1 files changed, 32 insertions, 0 deletions
diff --git a/src/3rdparty/v8/src/platform.h b/src/3rdparty/v8/src/platform.h
index a9464de..f3ab08d 100644
--- a/src/3rdparty/v8/src/platform.h
+++ b/src/3rdparty/v8/src/platform.h
@@ -71,6 +71,24 @@ int signbit(double x);
 
 int strncasecmp(const char* s1, const char* s2, int n);
 
+inline int lrint(double flt) {
+  int intgr;
+#if defined(V8_TARGET_ARCH_IA32)
+  __asm {
+    fld flt
+    fistp intgr
+  };
+#else
+  intgr = static_cast<int>(flt + 0.5);
+  if ((intgr & 1) != 0 && intgr - flt == 0.5) {
+    // If the number is halfway between two integers, round to the even one.
+    intgr--;
+  }
+#endif
+  return intgr;
+}
+
+
 #endif  // _MSC_VER
 
 // Random is missing on both Visual Studio and MinGW.
@@ -89,7 +107,11 @@ namespace internal {
 
 // Use AtomicWord for a machine-sized pointer. It is assumed that
 // reads and writes of naturally aligned values of this type are atomic.
+#if defined(__OpenBSD__) && defined(__i386__)
+typedef Atomic32 AtomicWord;
+#else
 typedef intptr_t AtomicWord;
+#endif
 
 class Semaphore;
 class Mutex;
@@ -286,6 +308,9 @@ class OS {
   // Returns the double constant NAN
   static double nan_value();
 
+  // Support runtime detection of Cpu implementer
+  static CpuImplementer GetCpuImplementer();
+
   // Support runtime detection of VFP3 on ARM CPUs.
   static bool ArmCpuHasFeature(CpuFeature feature);
 
@@ -317,6 +342,8 @@ class OS {
   static const int kMinComplexMemCopy = 256;
 #endif  // V8_TARGET_ARCH_IA32
 
+  static int GetCurrentProcessId();
+
  private:
   static const int msPerSecond = 1000;
 
@@ -405,6 +432,11 @@ class VirtualMemory {
   // and the same size it was reserved with.
   static bool ReleaseRegion(void* base, size_t size);
 
+  // Returns true if OS performs lazy commits, i.e. the memory allocation call
+  // defers actual physical memory allocation till the first memory access.
+  // Otherwise returns false.
+  static bool HasLazyCommits();
+
  private:
   void* address_;  // Start address of the virtual memory.
   size_t size_;  // Size of the virtual memory.