[glib] gslice: move initialisation to glib-ctor

[Ryan Lortie <ryanl src gnome org>]

commit ae4419610cf920acc2ada9df0e5320a500e9965c
Author: Ryan Lortie <desrt desrt ca>
Date:   Sun Sep 18 02:17:17 2011 -0400

    gslice: move initialisation to glib-ctor

 glib/gslice.c         |   28 +++++-----------------------
 glib/gthread.c        |    3 ---
 glib/gthreadprivate.h |    1 -
 3 files changed, 5 insertions(+), 27 deletions(-)
---
diff --git a/glib/gslice.c b/glib/gslice.c
index f552d45..05b4a5a 100644
--- a/glib/gslice.c
+++ b/glib/gslice.c
@@ -52,6 +52,7 @@
 #include "gthread.h"
 #include "gthreadprivate.h"
 #include "glib_trace.h"
+#include "glib-ctor.h"
 
 /* the GSlice allocator is split up into 4 layers, roughly modelled after the slab
  * allocator and magazine extensions as outlined in:
@@ -297,8 +298,7 @@ slice_config_init (SliceConfig *config)
     config->debug_blocks = TRUE;
 }
 
-static void
-g_slice_init_nomessage (void)
+GLIB_CTOR (g_slice_init_nomessage)
 {
   /* we may not use g_error() or friends here */
   mem_assert (sys_page_size == 0);
@@ -360,21 +360,18 @@ g_slice_init_nomessage (void)
   /* at this point, g_mem_gc_friendly() should be initialized, this
    * should have been accomplished by the above g_malloc/g_new calls
    */
+  g_private_init (&private_thread_memory, private_thread_memory_cleanup);
 }
 
 static inline guint
 allocator_categorize (gsize aligned_chunk_size)
 {
+  GLIB_ENSURE_CTOR (g_slice_init_nomessage);
+
   /* speed up the likely path */
   if (G_LIKELY (aligned_chunk_size && aligned_chunk_size <= allocator->max_slab_chunk_size_for_magazine_cache))
     return 1;           /* use magazine cache */
 
-  /* the above will fail (max_slab_chunk_size_for_magazine_cache == 0) if the
-   * allocator is still uninitialized, or if we are not configured to use the
-   * magazine cache.
-   */
-  if (!sys_page_size)
-    g_slice_init_nomessage ();
   if (!allocator->config.always_malloc &&
       aligned_chunk_size &&
       aligned_chunk_size <= MAX_SLAB_CHUNK_SIZE (allocator))
@@ -386,21 +383,6 @@ allocator_categorize (gsize aligned_chunk_size)
   return 0;             /* use malloc() */
 }
 
-void
-_g_slice_thread_init_nomessage (void)
-{
-  /* we may not use g_error() or friends here */
-  if (!sys_page_size)
-    g_slice_init_nomessage();
-  else
-    {
-      /* g_slice_init_nomessage() has been called already, probably due
-       * to a g_slice_alloc1() before g_thread_init().
-       */
-    }
-  g_private_init (&private_thread_memory, private_thread_memory_cleanup);
-}
-
 static inline void
 g_mutex_lock_a (GMutex *mutex,
                 guint  *contention_counter)
diff --git a/glib/gthread.c b/glib/gthread.c
index 57cea0c..84ba8a3 100644
--- a/glib/gthread.c
+++ b/glib/gthread.c
@@ -949,9 +949,6 @@ g_thread_init_glib (void)
   g_private_set (&g_thread_specific_private, main_thread);
   G_THREAD_UF (thread_self, (&main_thread->system_thread));
 
-  /* complete memory system initialization, g_private_*() works now */
-  _g_slice_thread_init_nomessage ();
-
   /* accomplish log system initialization to enable messaging */
   _g_messages_thread_init_nomessage ();
 }
diff --git a/glib/gthreadprivate.h b/glib/gthreadprivate.h
index 05a91cf..981c01e 100644
--- a/glib/gthreadprivate.h
+++ b/glib/gthreadprivate.h
@@ -49,7 +49,6 @@ void g_thread_init_glib (void);
 /* base initializers, may only use g_mutex_new(), g_cond_new() */
 G_GNUC_INTERNAL void _g_mem_thread_init_noprivate_nomessage (void);
 /* initializers that may also use g_private_new() */
-G_GNUC_INTERNAL void _g_slice_thread_init_nomessage	    (void);
 G_GNUC_INTERNAL void _g_messages_thread_init_nomessage      (void);
 
 /* full fledged initializers */