1 files changed, 45 insertions, 0 deletions
diff --git a/src/library.js b/src/library.js
index faa86c68..75010afb 100644
--- a/src/library.js
+++ b/src/library.js
@@ -5372,6 +5372,21 @@ LibraryManager.library = {
   },
   __01getrlimit64_: 'getrlimit',
 
+  // TODO: Implement for real. We just do time used, and no useful data
+  __rusage_struct_layout: Runtime.generateStructInfo(null, '%struct.rusage'),
+  getrusage__deps: ['__rusage_struct_layout'],
+  getrusage: function(resource, rlp) {
+    // %struct.timeval = type { i32, i32 }
+    var timeval = Runtime.calculateStructAlignment({ fields: ['i32', 'i32'] });
+
+    // int getrusage(int resource, struct rusage *rlp);
+    {{{ makeSetValue('rlp', '___rusage_struct_layout.ru_utime+timeval[0]', '1', 'i32') }}}
+    {{{ makeSetValue('rlp', '___rusage_struct_layout.ru_utime+timeval[1]', '2', 'i32') }}}
+    {{{ makeSetValue('rlp', '___rusage_struct_layout.ru_stime+timeval[0]', '3', 'i32') }}}
+    {{{ makeSetValue('rlp', '___rusage_struct_layout.ru_stime+timeval[1]', '4', 'i32') }}}
+    return 0;
+  },
+
   // ==========================================================================
   // pthread.h (stubs for mutexes only - no thread support yet!)
   // ==========================================================================
@@ -5417,6 +5432,36 @@ LibraryManager.library = {
   EMSCRIPTEN_COMMENT__inline: function(param) {
     param = stripCorrections(param);
     return '// ' + Variables.globals[param].value.text.replace('\\00', '') + '   ';
+  },
+
+  $Profiling: {
+    max_: 0,
+    times: null,
+    invalid: 0,
+    dump: function() {
+      if (Profiling.invalid) {
+        print('Invalid # of calls to Profiling begin and end!');
+        return;
+      }
+      print('Profiling data:')
+      for (var i = 0; i < Profiling.max_; i++) {
+        print('Block ' + i + ': ' + Profiling.times[i]);
+      }
+    }
+  },
+  EMSCRIPTEN_PROFILE_INIT__deps: ['$Profiling'],
+  EMSCRIPTEN_PROFILE_INIT: function(max_) {
+    Profiling.max_ = max_;
+    Profiling.times = new Array(max_);
+    for (var i = 0; i < max_; i++) Profiling.times[i] = 0;
+  },
+  EMSCRIPTEN_PROFILE_BEGIN__inline: function(id) {
+    return 'Profiling.times[' + id + '] -= Date.now();'
+         + 'Profiling.invalid++;'
+  },
+  EMSCRIPTEN_PROFILE_END__inline: function(id) {
+    return 'Profiling.times[' + id + '] += Date.now();'
+         + 'Profiling.invalid--;'
   }
 };