[llvm-commits] CVS: llvm/lib/System/Unix/Process.cpp
Reid Spencer
reid at x10sys.com
Fri Sep 10 21:57:07 PDT 2004
Changes in directory llvm/lib/System/Unix:
Process.cpp added (r1.1)
---
Log message:
Provide a generic unix implementation of the Process abstraction.
---
Diffs of the changes: (+34 -0)
Index: llvm/lib/System/Unix/Process.cpp
diff -c /dev/null llvm/lib/System/Unix/Process.cpp:1.1
*** /dev/null Fri Sep 10 23:57:06 2004
--- llvm/lib/System/Unix/Process.cpp Fri Sep 10 23:56:56 2004
***************
*** 0 ****
--- 1,34 ----
+ //===- 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);
+ }
+
+ }
+ // vim: sw=2 smartindent smarttab tw=80 autoindent expandtab
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