Implementation of Process concept for SUSv2 platforms.

llvm-svn: 16288

1 files changed, 31 insertions, 0 deletions

diff --git a/llvm/lib/System/Unix/SUS/Process.cpp b/llvm/lib/System/Unix/SUS/Process.cpp
new file mode 100644
index 00000000000..d10b88ecff3
--- /dev/null
+++ b/llvm/lib/System/Unix/SUS/Process.cpp
@@ -0,0 +1,31 @@
+//===- Unix/SUS/Process.cpp - Linux Process Implementation ---- -*- C++ -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Reid Spencer and is distributed under the 
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file provides the Linux specific implementation of the Process class.
+//
+//===----------------------------------------------------------------------===//
+
+#include <unistd.h>
+
+//===----------------------------------------------------------------------===//
+//=== WARNING: Implementation here must contain only code specific to the 
+//===          SUS (Single Unix Specification).
+//===----------------------------------------------------------------------===//
+
+namespace llvm {
+using namespace sys;
+
+unsigned 
+Process::GetPageSize() {
+  static const long page_size = sysconf(_SC_PAGE_SIZE);
+  return static_cast<unsigned>(page_size);
+}
+
+}
+// vim: sw=2 smartindent smarttab tw=80 autoindent expandtab