From 546521f9c9861f8a968ffb255dda7a9a2526b709 Mon Sep 17 00:00:00 2001
From: raster <raster@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Date: Fri, 13 Mar 2009 09:32:42 +0000
Subject: [PATCH] use mutex instead of spinlock. older pthreads dont have
 spinlocks. also this uses the same mutex macros used by the mutex on font
 objects, so it makes it a bit simpler. old code is commented out for
 reference.

git-svn-id: svn+ssh://svn.enlightenment.org/var/svn/e/trunk/evas@39458 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
---
 src/lib/file/evas_module.c | 48 +++++++++++++++++++++++++++++++---------------
 src/lib/file/evas_module.h |  4 ++--
 2 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/src/lib/file/evas_module.c b/src/lib/file/evas_module.c
index e02cb5e..46f6071 100644
--- a/src/lib/file/evas_module.c
+++ b/src/lib/file/evas_module.c
@@ -174,9 +174,12 @@ evas_module_init(void)
 		  em->handle = NULL;
 		  em->data = NULL;
                   em->loaded = 0;
-#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
-		  pthread_spin_init(&em->lock, PTHREAD_PROCESS_PRIVATE);
-#endif
+#ifdef BUILD_ASYNC_PRELOAD                  
+                  LKI(em->lock);
+#endif                  
+//#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
+//		  pthread_mutex_init(&em->lock, NULL);
+//#endif
 		  if (em->type == EVAS_MODULE_TYPE_ENGINE)
 		    {
 		       Evas_Module_Engine *eme;
@@ -309,35 +312,50 @@ evas_module_unload(Evas_Module *em)
    em->func.close = NULL;
    em->api = NULL;
    em->loaded = 0;
-#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
-   pthread_spin_destroy(&em->lock);
+#ifdef BUILD_ASYNC_PRELOAD   
+   LKD(em->lock);
 #endif
+//#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
+//   pthread_mutex_destroy(&em->lock);
+//#endif
 }
 
 void
 evas_module_ref(Evas_Module *em)
 {
-#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
-   pthread_spin_lock(&em->lock);
-#endif
+#ifdef BUILD_ASYNC_PRELOAD
+   LKL(em->lock);
+#endif   
+//#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
+//   pthread_mutex_lock(&em->lock);
+//#endif
    em->ref++;
 /*   printf("M: %s ref++ = %i\n", em->name, em->ref); */
-#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
-   pthread_spin_unlock(&em->lock);
+#ifdef BUILD_ASYNC_PRELOAD
+   LKU(em->lock);
 #endif
+//#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
+//   pthread_mutex_unlock(&em->lock);
+//#endif
 }
 
 void
 evas_module_unref(Evas_Module *em)
 {
-#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
-   pthread_spin_lock(&em->lock);
-#endif
+#ifdef BUILD_ASYNC_PRELOAD
+   LKL(em->lock);
+#endif   
+//#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
+//   pthread_mutex_lock(&em->lock);
+//#endif
    em->ref--;
 /*   printf("M: %s ref-- = %i\n", em->name, em->ref); */
-#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
-   pthread_spin_unlock(&em->lock);
+#ifdef BUILD_ASYNC_PRELOAD
+   LKU(em->lock);
 #endif
+//#if defined(BUILD_PTHREAD) && defined(BUILD_ASYNC_PRELOAD)
+//   pthread_mutex_unlock(&em->lock);
+//#endif
 }
 
 static int use_count = 0;
diff --git a/src/lib/file/evas_module.h b/src/lib/file/evas_module.h
index bc7e6de..7c6c277 100644
--- a/src/lib/file/evas_module.h
+++ b/src/lib/file/evas_module.h
@@ -50,8 +50,8 @@ struct _Evas_Module
    int           ref; /* how many refs */
    int           last_used; /* the cycle count when it was last used */
 
-#if defined(HAVE_PTHREAD_H) && defined(BUILD_ASYNC_PRELOAD) && _POSIX_SPIN_LOCKS > -1
-   pthread_spinlock_t lock;
+#if defined(HAVE_PTHREAD_H) && defined(BUILD_ASYNC_PRELOAD)
+   pthread_mutex_t lock;
 #endif
 
    unsigned char	loaded : 1;
-- 
2.7.4