From 14d7e2d67a4d0d66faeeaa544333c2c6616c0629 Mon Sep 17 00:00:00 2001
From: Pekka Riikonen <priikone@silcnet.org>
Date: Sun, 10 Dec 2006 16:07:49 +0000
Subject: [PATCH] 	Added silc_fsm_is_started.

---
 lib/silcutil/silcfsm.c   | 26 +++++++++++++++++++++++++-
 lib/silcutil/silcfsm.h   | 14 ++++++++++++++
 lib/silcutil/silcfsm_i.h |  1 +
 3 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/lib/silcutil/silcfsm.c b/lib/silcutil/silcfsm.c
index f22abd67..5cd81e19 100644
--- a/lib/silcutil/silcfsm.c
+++ b/lib/silcutil/silcfsm.c
@@ -68,6 +68,7 @@ SilcBool silc_fsm_init(SilcFSM fsm,
   fsm->schedule = schedule;
   fsm->thread = FALSE;
   fsm->async_call = FALSE;
+  fsm->started = FALSE;
   fsm->u.m.threads = 0;
   fsm->u.m.lock = NULL;
 
@@ -114,6 +115,7 @@ void silc_fsm_thread_init(SilcFSMThread thread,
   thread->schedule = fsm->schedule;
   thread->thread = TRUE;
   thread->async_call = FALSE;
+  thread->started = FALSE;
   thread->real_thread = real_thread;
   thread->u.t.fsm = fsm;
 
@@ -157,7 +159,11 @@ SILC_TASK_CALLBACK(silc_fsm_free_final)
 void silc_fsm_free(void *fsm)
 {
   SilcFSM f = fsm;
-  silc_schedule_task_add_timeout(f->schedule, silc_fsm_free_final, f, 0, 0);
+  if (!f->thread)
+    silc_schedule_task_add_timeout(f->schedule, silc_fsm_free_final, f, 0, 0);
+  else
+    silc_fsm_free_final(f->schedule, silc_schedule_get_context(f->schedule),
+			0, 0, f);
 }
 
 /* Task to start real thread. We start threads through scheduler, not
@@ -190,6 +196,7 @@ void silc_fsm_start(void *fsm, SilcFSMStateCallback start_state)
   f->finished = FALSE;
   f->next_state = start_state;
   f->synchronous = FALSE;
+  f->started = TRUE;
 
   /* Start real thread through scheduler */
   if (f->thread && f->real_thread) {
@@ -213,6 +220,7 @@ void silc_fsm_start_sync(void *fsm, SilcFSMStateCallback start_state)
   f->finished = FALSE;
   f->next_state = start_state;
   f->synchronous = TRUE;
+  f->started = TRUE;
 
   /* Start real thread directly */
   if (f->thread && f->real_thread) {
@@ -281,6 +289,10 @@ void silc_fsm_finish(void *fsm)
 
   SILC_ASSERT(!f->finished);
   f->finished = TRUE;
+  f->started = FALSE;
+
+  silc_schedule_task_del_by_all(f->schedule, 0, silc_fsm_run, f);
+  f->next_later = FALSE;
 
   /* If we are thread and using real threads, the FSM thread will finish
      after the real thread has finished, in the main thread. */
@@ -315,6 +327,18 @@ SilcFSM silc_fsm_get_machine(SilcFSMThread thread)
   return (SilcFSM)thread->u.t.fsm;
 }
 
+/* Returns TRUE if FSM is started and not yet finished */
+
+SilcBool silc_fsm_is_started(void *fsm)
+{
+  SilcFSM f = fsm;
+
+  if (f->started && !f->finished)
+    return TRUE;
+
+  return FALSE;
+}
+
 /* Set context */
 
 void silc_fsm_set_context(void *fsm, void *fsm_context)
diff --git a/lib/silcutil/silcfsm.h b/lib/silcutil/silcfsm.h
index b7413afe..2f27184e 100644
--- a/lib/silcutil/silcfsm.h
+++ b/lib/silcutil/silcfsm.h
@@ -797,6 +797,20 @@ SilcSchedule silc_fsm_get_schedule(void *fsm);
  ***/
 SilcFSM silc_fsm_get_machine(SilcFSMThread thread);
 
+/****f* silcutil/SilcFSMAPI/silc_fsm_is_started
+ *
+ * SYNOPSIS
+ *
+ *    SilcBool silc_fsm_is_started(void *fsm);
+ *
+ * DESCRIPTION
+ *
+ *    Returns TRUE if the machine or thread `fsm' has been started and has
+ *    not been finished yet.  This function is used with both SilcFSM and
+ *    SilcFSMThread contexts.
+ *
+ ***/
+SilcBool silc_fsm_is_started(void *fsm);
 
 /* FSM Semaphores */
 
diff --git a/lib/silcutil/silcfsm_i.h b/lib/silcutil/silcfsm_i.h
index 53b7ce33..09c167b6 100644
--- a/lib/silcutil/silcfsm_i.h
+++ b/lib/silcutil/silcfsm_i.h
@@ -65,6 +65,7 @@ struct SilcFSMObject {
   unsigned int sema_timedout    : 1;    /* Set if waiting sema timedout */
   unsigned int synchronous      : 1;    /* Set if silc_fsm_start_sync called */
   unsigned int next_later       : 1;    /* Set if silc_fsm_next_later called */
+  unsigned int started          : 1;    /* Set when started and not finished */
 };
 
 /* Semaphore post context */
-- 
2.24.0