From 5ee546eb4e446632c32e62a5234241fd6498f281 Mon Sep 17 00:00:00 2001
From: Xiaohong Bao <bao@lindenlab.com>
Date: Thu, 14 Oct 2010 17:01:39 -0600
Subject: for SH-335: create a debug tool to track of memory availability.

---
 indra/llcommon/llsys.cpp | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'indra/llcommon/llsys.cpp')

diff --git a/indra/llcommon/llsys.cpp b/indra/llcommon/llsys.cpp
index 00c94404d4..7a82a17d0b 100644
--- a/indra/llcommon/llsys.cpp
+++ b/indra/llcommon/llsys.cpp
@@ -635,6 +635,25 @@ U32 LLMemoryInfo::getPhysicalMemoryClamped() const
 	}
 }
 
+void LLMemoryInfo::getAvailableMemoryKB(U32& avail_physical_mem_kb, U32& avail_virtual_mem_kb) const
+{
+#if LL_WINDOWS
+	MEMORYSTATUSEX state;
+	state.dwLength = sizeof(state);
+	GlobalMemoryStatusEx(&state);
+
+	avail_physical_mem_kb = (U32)(state.ullAvailPhys/1024) ;
+	avail_virtual_mem_kb = (U32)(state.ullAvailVirtual/1024) ;
+
+#else
+	//do not know how to collect available memory info for other systems.
+	//leave it blank here for now.
+
+	avail_physical_mem_kb = -1 ;
+	avail_virtual_mem_kb = -1 ;
+#endif
+}
+
 void LLMemoryInfo::stream(std::ostream& s) const
 {
 #if LL_WINDOWS
-- 
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