From b9376dde1461ba01eb357cbf71da012aa4b1bbd0 Mon Sep 17 00:00:00 2001
From: Reid Spencer <rspencer@reidspencer.com>
Date: Mon, 20 Dec 2004 16:33:37 +0000
Subject: [PATCH] Provide a getrusage based implementation of
 GetTotalMemoryUsage and use the ru_maxrss field as an approximation.

llvm-svn: 19072
---
 lib/System/Unix/Process.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/System/Unix/Process.cpp b/lib/System/Unix/Process.cpp
index c9507cb4e7b..eef6535ee90 100644
--- a/lib/System/Unix/Process.cpp
+++ b/lib/System/Unix/Process.cpp
@@ -74,6 +74,10 @@ Process::GetTotalMemoryUsage()
 #if defined(HAVE_MALLINFO)
   struct mallinfo mi = ::mallinfo();
   return mi.uordblks + mi.hblkhd;
+#elif defined(HAVE_GETRUSAGE)
+  struct rusage usage;
+  ::getrusage(RUSAGE_SELF, &usage);
+  return usage.ru_maxrss;
 #else
 #warning Cannot get total memory size on this platform
   return 0;