From b59bf98b93f998512af81c0d3571bb5c49c37ab6 Mon Sep 17 00:00:00 2001
From: Alexandre Julliard <julliard@winehq.org>
Date: Wed, 26 Mar 2003 01:33:48 +0000
Subject: [PATCH] Moved errno_location support to sysdeps.c.

---
 include/thread.h    |  1 +
 libs/wine/errno.c   | 39 ---------------------------
 scheduler/sysdeps.c | 64 +++++++++++++++++++++++++++++++++++++++++++++
 scheduler/thread.c  | 23 +---------------
 4 files changed, 66 insertions(+), 61 deletions(-)

diff --git a/include/thread.h b/include/thread.h
index 5dab1a6bdf7..5fadd2b5b5c 100644
--- a/include/thread.h
+++ b/include/thread.h
@@ -147,6 +147,7 @@ extern TEB *THREAD_IdToTEB( DWORD id );
 /* scheduler/sysdeps.c */
 extern int SYSDEPS_SpawnThread( TEB *teb );
 extern void SYSDEPS_SetCurThread( TEB *teb );
+extern void SYSDEPS_InitErrno(void);
 extern void DECLSPEC_NORETURN SYSDEPS_ExitThread( int status );
 extern void DECLSPEC_NORETURN SYSDEPS_AbortThread( int status );
 extern void DECLSPEC_NORETURN SYSDEPS_SwitchToThreadStack( void (*func)(void) );
diff --git a/libs/wine/errno.c b/libs/wine/errno.c
index f0b950d7ee0..081221f8a1b 100644
--- a/libs/wine/errno.c
+++ b/libs/wine/errno.c
@@ -22,45 +22,6 @@
 
 #include <assert.h>
 
-/* default errno before threading is initialized */
-static int *default_errno_location(void)
-{
-    static int errno;
-    return &errno;
-}
-
-/* default h_errno before threading is initialized */
-static int *default_h_errno_location(void)
-{
-    static int h_errno;
-    return &h_errno;
-}
-
-int* (*wine_errno_location)(void) = default_errno_location;
-int* (*wine_h_errno_location)(void) = default_h_errno_location;
-
-/***********************************************************************
- *           __errno_location/__error/___errno
- *
- * Get the per-thread errno location.
- */
-#ifdef ERRNO_LOCATION
-int *ERRNO_LOCATION(void)
-{
-    return wine_errno_location();
-}
-#endif /* ERRNO_LOCATION */
-
-/***********************************************************************
- *           __h_errno_location
- *
- * Get the per-thread h_errno location.
- */
-int *__h_errno_location(void)
-{
-    return wine_h_errno_location();
-}
-
 /***********************************************************************
  *		pthread functions
  */
diff --git a/scheduler/sysdeps.c b/scheduler/sysdeps.c
index 0c62aa803cf..7c322d120ea 100644
--- a/scheduler/sysdeps.c
+++ b/scheduler/sysdeps.c
@@ -318,6 +318,70 @@ void SYSDEPS_AbortThread( int status )
 }
 
 
+/* default errno before threading is initialized */
+static int *default_errno_location(void)
+{
+    static int errno;
+    return &errno;
+}
+
+/* default h_errno before threading is initialized */
+static int *default_h_errno_location(void)
+{
+    static int h_errno;
+    return &h_errno;
+}
+
+/* errno once threading is working */
+static int *thread_errno_location(void)
+{
+    return &NtCurrentTeb()->thread_errno;
+}
+
+/* h_errno once threading is working */
+static int *thread_h_errno_location(void)
+{
+    return &NtCurrentTeb()->thread_h_errno;
+}
+
+static int* (*errno_location_ptr)(void) = default_errno_location;
+static int* (*h_errno_location_ptr)(void) = default_h_errno_location;
+
+/***********************************************************************
+ *           __errno_location/__error/___errno
+ *
+ * Get the per-thread errno location.
+ */
+#ifdef ERRNO_LOCATION
+int *ERRNO_LOCATION(void)
+{
+    return errno_location_ptr();
+}
+#endif /* ERRNO_LOCATION */
+
+/***********************************************************************
+ *           __h_errno_location
+ *
+ * Get the per-thread h_errno location.
+ */
+int *__h_errno_location(void)
+{
+    return h_errno_location_ptr();
+}
+
+
+/***********************************************************************
+ *           SYSDEPS_InitErrno
+ *
+ * Initialize errno handling.
+ */
+void SYSDEPS_InitErrno(void)
+{
+    errno_location_ptr = thread_errno_location;
+    h_errno_location_ptr = thread_h_errno_location;
+}
+
+
 /**********************************************************************
  *           NtCurrentTeb   (NTDLL.@)
  *
diff --git a/scheduler/thread.c b/scheduler/thread.c
index 192f8915c86..7cdd8df554f 100644
--- a/scheduler/thread.c
+++ b/scheduler/thread.c
@@ -210,26 +210,6 @@ error:
 }
 
 
-/***********************************************************************
- *           thread_errno_location
- *
- * Get the per-thread errno location.
- */
-static int *thread_errno_location(void)
-{
-    return &NtCurrentTeb()->thread_errno;
-}
-
-/***********************************************************************
- *           thread_h_errno_location
- *
- * Get the per-thread h_errno location.
- */
-static int *thread_h_errno_location(void)
-{
-    return &NtCurrentTeb()->thread_h_errno;
-}
-
 /***********************************************************************
  *           THREAD_Init
  *
@@ -245,8 +225,7 @@ void THREAD_Init(void)
         assert( initial_teb.teb_sel );
         initial_teb.process = &current_process;
         SYSDEPS_SetCurThread( &initial_teb );
-        wine_errno_location = thread_errno_location;
-        wine_h_errno_location = thread_h_errno_location;
+        SYSDEPS_InitErrno();
     }
 }