Update to NSS 3.12.7 and NSPR 4.8.6....

nss/mozilla/nsprpub/pr/src/misc/prsystem.c

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 266 matching lines @@
 PR_IMPLEMENT(PRUint64) PR_GetPhysicalMemorySize(void)
 {
     PRUint64 bytes = 0;
 
 #if defined(LINUX) || defined(SOLARIS)
 
     long pageSize = sysconf(_SC_PAGESIZE);
     long pageCount = sysconf(_SC_PHYS_PAGES);
     bytes = (PRUint64) pageSize * pageCount;
 
+#elif defined(NETBSD)
+
+    int mib[2];
+    int rc;
+    uint64_t memSize;
+    size_t len = sizeof(memSize);
+
+    mib[0] = CTL_HW;
+    mib[1] = HW_PHYSMEM64;
+    rc = sysctl(mib, 2, &memSize, &len, NULL, 0);
+    if (-1 != rc)  {
+        bytes = memSize;
+    }
+
 #elif defined(HPUX)
 
     struct pst_static info;
     int result = pstat_getstatic(&info, sizeof(info), 1, 0);
     if (result == 1)
         bytes = (PRUint64) info.physical_memory * info.page_size;
 
 #elif defined(DARWIN)
 
     struct host_basic_info hInfo;
@@ skipping 54 matching lines @@
     }
 
 #else
 
     PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
 
 #endif
 
     return bytes;
 } /* end PR_GetPhysicalMemorySize() */