LLVM API Documentation

Unix/SUS/Process.cpp

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00001 //===- Unix/SUS/Process.cpp - Linux Process Implementation ---- -*- C++ -*-===//
00002 //
00003 //                     The LLVM Compiler Infrastructure
00004 //
00005 // This file was developed by Reid Spencer and is distributed under the
00006 // University of Illinois Open Source License. See LICENSE.TXT for details.
00007 //
00008 //===----------------------------------------------------------------------===//
00009 //
00010 // This file provides the Linux specific implementation of the Process class.
00011 //
00012 //===----------------------------------------------------------------------===//
00013 
00014 #include <unistd.h>
00015 
00016 //===----------------------------------------------------------------------===//
00017 //=== WARNING: Implementation here must contain only code specific to the
00018 //===          SUS (Single Unix Specification).
00019 //===----------------------------------------------------------------------===//
00020 
00021 namespace llvm {
00022 using namespace sys;
00023 
00024 unsigned
00025 Process::GetPageSize() {
00026   static const long page_size = sysconf(_SC_PAGE_SIZE);
00027   return static_cast<unsigned>(page_size);
00028 }
00029 
00030 }