Merge master.

[dcpomatic.git] / src / lib / cross.cc

diff --git a/src/lib/cross.cc b/src/lib/cross.cc
index f232f1779dabc432445c5f1a6d44240f43c611bd..ffd44eb02810cd0107145e8a3e5eaeedb917509f 100644 (file)
--- a/src/lib/cross.cc
+++ b/src/lib/cross.cc
@@ -17,6 +17,8 @@
 
 */
 
+#include <fstream>
+#include <boost/algorithm/string.hpp>
 #include "cross.h"
 #ifdef DCPOMATIC_POSIX
 #include <unistd.h>
@@ -24,6 +26,13 @@
 #ifdef DCPOMATIC_WINDOWS
 #include "windows.h"
 #endif
+#ifdef DCPOMATIC_OSX
+#include <sys/sysctl.h>
+#endif
+
+using std::pair;
+using std::ifstream;
+using std::string;
 
 void
 dcpomatic_sleep (int s)
@@ -35,3 +44,40 @@ dcpomatic_sleep (int s)
        Sleep (s * 1000);
 #endif
 }
+
+/** @return A pair containing CPU model name and the number of processors */
+pair<string, int>
+cpu_info ()
+{
+       pair<string, int> info;
+       info.second = 0;
+       
+#ifdef DCPOMATIC_LINUX
+       ifstream f ("/proc/cpuinfo");
+       while (f.good ()) {
+               string l;
+               getline (f, l);
+               if (boost::algorithm::starts_with (l, "model name")) {
+                       string::size_type const c = l.find (':');
+                       if (c != string::npos) {
+                               info.first = l.substr (c + 2);
+                       }
+               } else if (boost::algorithm::starts_with (l, "processor")) {
+                       ++info.second;
+               }
+       }
+#endif
+
+#ifdef DCPOMATIC_OSX
+       size_t N = sizeof (info.second);
+       sysctlbyname ("hw.ncpu", &info.second, &N, 0, 0);
+       char buffer[64];
+       N = sizeof (buffer);
+       if (sysctlbyname ("machdep.cpu.brand_string", buffer, &N, 0, 0) == 0) {
+               info.first = buffer;
+        }
+#endif         
+
+       return info;
+}
+