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authorAndi Kleen <ak@linux.intel.com>2014-06-13 15:50:45 -0700
committerAndi Kleen <ak@linux.intel.com>2014-06-14 09:27:09 -0700
commit0f6901d0a14a99b1e7c741fe694d392a259cb361 (patch)
tree9e3646845c473a3a24afcc8e2632c2f59b93a089
parent38bbbb9f323d0e8a0f925402c67bdca40709e03d (diff)
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Add fallback file for elide.h
Add the missing fallback file for elide.h to fix non x86 builds. Sorry about that. This is just a noop macro file that makes all elision code to be optimized out.
-rw-r--r--ChangeLog4
-rw-r--r--sysdeps/generic/elide.h25
2 files changed, 29 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index eb668b28ae..99e7e8b20b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-06-14 Andi Kleen <ak@linux.intel.com>
+
+ * sysdeps/generic/elide.h: New file.
+
2014-06-13 Stefan Liebler <stli@linux.vnet.ibm.com>
* Makefile (installed-headers): Adjust path of pthread.h header.
diff --git a/sysdeps/generic/elide.h b/sysdeps/generic/elide.h
new file mode 100644
index 0000000000..180e632426
--- /dev/null
+++ b/sysdeps/generic/elide.h
@@ -0,0 +1,25 @@
+/* elide.h: Fallback noop lock elision support.
+ Copyright (C) 2014 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+#ifndef ELIDE_H
+#define ELIDE_H 1
+
+#define ELIDE_LOCK(adapt_count, is_lock_free) 0
+#define ELIDE_TRYLOCK(adapt_count, is_lock_free, write) 0
+#define ELIDE_UNLOCK(is_lock_free) 0
+
+#endif