From c489fbeefc73dd6a34ff45009bf23c1f97c7b94c Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Wed, 28 Apr 2010 18:22:46 +0000
Subject: [PATCH] is_true_threads() on win32 case

---
 panda/src/pipeline/contextSwitch.h              | 1 +
 panda/src/pipeline/contextSwitch_longjmp_src.c  | 1 +
 panda/src/pipeline/contextSwitch_ucontext_src.c | 1 +
 panda/src/pipeline/contextSwitch_windows_src.c  | 1 +
 panda/src/pipeline/threadSimpleImpl.I           | 2 +-
 5 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/panda/src/pipeline/contextSwitch.h b/panda/src/pipeline/contextSwitch.h
index 5262a5f8a2..f475b9781c 100644
--- a/panda/src/pipeline/contextSwitch.h
+++ b/panda/src/pipeline/contextSwitch.h
@@ -40,6 +40,7 @@ typedef void ContextFunction(struct ThreadContext *from_context, void *);
 typedef void ThreadFunction(void *);
 
 extern const int needs_stack_prealloc;
+extern const int is_os_threads;
 
 /* Call this to fill in the appropriate values in context.  If
    needs_stack_prealloc (above) is true, the stack must already have
diff --git a/panda/src/pipeline/contextSwitch_longjmp_src.c b/panda/src/pipeline/contextSwitch_longjmp_src.c
index 3dd444b198..c3640b8f1f 100755
--- a/panda/src/pipeline/contextSwitch_longjmp_src.c
+++ b/panda/src/pipeline/contextSwitch_longjmp_src.c
@@ -17,6 +17,7 @@
    which is necessary if setcontext() is not available. */
 
 const int needs_stack_prealloc = 1;
+const int is_os_threads = 0;
 
 #if defined(_M_IX86) || defined(__i386__)
 /* Maybe we can implement our own setjmp/longjmp in assembly code.
diff --git a/panda/src/pipeline/contextSwitch_ucontext_src.c b/panda/src/pipeline/contextSwitch_ucontext_src.c
index fdbfe84436..f589dbb5bf 100755
--- a/panda/src/pipeline/contextSwitch_ucontext_src.c
+++ b/panda/src/pipeline/contextSwitch_ucontext_src.c
@@ -24,6 +24,7 @@
 #endif
 
 const int needs_stack_prealloc = 1;
+const int is_os_threads = 0;
 
 struct ThreadContext {
   ucontext_t _ucontext;
diff --git a/panda/src/pipeline/contextSwitch_windows_src.c b/panda/src/pipeline/contextSwitch_windows_src.c
index c38a543461..bf13c13344 100755
--- a/panda/src/pipeline/contextSwitch_windows_src.c
+++ b/panda/src/pipeline/contextSwitch_windows_src.c
@@ -26,6 +26,7 @@
 
 /* The Windows implementation doesn't use the stack pointer. */
 const int needs_stack_prealloc = 0;
+const int is_os_threads = 1;
 
 static struct ThreadContext *current_context = NULL;
 
diff --git a/panda/src/pipeline/threadSimpleImpl.I b/panda/src/pipeline/threadSimpleImpl.I
index 3bedc3d74c..47a88580a6 100644
--- a/panda/src/pipeline/threadSimpleImpl.I
+++ b/panda/src/pipeline/threadSimpleImpl.I
@@ -69,7 +69,7 @@ is_threading_supported() {
 ////////////////////////////////////////////////////////////////////
 INLINE bool ThreadSimpleImpl::
 is_true_threads() {
-  return false;
+  return (is_os_threads != 0);
 }
 
 ////////////////////////////////////////////////////////////////////