From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 20 Mar 2003 08:58:35 +0000 (+0000)
Subject: (allocate_stack): Assume atomic_exchange_and_add returns the old value.
X-Git-Tag: cvs/glibc-2_3_3~1145
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=91958edc8459a45bc8c0b6d355ffbfdd245296fb;p=thirdparty%2Fglibc.git

(allocate_stack): Assume atomic_exchange_and_add returns the old value.
---

diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c
index f22f304347f..c199cf21d48 100644
--- a/nptl/allocatestack.c
+++ b/nptl/allocatestack.c
@@ -400,7 +400,8 @@ allocate_stack (const struct pthread_attr *attr, struct pthread **pdp,
 
 #if COLORING_INCREMENT != 0
 	  /* Atomically increment NCREATED.  */
-	  unsigned int ncreated = atomic_exchange_and_add (&nptl_ncreated, 1);
+	  unsigned int ncreated = (atomic_exchange_and_add (&nptl_ncreated, 1)
+				   + 1);
 
 	  /* We chose the offset for coloring by incrementing it for
 	     every new thread by a fixed amount.  The offset used