1 files changed, 76 insertions, 11 deletions

diff --git a/Source/kwsys/SystemInformation.hxx.in b/Source/kwsys/SystemInformation.hxx.in
index b6ebe6aee..8f4cb4e5a 100644
--- a/Source/kwsys/SystemInformation.hxx.in
+++ b/Source/kwsys/SystemInformation.hxx.in
@@ -24,14 +24,22 @@
 namespace @KWSYS_NAMESPACE@
 {
 
-
-// forward declare the implementation class  
+// forward declare the implementation class
 class SystemInformationImplementation;
-  
-class @KWSYS_NAMESPACE@_EXPORT SystemInformation 
-{
 
+class @KWSYS_NAMESPACE@_EXPORT SystemInformation
+{
+#if @KWSYS_USE_LONG_LONG@
+  typedef long long LongLong;
+#elif @KWSYS_USE___INT64@
+  typedef __int64 LongLong;
+#else
+# error "No Long Long"
+#endif
+  friend class SystemInformationImplementation;
+  SystemInformationImplementation* Implementation;
 public:
+
   SystemInformation ();
   ~SystemInformation ();
 
@@ -40,6 +48,7 @@ public:
   kwsys_stl::string GetTypeID();
   kwsys_stl::string GetFamilyID();
   kwsys_stl::string GetModelID();
+  kwsys_stl::string GetModelName();
   kwsys_stl::string GetSteppingCode();
   const char * GetExtendedProcessorName();
   const char * GetProcessorSerialNumber();
@@ -49,13 +58,27 @@ public:
   int GetProcessorAPICID();
   int GetProcessorCacheXSize(long int);
   bool DoesCPUSupportFeature(long int);
-  
-  const char * GetOSName();
+
+  // returns an informative general description of the cpu
+  // on this system.
+  kwsys_stl::string GetCPUDescription();
+
   const char * GetHostname();
+  kwsys_stl::string GetFullyQualifiedDomainName();
+
+  const char * GetOSName();
   const char * GetOSRelease();
   const char * GetOSVersion();
   const char * GetOSPlatform();
 
+  int GetOSIsWindows();
+  int GetOSIsLinux();
+  int GetOSIsApple();
+
+  // returns an informative general description of the os
+  // on this system.
+  kwsys_stl::string GetOSDescription();
+
   bool Is64Bits();
 
   unsigned int GetNumberOfLogicalCPU(); // per physical cpu
@@ -63,20 +86,62 @@ public:
 
   bool DoesCPUSupportCPUID();
 
+  // Retrieve id of the current running process
+  LongLong GetProcessId();
+
   // Retrieve memory information in megabyte.
   size_t GetTotalVirtualMemory();
   size_t GetAvailableVirtualMemory();
   size_t GetTotalPhysicalMemory();
-  size_t GetAvailablePhysicalMemory();  
+  size_t GetAvailablePhysicalMemory();
+
+  // returns an informative general description if the installed and
+  // available ram on this system. See the  GetHostMmeoryTotal, and
+  // Get{Host,Proc}MemoryAvailable methods for more information.
+  kwsys_stl::string GetMemoryDescription(
+        const char *hostLimitEnvVarName=NULL,
+        const char *procLimitEnvVarName=NULL);
+
+  // Retrieve amount of physical memory installed on the system in KiB
+  // units.
+  LongLong GetHostMemoryTotal();
+
+  // Get total system RAM in units of KiB available colectivley to all
+  // processes in a process group. An example of a process group
+  // are the processes comprising an mpi program which is running in
+  // parallel. The amount of memory reported may differ from the host
+  // total if a host wide resource limit is applied. Such reource limits
+  // are reported to us via an applicaiton specified environment variable.
+  LongLong GetHostMemoryAvailable(const char *hostLimitEnvVarName=NULL);
+
+  // Get total system RAM in units of KiB available to this process.
+  // This may differ from the host available if a per-process resource
+  // limit is applied. per-process memory limits are applied on unix
+  // system via rlimit api. Resource limits that are not imposed via
+  // rlimit api may be reported to us via an application specified
+  // environment variable.
+  LongLong GetProcMemoryAvailable(
+        const char *hostLimitEnvVarName=NULL,
+        const char *procLimitEnvVarName=NULL);
+
+  // Get the system RAM used by all processes on the host, in units of KiB.
+  LongLong GetHostMemoryUsed();
+
+  // Get system RAM used by this process id in units of KiB.
+  LongLong GetProcMemoryUsed();
+
+  // enable/disable stack trace signal handler. In order to
+  // produce an informative stack trace the application should
+  // be dynamically linked and compiled with debug symbols.
+  static
+  void SetStackTraceOnError(int enable);
 
   /** Run the different checks */
   void RunCPUCheck();
   void RunOSCheck();
   void RunMemoryCheck();
-private:
-  SystemInformationImplementation* Implementation;
-
 };
+
 } // namespace @KWSYS_NAMESPACE@
 
 /* Undefine temporary macros.  */