From 75ea01c8732f2a73facdbe660d15a7a6cceb23eb Mon Sep 17 00:00:00 2001
From: "mark@chromium.org"
 <mark@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Tue, 16 Sep 2008 13:43:59 +0000
Subject: Mac/mach implementation of disk_cache::GetSystemMemory().  Patch by
 Kelly Norton <knorton@google.com>.

http://codereview.chromium.org/3078


git-svn-id: svn://svn.chromium.org/chrome/trunk/src@2258 0039d316-1c4b-4281-b951-d872f2087c98
---
 net/disk_cache/cache_util_posix.cc | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'net/disk_cache')

diff --git a/net/disk_cache/cache_util_posix.cc b/net/disk_cache/cache_util_posix.cc
index 041b2b5..c912e2b 100644
--- a/net/disk_cache/cache_util_posix.cc
+++ b/net/disk_cache/cache_util_posix.cc
@@ -12,6 +12,11 @@
 #include "base/logging.h"
 #include "base/string_util.h"
 
+#if defined(OS_MACOSX)
+#include <mach/mach_host.h>
+#include <mach/mach_init.h>
+#endif
+
 namespace disk_cache {
 
 int64 GetFreeDiskSpace(const std::wstring& path) {
@@ -36,8 +41,16 @@ int64 GetSystemMemory() {
   int64 result = static_cast<int64>(pages) * page_size;
   DCHECK(result > 0);
   return result;
+#elif defined(OS_MACOSX)
+  struct host_basic_info hostinfo;
+  mach_msg_type_number_t count = HOST_BASIC_INFO_COUNT;
+  int result = host_info(mach_host_self(),
+                         HOST_BASIC_INFO,
+                         reinterpret_cast<host_info_t>(&hostinfo),
+                         &count);
+  DCHECK_EQ(HOST_BASIC_INFO_COUNT, count);
+  return (result == KERN_SUCCESS) ? hostinfo.max_mem : -1;
 #else
-  // TODO(pinkerton): figure this out for mac
   NOTIMPLEMENTED();
   return -1;
 #endif
-- 
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