From cc765c2a2e1ab7702080b7fd2f0a7b21d8ac60ff Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Sat, 16 Jun 2001 18:47:49 +0000
Subject: Make _STACK_GROWS_UP work.

---
 linuxthreads/internals.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'linuxthreads/internals.h')

diff --git a/linuxthreads/internals.h b/linuxthreads/internals.h
index aeb45aa..a78f9b6 100644
--- a/linuxthreads/internals.h
+++ b/linuxthreads/internals.h
@@ -384,7 +384,11 @@ static inline pthread_descr thread_self (void)
   else if (__pthread_nonstandard_stacks)
     return __pthread_find_self();
   else
+#ifdef _STACK_GROWS_DOWN
     return (pthread_descr)(((unsigned long)sp | (STACK_SIZE-1))+1) - 1;
+#else
+    return (pthread_descr)((unsigned long)sp &~ (STACK_SIZE-1));
+#endif
 #endif
 }
 
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