From 36e69bef199b06c6254148b919284f8685ba7fea Mon Sep 17 00:00:00 2001
From: zedshaw <zedshaw@19e92222-5c0b-0410-8929-a290d50e31e9>
Date: Mon, 20 Nov 2006 16:53:14 +0000
Subject: Removed old optimized_locking code in favor of fastthread by same
 mentalguy.

git-svn-id: svn+ssh://rubyforge.org/var/svn/mongrel/trunk@399 19e92222-5c0b-0410-8929-a290d50e31e9
---
 ext/optimized_locking/extconf.rb          |   3 -
 ext/optimized_locking/optimized_locking.c | 205 ------------------------------
 2 files changed, 208 deletions(-)
 delete mode 100644 ext/optimized_locking/extconf.rb
 delete mode 100644 ext/optimized_locking/optimized_locking.c

diff --git a/ext/optimized_locking/extconf.rb b/ext/optimized_locking/extconf.rb
deleted file mode 100644
index e1b4ec2..0000000
--- a/ext/optimized_locking/extconf.rb
+++ /dev/null
@@ -1,3 +0,0 @@
-require 'mkmf'
-
-create_makefile('optimized_locking')
diff --git a/ext/optimized_locking/optimized_locking.c b/ext/optimized_locking/optimized_locking.c
deleted file mode 100644
index 9e1a02e..0000000
--- a/ext/optimized_locking/optimized_locking.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/*
- * Optimized Ruby Mutex implementation, loosely based on thread.rb by
- * Yukihiro Matsumoto <matz@ruby-lang.org>
- *
- *  Copyright 2006  MenTaLguY <mental@rydia.net>
- *
- * This file is made available under the same terms as Ruby.
- */
-
-#include <ruby.h>
-#include <intern.h>
-#include <rubysig.h>
-
-static VALUE rb_cOptimizedMutex;
-static VALUE rb_eThreadError;
-
-typedef struct _WaitEntry {
-  struct _WaitEntry *next;
-  VALUE thread;
-} WaitEntry;
-
-typedef struct _Mutex {
-  VALUE locked;
-  WaitEntry *waiting;
-  WaitEntry *last_waiting;
-  WaitEntry *entry_pool;
-} Mutex;
-
-static void
-rb_mutex_mark(m)
-  Mutex *m;
-{
-  rb_gc_mark(m->locked);
-  WaitEntry *e=m->waiting;
-  while (e) {
-    rb_gc_mark(e->thread);
-    e = e->next;
-  }
-}
-
-static void
-rb_mutex_free(m)
-  Mutex *m;
-{
-  WaitEntry *e;
-  if (m->waiting) {
-    rb_bug("mutex %p freed with thread(s) waiting", m);
-  }
-  e = m->entry_pool;
-  while (e) {
-    WaitEntry *next = e->next;
-    free(e);
-    e = next;
-  }
-  free(m);
-}
-
-static VALUE
-return_value(value)
-  VALUE value;
-{
-  return value;
-}
-
-static VALUE
-rb_mutex_alloc()
-{
-  Mutex *m;
-  m = (Mutex *)malloc(sizeof(Mutex));
-  m->locked = Qfalse;
-  m->waiting = NULL;
-  m->last_waiting = NULL;
-  m->entry_pool = NULL;
-
-  return Data_Wrap_Struct(rb_cOptimizedMutex, rb_mutex_mark, rb_mutex_free, m);
-}
-
-static VALUE
-rb_mutex_locked_p(self)
-  VALUE self;
-{
-  Mutex *m;
-  Data_Get_Struct(self, Mutex, m);
-  return ( m->locked ? Qtrue : Qfalse );
-}
-
-static VALUE
-rb_mutex_try_lock(self)
-  VALUE self;
-{
-  Mutex *m;
-  VALUE result;
-
-  Data_Get_Struct(self, Mutex, m);
-
-  result = Qfalse;
-
-  rb_thread_critical = Qtrue;
-  if (!RTEST(m->locked)) {
-    m->locked = rb_thread_current();
-    result = Qtrue;
-  }
-  rb_thread_critical = Qfalse;
-
-  return result;
-}
-
-static VALUE
-rb_mutex_lock(self)
-  VALUE self;
-{
-  Mutex *m;
-  VALUE current;
-
-  Data_Get_Struct(self, Mutex, m);
-  current = rb_thread_current();
-
-  rb_thread_critical = Qtrue;
-  while (RTEST(m->locked)) {
-    WaitEntry *e;
-
-    if ( m->locked == current ) {
-      rb_raise(rb_eThreadError, "deadlock; recursive locking");
-    }
-
-    if (m->entry_pool) {
-      e = m->entry_pool;
-      m->entry_pool = e->next;
-    } else {
-      e = (WaitEntry *)malloc(sizeof(WaitEntry));
-    }
-
-    e->thread = current;
-    e->next = NULL;
-
-    if (m->last_waiting) {
-      m->last_waiting->next = e;
-    } else {
-      m->waiting = e;
-    }
-    m->last_waiting = e;
-
-    rb_thread_stop();
-    rb_thread_critical = Qtrue;
-  }
-  m->locked = current; 
-  rb_thread_critical = Qfalse;
-  return self;
-}
-
-static VALUE
-rb_mutex_unlock(self)
-  VALUE self;
-{
-  Mutex *m;
-  VALUE current;
-  VALUE waking;
-  Data_Get_Struct(self, Mutex, m);
-  current = rb_thread_current();
-  if (!RTEST(m->locked)) {
-    return Qnil;
-  }
-  rb_thread_critical = Qtrue;
-  m->locked = Qfalse;
-  waking = Qnil;
-  while ( m->waiting && !RTEST(waking) ) {
-    WaitEntry *e;
-    e = m->waiting;
-    m->waiting = e->next;
-    if (!m->waiting) {
-      m->last_waiting = NULL;
-    }
-    e->next = m->entry_pool;
-    m->entry_pool = e;
-    waking = rb_rescue2(rb_thread_wakeup, e->thread, return_value, Qnil, rb_eThreadError, 0);
-  }
-  rb_thread_critical = Qfalse;
-  if (RTEST(waking)) {
-    rb_rescue2(rb_thread_run, waking, return_value, Qnil, rb_eThreadError, 0);
-  }
-  return self;
-}
-
-static VALUE
-rb_mutex_synchronize(self)
-  VALUE self;
-{
-  rb_mutex_lock(self);
-  return rb_ensure(rb_yield, Qundef, rb_mutex_unlock, self);
-}
-
-void
-Init_optimized_locking()
-{
-  rb_require("thread");
-  rb_eThreadError = rb_const_get(rb_cObject, rb_intern("ThreadError"));
-  rb_cOptimizedMutex = rb_define_class("OptimizedMutex", rb_cObject);
-  rb_define_alloc_func(rb_cOptimizedMutex, rb_mutex_alloc);
-  rb_define_method(rb_cOptimizedMutex, "locked?", rb_mutex_locked_p, 0);
-  rb_define_method(rb_cOptimizedMutex, "try_lock", rb_mutex_try_lock, 0);
-  rb_define_method(rb_cOptimizedMutex, "lock", rb_mutex_lock, 0);
-  rb_define_method(rb_cOptimizedMutex, "unlock", rb_mutex_unlock, 0);
-  rb_define_method(rb_cOptimizedMutex, "synchronize", rb_mutex_synchronize, 0);
-}
-
-- 
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