8 +432,8 @@ bfd_add_session(struct bfd_proto *p, ip_addr addr, ip_addr local, struct iface *
   s->passive = ifa->cf->passive;
   s->tx_csn = random_u32();
 
-  s->tx_timer = tm2_new_init(p->tpool, bfd_tx_timer_hook, s, 0, 0);
-  s->hold_timer = tm2_new_init(p->tpool, bfd_hold_timer_hook, s, 0, 0);
+  s->tx_timer = tm_new_init(p->tpool, bfd_tx_timer_hook, s, 0, 0);
+  s->hold_timer = tm_new_init(p->tpool, bfd_hold_timer_hook, s, 0, 0);
   bfd_session_update_tx_interval(s);
   bfd_session_control_tx_timer(s, 1);
 
diff --git a/proto/bfd/bfd.h b/proto/bfd/bfd.h
index 203da437..bc4fe969 100644
--- a/proto/bfd/bfd.h
+++ b/proto/bfd/bfd.h
@@ -140,8 +140,8 @@ struct bfd_session
   btime last_tx;			/* Time of last sent periodic control packet */
   btime last_rx;			/* Time of last received valid control packet */
 
-  timer2 *tx_timer;			/* Periodic control packet timer */
-  timer2 *hold_timer;			/* Timer for session down detection time */
+  timer *tx_timer;			/* Periodic control packet timer */
+  timer *hold_timer;			/* Timer for session down detection time */
 
   list request_list;			/* List of client requests (struct bfd_request) */
   btime last_state_change;		/* Time of last state change */
diff --git a/proto/bfd/io.c b/proto/bfd/io.c
index ab846113..b01cbfce 100644
--- a/proto/bfd/io.c
+++ b/proto/bfd/io.c
@@ -477,7 +477,7 @@ static void *
 birdloop_main(void *arg)
 {
   struct birdloop *loop = arg;
-  timer2 *t;
+  timer *t;
   int rv, timeout;
 
   birdloop_set_current(loop);
@@ -492,7 +492,7 @@ birdloop_main(void *arg)
     if (events_waiting(loop))
       timeout = 0;
     else if (t = timers_first(&loop->time))
-      timeout = (tm2_remains(t) TO_MS) + 1;
+      timeout = (tm_remains(t) TO_MS) + 1;
     else
       timeout = -1;
 
diff --git a/proto/bgp/bgp.c b/proto/bgp/bgp.c
index df4c240a..f4791215 100644
--- a/proto/bgp/bgp.c
+++ b/proto/bgp/bgp.c
@@ -328,10 +328,10 @@ bgp_start_timer(timer *t, uint value)
     /* The randomization procedure is specified in RFC 4271 section 10 */
     btime time = value S;
     btime randomize = random() % ((time / 4) + 1);
-    tm2_start(t, time - randomize);
+    tm_start(t, time - randomize);
   }
   else
-    tm2_stop(t);
+    tm_stop(t);
 }
 
 /**
@@ -517,7 +517,7 @@ bgp_conn_enter_established_state(struct bgp_conn *conn)
   int peer_gr_ready = peer->gr_aware && !(peer->gr_flags & BGP_GRF_RESTART);
 
   if (p->gr_active_num)
-    tm2_stop(p->gr_timer);
+    tm_stop(p->gr_timer);
 
   /* Number of active channels */
   int num = 0;
@@ -616,7 +616,7 @@ bgp_conn_enter_close_state(struct bgp_conn *conn)
   int os = conn->state;
 
   bgp_conn_set_state(conn, BS_CLOSE);
-  tm2_stop(conn->keepalive_timer);
+  tm_stop(conn->keepalive_timer);
   conn->sk->rx_hook = NULL;
 
   /* Timeout for CLOSE state, if we cannot send notification soon then we just hangup */
@@ -779,7 +779,7 @@ bgp_send_open(struct bgp_conn *conn)
   DBG("BGP: Sending open\n");
   conn->sk->rx_hook = bgp_rx;
   conn->sk->tx_hook = bgp_tx;
-  tm2_stop(conn->connect_timer);
+  tm_stop(conn->connect_timer);
   bgp_schedule_packet(conn, NULL, PKT_OPEN);
   bgp_conn_set_state(conn, BS_OPENSENT);
   bgp_start_timer(conn->hold_timer, conn->bgp->cf->initial_hold_time);
@@ -888,9 +888,9 @@ bgp_setup_conn(struct bgp_proto *p, struct bgp_conn *conn)
   conn->last_channel = 0;
   conn->last_channel_count = 0;
 
-  conn->connect_timer	= tm2_new_init(p->p.pool, bgp_connect_timeout,	 conn, 0, 0);
-  conn->hold_timer 	= tm2_new_init(p->p.pool, bgp_hold_timeout,	 conn, 0, 0);
-  conn->keepalive_timer	= tm2_new_init(p->p.pool, bgp_keepalive_timeout, conn, 0, 0);
+  conn->connect_timer	= tm_new_init(p->p.pool, bgp_connect_timeout,	 conn, 0, 0);
+  conn->hold_timer 	= tm_new_init(p->p.pool, bgp_hold_timeout,	 conn, 0, 0);
+  conn->keepalive_timer	= tm_new_init(p->p.pool, bgp_keepalive_timeout, conn, 0, 0);
 
   conn->tx_ev = ev_new(p->p.pool);
   conn->tx_ev->hook = bgp_kick_tx;
@@ -1303,8 +1303,8 @@ bgp_start(struct proto *P)
   p->event->hook = bgp_decision;
   p->event->data = p;
 
-  p->startup_timer = tm2_new_init(p->p.pool, bgp_startup_timeout, p, 0, 0);
-  p->gr_timer = tm2_new_init(p->p.pool, bgp_graceful_restart_timeout, p, 0, 0);
+  p->startup_timer = tm_new_init(p->p.pool, bgp_startup_timeout, p, 0, 0);
+  p->gr_timer = tm_new_init(p->p.pool, bgp_graceful_restart_timeout, p, 0, 0);
 
   p->local_id = proto_get_router_id(P->cf);
   if (p->rr_client)
@@ -2004,18 +2004,18 @@ bgp_show_proto_info(struct proto *P)
     struct bgp_conn *oc = &p->outgoing_conn;
 
     if ((p->start_state < BSS_CONNECT) &&
-	(tm2_active(p->startup_timer)))
+	(tm_active(p->startup_timer)))
       cli_msg(-1006, "    Error wait:       %t/%u",
-	      tm2_remains(p->startup_timer), p->startup_delay);
+	      tm_remains(p->startup_timer), p->startup_delay);
 
     if ((oc->state == BS_ACTIVE) &&
-	(tm2_active(oc->connect_timer)))
+	(tm_active(oc->connect_timer)))
       cli_msg(-1006, "    Connect delay:    %t/%u",
-	      tm2_remains(oc->connect_timer), p->cf->connect_delay_time);
+	      tm_remains(oc->connect_timer), p->cf->connect_delay_time);
 
-    if (p->gr_active_num && tm2_active(p->gr_timer))
+    if (p->gr_active_num && tm_active(p->gr_timer))
       cli_msg(-1006, "    Restart timer:    %t/-",
-	      tm2_remains(p->gr_timer));
+	      tm_remains(p->gr_timer));
   }
   else if (P->proto_state == PS_UP)
   {
@@ -2037,9 +2037,9 @@ bgp_show_proto_info(struct proto *P)
 */
     cli_msg(-1006, "    Source address:   %I", p->source_addr);
     cli_msg(-1006, "    Hold timer:       %t/%u",
-	    tm2_remains(p->conn->hold_timer), p->conn->hold_time);
+	    tm_remains(p->conn->hold_timer), p->conn->hold_time);
     cli_msg(-1006, "    Keepalive timer:  %t/%u",
-	    tm2_remains(p->conn->keepalive_timer), p->conn->keepalive_time);
+	    tm_remains(p->conn->keepalive_timer), p->conn->keepalive_time);
   }
 
   if ((p->last_error_class != BE_NONE) &&
diff --git a/proto/ospf/dbdes.c b/proto/ospf/dbdes.c
index 270259a7..f211935f 100644
--- a/proto/ospf/dbdes.c
+++ b/proto/ospf/dbdes.c
@@ -279,8 +279,8 @@ ospf_process_dbdes(struct ospf_proto *p, struct ospf_packet *pkt, struct ospf_ne
       req->lsa = lsa;
       req->lsa_body = LSA_BODY_DUMMY;
 
-      if (!tm2_active(n->lsrq_timer))
-	tm2_start(n->lsrq_timer, 0);
+      if (!tm_active(n->lsrq_timer))
+	tm_start(n->lsrq_timer, 0);
     }
   }
 
@@ -366,7 +366,7 @@ ospf_receive_dbdes(struct ospf_packet *pkt, struct ospf_iface *ifa,
       n->options = rcv_options;
       n->myimms &= ~DBDES_MS;
       n->imms = rcv_imms;
-      tm2_stop(n->dbdes_timer);
+      tm_stop(n->dbdes_timer);
       ospf_neigh_sm(n, INM_NEGDONE);
       ospf_send_dbdes(p, n);
       break;
@@ -422,13 +422,13 @@ ospf_receive_dbdes(struct ospf_packet *pkt, struct ospf_iface *ifa,
 
       if (!(n->myimms & DBDES_M) && !(n->imms & DBDES_M))
       {
-	tm2_stop(n->dbdes_timer);
+	tm_stop(n->dbdes_timer);
 	ospf_neigh_sm(n, INM_EXDONE);
 	break;
       }
 
       ospf_send_dbdes(p, n);
-      tm2_start(n->dbdes_timer, n->ifa->rxmtint S);
+      tm_start(n->dbdes_timer, n->ifa->rxmtint S);
     }
     else
     {
diff --git a/proto/ospf/iface.c b/proto/ospf/iface.c
index 33ec21fb..29d21a07 100644
--- a/proto/ospf/iface.c
+++ b/proto/ospf/iface.c
@@ -263,13 +263,13 @@ ospf_iface_down(struct ospf_iface *ifa)
     ospf_neigh_sm(n, INM_KILLNBR);
 
   if (ifa->hello_timer)
-    tm2_stop(ifa->hello_timer);
+    tm_stop(ifa->hello_timer);
 
   if (ifa->poll_timer)
-    tm2_stop(ifa->poll_timer);
+    tm_stop(ifa->poll_timer);
 
   if (ifa->wait_timer)
-    tm2_stop(ifa->wait_timer);
+    tm_stop(ifa->wait_timer);
 
   ospf_flush2_lsa(p, &ifa->link_lsa);
   ospf_flush2_lsa(p, &ifa->net_lsa);
@@ -396,15 +396,15 @@ ospf_iface_sm(struct ospf_iface *ifa, int event)
 	{
 	  ospf_iface_chstate(ifa, OSPF_IS_WAITING);
 	  if (ifa->wait_timer)
-	    tm2_start(ifa->wait_timer, ifa->waitint S);
+	    tm_start(ifa->wait_timer, ifa->waitint S);
 	}
       }
 
       if (ifa->hello_timer)
-	tm2_start(ifa->hello_timer, ifa->helloint S);
+	tm_start(ifa->hello_timer, ifa->helloint S);
 
       if (ifa->poll_timer)
-	tm2_start(ifa->poll_timer, ifa->pollint S);
+	tm_start(ifa->poll_timer, ifa->pollint S);
 
       ospf_send_hello(ifa, OHS_HELLO, NULL);
     }
@@ -494,13 +494,13 @@ ospf_iface_add(struct object_lock *lock)
 
   if (! ifa->stub)
   {
-    ifa->hello_timer = tm2_new_init(ifa->pool, hello_timer_hook, ifa, ifa->helloint S, 0);
+    ifa->hello_timer = tm_new_init(ifa->pool, hello_timer_hook, ifa, ifa->helloint S, 0);
 
     if (ifa->type == OSPF_IT_NBMA)
-      ifa->poll_timer = tm2_new_init(ifa->pool, poll_timer_hook, ifa, ifa->pollint S, 0);
+      ifa->poll_timer = tm_new_init(ifa->pool, poll_timer_hook, ifa, ifa->pollint S, 0);
 
     if ((ifa->type == OSPF_IT_BCAST) || (ifa->type == OSPF_IT_NBMA))
-      ifa->wait_timer = tm2_new_init(ifa->pool, wait_timer_hook, ifa, 0, 0);
+      ifa->wait_timer = tm_new_init(ifa->pool, wait_timer_hook, ifa, 0, 0);
 
     ifa->flood_queue_size = ifa_flood_queue_size(ifa);
     ifa->flood_queue = mb_allocz(ifa->pool, ifa->flood_queue_size * sizeof(void *));
@@ -703,7 +703,7 @@ ospf_iface_new_vlink(struct ospf_proto *p, struct ospf_iface_patt *ip)
 
   add_tail(&p->iface_list, NODE ifa);
 
-  ifa->hello_timer = tm2_new_init(ifa->pool, hello_timer_hook, ifa, ifa->helloint S, 0);
+  ifa->hello_timer = tm_new_init(ifa->pool, hello_timer_hook, ifa, ifa->helloint S, 0);
 
   ifa->flood_queue_size = ifa_flood_queue_size(ifa);
   ifa->flood_queue = mb_allocz(ifa->pool, ifa->flood_queue_size * sizeof(void *));
@@ -717,8 +717,8 @@ ospf_iface_change_timer(timer *tm, uint val)
 
   tm->recurrent = val S;
 
-  if (tm2_active(tm))
-    tm2_start(tm, val S);
+  if (tm_active(tm))
+    tm_start(tm, val S);
 }
 
 static inline void
@@ -801,8 +801,8 @@ ospf_iface_reconfigure(struct ospf_iface *ifa, struct ospf_iface_patt *new)
 	       ifname, ifa->waitint, new->waitint);
 
     ifa->waitint = new->waitint;
-    if (ifa->wait_timer && tm2_active(ifa->wait_timer))
-      tm2_start(ifa->wait_timer, ifa->waitint S);
+    if (ifa->wait_timer && tm_active(ifa->wait_timer))
+      tm_start(ifa->wait_timer, ifa->waitint S);
   }
 
   /* DEAD TIMER */
diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c
index 18811392..a98c9098 100644
--- a/proto/ospf/lsupd.c
+++ b/proto/ospf/lsupd.c
@@ -115,7 +115,7 @@ ospf_lsa_lsrq_down(struct top_hash_entry *req, struct ospf_neighbor *n)
 
   if (EMPTY_SLIST(n->lsrql))
   {
-    tm2_stop(n->lsrq_timer);
+    tm_stop(n->lsrq_timer);
 
     if (n->state == NEIGHBOR_LOADING)
       ospf_neigh_sm(n, INM_LOADDONE);
@@ -136,8 +136,8 @@ ospf_lsa_lsrt_up(struct top_hash_entry *en, struct ospf_neighbor *n)
   ret->lsa = en->lsa;
   ret->lsa_body = LSA_BODY_DUMMY;
 
-  if (!tm2_active(n->lsrt_timer))
-    tm2_start(n->lsrt_timer, n->ifa->rxmtint S);
+  if (!tm_active(n->lsrt_timer))
+    tm_start(n->lsrt_timer, n->ifa->rxmtint S);
 }
 
 void
@@ -150,7 +150,7 @@ ospf_lsa_lsrt_down_(struct top_hash_entry *en, struct ospf_neighbor *n, struct t
   ospf_hash_delete(n->lsrth, ret);
 
   if (EMPTY_SLIST(n->lsrtl))
-    tm2_stop(n->lsrt_timer);
+    tm_stop(n->lsrt_timer);
 }
 
 static inline int
@@ -175,8 +175,8 @@ ospf_add_flushed_to_lsrt(struct ospf_proto *p, struct ospf_neighbor *n)
       ospf_lsa_lsrt_up(en, n);
 
   /* If we found any flushed LSA, we send them ASAP */
-  if (tm2_active(n->lsrt_timer))
-    tm2_start(n->lsrt_timer, 0);
+  if (tm_active(n->lsrt_timer))
+    tm_start(n->lsrt_timer, 0);
 }
 
 static int ospf_flood_lsupd(struct ospf_proto *p, struct top_hash_entry **lsa_list, uint lsa_count, uint lsa_min_count, struct ospf_iface *ifa);
@@ -700,7 +700,7 @@ ospf_receive_lsupd(struct ospf_packet *pkt, struct ospf_iface *ifa,
   if (!EMPTY_SLIST(n->lsrql) && (n->lsrqi == SHEAD(n->lsrql)))
   {
     ospf_send_lsreq(p, n);
-    tm2_start(n->lsrq_timer, n->ifa->rxmtint S);
+    tm_start(n->lsrq_timer, n->ifa->rxmtint S);
   }
 
   return;
diff --git a/proto/ospf/neighbor.c b/proto/ospf/neighbor.c
index 12eb9e84..f2d3505e 100644
--- a/proto/ospf/neighbor.c
+++ b/proto/ospf/neighbor.c
@@ -66,10 +66,10 @@ reset_lists(struct ospf_proto *p, struct ospf_neighbor *n)
   ospf_top_free(n->lsrth);
   ospf_reset_lsack_queue(n);
 
-  tm2_stop(n->dbdes_timer);
-  tm2_stop(n->lsrq_timer);
-  tm2_stop(n->lsrt_timer);
-  tm2_stop(n->ackd_timer);
+  tm_stop(n->dbdes_timer);
+  tm_stop(n->lsrq_timer);
+  tm_stop(n->lsrt_timer);
+  tm_stop(n->ackd_timer);
 
   init_lists(p, n);
 }
@@ -94,11 +94,11 @@ ospf_neighbor_new(struct ospf_iface *ifa)
   init_list(&n->ackl[ACKL_DIRECT]);
   init_list(&n->ackl[ACKL_DELAY]);
 
-  n->inactim = tm2_new_init(pool, inactivity_timer_hook, n, 0, 0);
-  n->dbdes_timer = tm2_new_init(pool, dbdes_timer_hook, n, ifa->rxmtint S, 0);
-  n->lsrq_timer = tm2_new_init(pool, lsrq_timer_hook, n, ifa->rxmtint S, 0);
-  n->lsrt_timer = tm2_new_init(pool, lsrt_timer_hook, n, ifa->rxmtint S, 0);
-  n->ackd_timer = tm2_new_init(pool, ackd_timer_hook, n, ifa->rxmtint S / 2, 0);
+  n->inactim = tm_new_init(pool, inactivity_timer_hook, n, 0, 0);
+  n->dbdes_timer = tm_new_init(pool, dbdes_timer_hook, n, ifa->rxmtint S, 0);
+  n->lsrq_timer = tm_new_init(pool, lsrq_timer_hook, n, ifa->rxmtint S, 0);
+  n->lsrt_timer = tm_new_init(pool, lsrt_timer_hook, n, ifa->rxmtint S, 0);
+  n->ackd_timer = tm_new_init(pool, ackd_timer_hook, n, ifa->rxmtint S / 2, 0);
 
   return (n);
 }
@@ -185,8 +185,8 @@ ospf_neigh_chstate(struct ospf_neighbor *n, u8 state)
     n->dds++;
     n->myimms = DBDES_IMMS;
 
-    tm2_start(n->dbdes_timer, 0);
-    tm2_start(n->ackd_timer, ifa->rxmtint S / 2);
+    tm_start(n->dbdes_timer, 0);
+    tm_start(n->ackd_timer, ifa->rxmtint S / 2);
   }
 
   if (state > NEIGHBOR_EXSTART)
@@ -231,7 +231,7 @@ ospf_neigh_sm(struct ospf_neighbor *n, int event)
       ospf_neigh_chstate(n, NEIGHBOR_INIT);
 
     /* Restart inactivity timer */
-    tm2_start(n->inactim, n->ifa->deadint S);
+    tm_start(n->inactim, n->ifa->deadint S);
     break;
 
   case INM_2WAYREC:
@@ -664,5 +664,5 @@ ospf_sh_neigh_info(struct ospf_neighbor *n)
 
   cli_msg(-1013, "%-1R\t%3u\t%s/%s\t%7t\t%-10s %-1I",
 	  n->rid, n->priority, ospf_ns_names[n->state], pos,
-	  tm2_remains(n->inactim), ifa->ifname, n->ip);
+	  tm_remains(n->inactim), ifa->ifname, n->ip);
 }
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 13f3845b..3ebebdaa 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -241,8 +241,8 @@ ospf_start(struct proto *P)
   p->asbr = c->asbr;
   p->ecmp = c->ecmp;
   p->tick = c->tick;
-  p->disp_timer = tm2_new_init(P->pool, ospf_disp, p, p->tick S, 0);
-  tm2_start(p->disp_timer, 100 MS);
+  p->disp_timer = tm_new_init(P->pool, ospf_disp, p, p->tick S, 0);
+  tm_start(p->disp_timer, 100 MS);
   p->lsab_size = 256;
   p->lsab_used = 0;
   p->lsab = mb_alloc(P->pool, p->lsab_size);
@@ -677,7 +677,7 @@ ospf_reconfigure(struct proto *P, struct proto_config *CF)
   p->ecmp = new->ecmp;
   p->tick = new->tick;
   p->disp_timer->recurrent = p->tick S;
-  tm2_start(p->disp_timer, 100 MS);
+  tm_start(p->disp_timer, 100 MS);
 
   /* Mark all areas and ifaces */
   WALK_LIST(oa, p->area_list)
diff --git a/proto/ospf/ospf.h b/proto/ospf/ospf.h
index d4571bf6..54eeb74c 100644
--- a/proto/ospf/ospf.h
+++ b/proto/ospf/ospf.h
@@ -18,7 +18,7 @@
 #include "lib/lists.h"
 #include "lib/slists.h"
 #include "lib/socket.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
 #include "lib/resource.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index 36bf0387..c0fe218a 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -1321,7 +1321,7 @@ ospf_rt_abr2(struct ospf_proto *p)
       if (translate && (oa->translate != TRANS_ON))
       {
 	if (oa->translate == TRANS_WAIT)
-	  tm2_stop(oa->translator_timer);
+	  tm_stop(oa->translator_timer);
 
 	oa->translate = TRANS_ON;
       }
@@ -1329,10 +1329,10 @@ ospf_rt_abr2(struct ospf_proto *p)
       if (!translate && (oa->translate == TRANS_ON))
       {
 	if (oa->translator_timer == NULL)
-	  oa->translator_timer = tm2_new_init(p->p.pool, translator_timer_hook, oa, 0, 0);
+	  oa->translator_timer = tm_new_init(p->p.pool, translator_timer_hook, oa, 0, 0);
 
 	/* Schedule the end of translation */
-	tm2_start(oa->translator_timer, oa->ac->transint S);
+	tm_start(oa->translator_timer, oa->ac->transint S);
 	oa->translate = TRANS_WAIT;
       }
     }
diff --git a/proto/radv/radv.c b/proto/radv/radv.c
index 415cd1d9..fe371ab4 100644
--- a/proto/radv/radv.c
+++ b/proto/radv/radv.c
@@ -65,7 +65,7 @@ radv_timer(timer *tm)
     ifa->initial--;
   }
 
-  tm2_start(ifa->timer, t);
+  tm_start(ifa->timer, t);
 }
 
 static char* ev_name[] = { NULL, "Init", "Change", "RS" };
@@ -94,7 +94,7 @@ radv_iface_notify(struct radv_iface *ifa, int event)
 
   /* Update timer */
   btime t = ifa->last + ifa->cf->min_delay S - current_time();
-  tm2_start(ifa->timer, t);
+  tm_start(ifa->timer, t);
 }
 
 static void
@@ -150,7 +150,7 @@ radv_iface_new(struct radv_proto *p, struct iface *iface, struct radv_iface_conf
 
   add_tail(&p->iface_list, NODE ifa);
 
-  ifa->timer = tm2_new_init(pool, radv_timer, ifa, 0, 0);
+  ifa->timer = tm_new_init(pool, radv_timer, ifa, 0, 0);
 
   struct object_lock *lock = olock_new(pool);
   lock->addr = IPA_NONE;
diff --git a/proto/radv/radv.h b/proto/radv/radv.h
index a4429c60..8324bb67 100644
--- a/proto/radv/radv.h
+++ b/proto/radv/radv.h
@@ -13,7 +13,7 @@
 #include "lib/ip.h"
 #include "lib/lists.h"
 #include "lib/socket.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
 #include "lib/resource.h"
 #include "nest/protocol.h"
 #include "nest/iface.h"
diff --git a/proto/rip/rip.c b/proto/rip/rip.c
index 782e6f5c..a3eeaf17 100644
--- a/proto/rip/rip.c
+++ b/proto/rip/rip.c
@@ -509,7 +509,7 @@ rip_iface_start(struct rip_iface *ifa)
   ifa->next_regular = current_time() + (random() % ifa->cf->update_time) + 100 MS;
   ifa->next_triggered = current_time();	/* Available immediately */
   ifa->want_triggered = 1;		/* All routes in triggered update */
-  tm2_start(ifa->timer, 100 MS);
+  tm_start(ifa->timer, 100 MS);
   ifa->up = 1;
 
   if (!ifa->cf->passive)
@@ -529,7 +529,7 @@ rip_iface_stop(struct rip_iface *ifa)
   WALK_LIST_FIRST(n, ifa->neigh_list)
     rip_remove_neighbor(p, n);
 
-  tm2_stop(ifa->timer);
+  tm_stop(ifa->timer);
   ifa->up = 0;
 }
 
@@ -642,7 +642,7 @@ rip_add_iface(struct rip_proto *p, struct iface *iface, struct rip_iface_config
 
   add_tail(&p->iface_list, NODE ifa);
 
-  ifa->timer = tm2_new_init(p->p.pool, rip_iface_timer, ifa, 0, 0);
+  ifa->timer = tm_new_init(p->p.pool, rip_iface_timer, ifa, 0, 0);
 
   struct object_lock *lock = olock_new(p->p.pool);
   lock->type = OBJLOCK_UDP;
@@ -897,14 +897,14 @@ rip_timer(timer *t)
 	  next = MIN(next, expires);
       }
 
-  tm2_start(p->timer, MAX(next - now_, 100 MS));
+  tm_start(p->timer, MAX(next - now_, 100 MS));
 }
 
 static inline void
 rip_kick_timer(struct rip_proto *p)
 {
   if (p->timer->expires > (current_time() + 100 MS))
-    tm2_start(p->timer, 100 MS);
+    tm_start(p->timer, 100 MS);
 }
 
 /**
@@ -933,7 +933,7 @@ rip_iface_timer(timer *t)
   if (ifa->tx_active)
   {
     if (now_ < (ifa->next_regular + period))
-    { tm2_start(ifa->timer, 100 MS); return; }
+    { tm_start(ifa->timer, 100 MS); return; }
 
     /* We are too late, reset is done by rip_send_table() */
     log(L_WARN "%s: Too slow update on %s, resetting", p->p.name, ifa->iface->name);
@@ -958,14 +958,14 @@ rip_iface_timer(timer *t)
     p->triggered = 0;
   }
 
-  tm2_start(ifa->timer, ifa->want_triggered ? (1 S) : (ifa->next_regular - now_));
+  tm_start(ifa->timer, ifa->want_triggered ? (1 S) : (ifa->next_regular - now_));
 }
 
 static inline void
 rip_iface_kick_timer(struct rip_iface *ifa)
 {
   if (ifa->timer->expires > (current_time() + 100 MS))
-    tm2_start(ifa->timer, 100 MS);
+    tm_start(ifa->timer, 100 MS);
 }
 
 static void
@@ -1111,7 +1111,7 @@ rip_start(struct proto *P)
   fib_init(&p->rtable, P->pool, cf->rip2 ? NET_IP4 : NET_IP6,
 	   sizeof(struct rip_entry), OFFSETOF(struct rip_entry, n), 0, NULL);
   p->rte_slab = sl_new(P->pool, sizeof(struct rip_rte));
-  p->timer = tm2_new_init(P->pool, rip_timer, p, 0, 0);
+  p->timer = tm_new_init(P->pool, rip_timer, p, 0, 0);
 
   p->rip2 = cf->rip2;
   p->ecmp = cf->ecmp;
@@ -1121,7 +1121,7 @@ rip_start(struct proto *P)
   p->log_pkt_tbf = (struct tbf){ .rate = 1, .burst = 5 };
   p->log_rte_tbf = (struct tbf){ .rate = 4, .burst = 20 };
 
-  tm2_start(p->timer, MIN(cf->min_timeout_time, cf->max_garbage_time));
+  tm_start(p->timer, MIN(cf->min_timeout_time, cf->max_garbage_time));
 
   return PS_UP;
 }
diff --git a/proto/rip/rip.h b/proto/rip/rip.h
index 2371ea31..55696333 100644
--- a/proto/rip/rip.h
+++ b/proto/rip/rip.h
@@ -24,7 +24,7 @@
 #include "lib/resource.h"
 #include "lib/socket.h"
 #include "lib/string.h"
-#include "sysdep/unix/timer.h"
+#include "lib/timer.h"
 
 
 #define RIP_V1			1
diff --git a/proto/rpki/rpki.c b/proto/rpki/rpki.c
index f17024fe..3145399b 100644
--- a/proto/rpki/rpki.c
+++ b/proto/rpki/rpki.c
@@ -321,7 +321,7 @@ rpki_schedule_next_refresh(struct rpki_cache *cache)
   btime t = cache->refresh_interval S;
 
   CACHE_DBG(cache, "after %t s", t);
-  tm2_start(cache->refresh_timer, t);
+  tm_start(cache->refresh_timer, t);
 }
 
 static void
@@ -330,7 +330,7 @@ rpki_schedule_next_retry(struct rpki_cache *cache)
   btime t = cache->retry_interval S;
 
   CACHE_DBG(cache, "after %t s", t);
-  tm2_start(cache->retry_timer, t);
+  tm_start(cache->retry_timer, t);
 }
 
 static void
@@ -341,28 +341,28 @@ rpki_schedule_next_expire_check(struct rpki_cache *cache)
   t = MAX(t, 1 S);
 
   CACHE_DBG(cache, "after %t s", t);
-  tm2_start(cache->expire_timer, t);
+  tm_start(cache->expire_timer, t);
 }
 
 static void
 rpki_stop_refresh_timer_event(struct rpki_cache *cache)
 {
   CACHE_DBG(cache, "Stop");
-  tm2_stop(cache->refresh_timer);
+  tm_stop(cache->refresh_timer);
 }
 
 static void
 rpki_stop_retry_timer_event(struct rpki_cache *cache)
 {
   CACHE_DBG(cache, "Stop");
-  tm2_stop(cache->retry_timer);
+  tm_stop(cache->retry_timer);
 }
 
 static void UNUSED
 rpki_stop_expire_timer_event(struct rpki_cache *cache)
 {
   CACHE_DBG(cache, "Stop");
-  tm2_stop(cache->expire_timer);
+  tm_stop(cache->expire_timer);
 }
 
 static int
@@ -569,9 +569,9 @@ rpki_init_cache(struct rpki_proto *p, struct rpki_config *cf)
   cache->refresh_interval = cf->refresh_interval;
   cache->retry_interval = cf->retry_interval;
   cache->expire_interval = cf->expire_interval;
-  cache->refresh_timer = tm2_new_init(pool, &rpki_refresh_hook, cache, 0, 0);
-  cache->retry_timer = tm2_new_init(pool, &rpki_retry_hook, cache, 0, 0);
-  cache->expire_timer = tm2_new_init(pool, &rpki_expire_hook, cache, 0, 0);
+  cache->refresh_timer = tm_new_init(pool, &rpki_refresh_hook, cache, 0, 0);
+  cache->retry_timer = tm_new_init(pool, &rpki_retry_hook, cache, 0, 0);
+  cache->expire_timer = tm_new_init(pool, &rpki_expire_hook, cache, 0, 0);
 
   cache->tr_sock = mb_allocz(pool, sizeof(struct rpki_tr_sock));
   cache->tr_sock->cache = cache;
@@ -791,8 +791,8 @@ rpki_get_status(struct proto *P, byte *buf)
 static void
 rpki_show_proto_info_timer(const char *name, uint num, timer *t)
 {
-  if (tm2_active(t))
-    cli_msg(-1006, "  %-16s: %t/%u", name, tm2_remains(t), num);
+  if (tm_active(t))
+    cli_msg(-1006, "  %-16s: %t/%u", name, tm_remains(t), num);
   else
     cli_msg(-1006, "  %-16s: ---", name);
 }
diff --git a/sysdep/linux/netlink.c b/sysdep/linux/netlink.c
index 6477d18c..6cea2fa9 100644
--- a/sysdep/linux/netlink.c
+++ b/sysdep/linux/netlink.c
@@ -21,7 +21,6 @@
 #include "nest/protocol.h"
 #include "nest/iface.h"
 #include "lib/alloca.h"
-#include "sysdep/unix/timer.h"
 #include "sysdep/unix/unix.h"
 #include "sysdep/unix/krt.h"
 #include "lib/socket.h"
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index a196bbe2..7492e031 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -34,7 +34,6 @@
 #include "nest/bird.h"
 #include "lib/lists.h"
 #include "lib/resource.h"
-#include "sysdep/unix/timer.h"
 #include "lib/socket.h"
 #include "lib/event.h"
 #include "lib/timer.h"
@@ -2143,7 +2142,7 @@ io_loop(void)
 {
   int poll_tout, timeout;
   int nfds, events, pout;
-  timer2 *t;
+  timer *t;
   sock *s;
   node *n;
   int fdmax = 256;
@@ -2162,7 +2161,7 @@ io_loop(void)
       if (t = timers_first(&main_timeloop))
       {
 	times_update(&main_timeloop);
-	timeout = (tm2_remains(t) TO_MS) + 1;
+	timeout = (tm_remains(t) TO_MS) + 1;
 	poll_tout = MIN(poll_tout, timeout);
       }
 
diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c
index 5b1c40f0..052f210a 100644
--- a/sysdep/unix/krt.c
+++ b/sysdep/unix/krt.c
@@ -56,9 +56,9 @@
 #include "nest/route.h"
 #include "nest/protocol.h"
 #include "filter/filter.h"
-#include "sysdep/unix/timer.h"
 #include "conf/conf.h"
 #include "lib/string.h"
+#include "lib/timer.h"
 
 #include "unix.h"
 #include "krt.h"
@@ -115,7 +115,7 @@ kif_force_scan(void)
   if (kif_proto && ((kif_last_shot + 2 S) < current_time()))
     {
       kif_scan(kif_scan_timer);
-      tm2_start(kif_scan_timer, ((struct kif_config *) kif_proto->p.cf)->scan_time);
+      tm_start(kif_scan_timer, ((struct kif_config *) kif_proto->p.cf)->scan_time);
     }
 }
 
@@ -123,7 +123,7 @@ void
 kif_request_scan(void)
 {
   if (kif_proto && (kif_scan_timer->expires > (current_time() + 1 S)))
-    tm2_start(kif_scan_timer, 1 S);
+    tm_start(kif_scan_timer, 1 S);
 }
 
 static struct proto *
@@ -144,9 +144,9 @@ kif_start(struct proto *P)
   kif_sys_start(p);
 
   /* Start periodic interface scanning */
-  kif_scan_timer = tm2_new_init(P->pool, kif_scan, p, KIF_CF->scan_time, 0);
+  kif_scan_timer = tm_new_init(P->pool, kif_scan, p, KIF_CF->scan_time, 0);
   kif_scan(kif_scan_timer);
-  tm2_start(kif_scan_timer, KIF_CF->scan_time);
+  tm_start(kif_scan_timer, KIF_CF->scan_time);
 
   return PS_UP;
 }
@@ -156,7 +156,7 @@ kif_shutdown(struct proto *P)
 {
   struct kif_proto *p = (struct kif_proto *) P;
 
-  tm2_stop(kif_scan_timer);
+  tm_stop(kif_scan_timer);
   kif_sys_shutdown(p);
   kif_proto = NULL;
 
@@ -174,10 +174,10 @@ kif_reconfigure(struct proto *p, struct proto_config *new)
 
   if (o->scan_time != n->scan_time)
     {
-      tm2_stop(kif_scan_timer);
+      tm_stop(kif_scan_timer);
       kif_scan_timer->recurrent = n->scan_time;
       kif_scan(kif_scan_timer);
-      tm2_start(kif_scan_timer, n->scan_time);
+      tm_start(kif_scan_timer, n->scan_time);
     }
 
   if (!EMPTY_LIST(o->iface_list) || !EMPTY_LIST(n->iface_list))
@@ -840,11 +840,11 @@ static void
 krt_scan_timer_start(struct krt_proto *p)
 {
   if (!krt_scan_count)
-    krt_scan_timer = tm2_new_init(krt_pool, krt_scan, NULL, KRT_CF->scan_time, 0);
+    krt_scan_timer = tm_new_init(krt_pool, krt_scan, NULL, KRT_CF->scan_time, 0);
 
   krt_scan_count++;
 
-  tm2_start(krt_scan_timer, 1 S);
+  tm_start(krt_scan_timer, 1 S);
 }
 
 static void
@@ -862,7 +862,7 @@ krt_scan_timer_stop(struct krt_proto *p UNUSED)
 static void
 krt_scan_timer_kick(struct krt_proto *p UNUSED)
 {
-  tm2_start(krt_scan_timer, 0);
+  tm_start(krt_scan_timer, 0);
 }
 
 #else
@@ -882,20 +882,20 @@ krt_scan(timer *t)
 static void
 krt_scan_timer_start(struct krt_proto *p)
 {
-  p->scan_timer = tm2_new_init(p->p.pool, krt_scan, p, KRT_CF->scan_time, 0);
-  tm2_start(p->scan_timer, 1 S);
+  p->scan_timer = tm_new_init(p->p.pool, krt_scan, p, KRT_CF->scan_time, 0);
+  tm_start(p->scan_timer, 1 S);
 }
 
 static void
 krt_scan_timer_stop(struct krt_proto *p)
 {
-  tm2_stop(p->scan_timer);
+  tm_stop(p->scan_timer);
 }
 
 static void
 krt_scan_timer_kick(struct krt_proto *p)
 {
-  tm2_start(p->scan_timer, 0);
+  tm_start(p->scan_timer, 0);
 }
 
 #endif
diff --git a/sysdep/unix/timer.h b/sysdep/unix/timer.h
deleted file mode 100644
index 989574bf..00000000
--- a/sysdep/unix/timer.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- *	BIRD -- Unix Timers
- *
- *	(c) 1998 Martin Mares <mj@ucw.cz>
- *
- *	Can be freely distributed and used under the terms of the GNU GPL.
- */
-
-#ifndef _BIRD_TIMER_H_
-#define _BIRD_TIMER_H_
-
-#include <time.h>
-
-#include "lib/birdlib.h"
-#include "lib/timer.h"
-
-
-typedef struct timer2 timer;
-#if 0
-static inline timer *tm_new(pool *p)
-{ return (void *) tm2_new(p); }
-
-static inline void tm_start(timer *t, bird_clock_t after)
-{ tm2_start(t, after S_); }
-
-static inline void tm_stop(timer *t)
-{ tm2_stop(t); }
-
-// void tm_dump_all(void);
-
-//extern bird_clock_t now; 		/* Relative, monotonic time in seconds */
-//extern bird_clock_t now_real;		/* Time in seconds since fixed known epoch */
-//extern bird_clock_t boot_time;
-
-static inline int tm_active(timer *t)
-{ return tm2_active(t); }
-
-static inline bird_clock_t tm_remains(timer *t)
-{ return tm2_remains(t) TO_S; }
-
-static inline void tm_start_max(timer *t, bird_clock_t after)
-{ tm2_start_max(t, after S_); }
-
-static inline timer * tm_new_set(pool *p, void (*hook)(timer *), void *data, uint rand, uint rec)
-{ return tm2_new_init(p, hook, data, rec S_, rand S_); }
-
-#endif
-
-
-
-#endif