1 files changed, 35 insertions, 2 deletions
diff --git a/src/library.js b/src/library.js
index a288b739..848a2571 100644
--- a/src/library.js
+++ b/src/library.js
@@ -3670,6 +3670,17 @@ LibraryManager.library = {
 
   abs: 'Math.abs',
   labs: 'Math.abs',
+#if USE_TYPED_ARRAYS == 2
+  llabs__deps: [function() { Types.preciseI64MathUsed = 1 }],
+  llabs: function(lo, hi) {
+    i64Math.abs(lo, hi);
+    {{{ makeStructuralReturn([makeGetTempDouble(0, 'i32'), makeGetTempDouble(1, 'i32')]) }}};
+  },
+#else
+  llabs: function(lo, hi) {
+    throw 'unsupported llabs';
+  },
+#endif
 
   exit__deps: ['_exit'],
   exit: function(status) {
@@ -5507,6 +5518,14 @@ LibraryManager.library = {
       return -a;
   },
   copysignf: 'copysign',
+  __signbit__deps: ['copysign'],
+  __signbit: function(x) {
+    // We implement using copysign so that we get support
+    // for negative zero (once copysign supports that).
+    return _copysign(1.0, x) < 0;
+  },
+  __signbitf: '__signbit',
+  __signbitd: '__signbit',
   hypot: function(a, b) {
      return Math.sqrt(a*a + b*b);
   },
@@ -6703,6 +6722,13 @@ LibraryManager.library = {
   },
 
   // ==========================================================================
+  // sched.h (stubs only - no thread support yet!)
+  // ==========================================================================
+  sched_yield: function() {
+    return 0;
+  },
+
+  // ==========================================================================
   // pthread.h (stubs for mutexes only - no thread support yet!)
   // ==========================================================================
 
@@ -6718,8 +6744,15 @@ LibraryManager.library = {
   },
   pthread_cond_init: function() {},
   pthread_cond_destroy: function() {},
-  pthread_cond_broadcast: function() {},
-  pthread_cond_wait: function() {},
+  pthread_cond_broadcast: function() {
+    return 0;
+  },
+  pthread_cond_wait: function() {
+    return 0;
+  },
+  pthread_cond_timedwait: function() {
+    return 0;
+  },
   pthread_self: function() {
     //FIXME: assumes only a single thread
     return 0;