Added labelled thread names to help with some debugging activity. Right now,...

src/platform-freebsd.cc

Index: src/platform-freebsd.cc
===================================================================
--- src/platform-freebsd.cc	(revision 6139)
+++ src/platform-freebsd.cc	(working copy)
@@ -411,9 +411,15 @@
 
 
 Thread::Thread() : ThreadHandle(ThreadHandle::INVALID) {
+  set_name("v8:<unknown>");
 }
 
 
+Thread::Thread(const char* name) : ThreadHandle(ThreadHandle::INVALID) {
+  set_names(name);
+}
+
+
 Thread::~Thread() {
 }
 
@@ -430,6 +436,12 @@
 }
 
 
+void Thread::set_name(const char* name) {
+  strncpy(name_, name, sizeof(name_));
+  name_[sizeof(name_) - 1] = '\0';
+}
+
+
 void Thread::Start() {
   pthread_create(&thread_handle_data()->thread_, NULL, ThreadEntry, this);
   ASSERT(IsValid());