llvm-6502/lib/System/Unix/Process.cpp
2004-09-11 04:56:56 +00:00

35 lines
1.3 KiB
C++

//===- Unix/Process.cpp - Unix 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 generic Unix implementation of the Process class.
//
//===----------------------------------------------------------------------===//
#include <unistd.h>
//===----------------------------------------------------------------------===//
//=== WARNING: Implementation here must contain only generic UNIX code that
//=== is guaranteed to work on *all* UNIX variants.
//===----------------------------------------------------------------------===//
namespace llvm {
using namespace sys;
unsigned
Process::GetPageSize() {
// NOTE: The getpagesize function doesn't exist in POSIX 1003.1 and is
// "deprecated" in SUSv2. Platforms including this implementation should
// consider sysconf(_SC_PAGE_SIZE) if its available.
static const int page_size = getpagesize();
return static_cast<unsigned>(page_size);
}
}
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