- Fix for issue 25950 (add registration of a thread exit callback)

runtime/vm/os_linux.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "vm/os.h"
 
 #include <errno.h>  // NOLINT
@@ skipping 22 matching lines @@
 
 #ifndef PRODUCT
 
 DEFINE_FLAG(bool, generate_perf_events_symbols, false,
     "Generate events symbols for profiling with perf");
 
 // Linux CodeObservers.
 class PerfCodeObserver : public CodeObserver {
  public:
   PerfCodeObserver() : out_file_(NULL) {
-    Dart_FileOpenCallback file_open = Isolate::file_open_callback();
+    Dart_FileOpenCallback file_open = Dart::file_open_callback();
     if (file_open == NULL) {
       return;
     }
     intptr_t pid = getpid();
     char* filename = OS::SCreate(NULL, "/tmp/perf-%" Pd ".map", pid);
     out_file_ = (*file_open)(filename, true);
     free(filename);
   }
 
   ~PerfCodeObserver() {
-    Dart_FileCloseCallback file_close = Isolate::file_close_callback();
+    Dart_FileCloseCallback file_close = Dart::file_close_callback();
     if ((file_close == NULL) || (out_file_ == NULL)) {
       return;
     }
     (*file_close)(out_file_);
   }
 
   virtual bool IsActive() const {
     return FLAG_generate_perf_events_symbols && (out_file_ != NULL);
   }
 
   virtual void Notify(const char* name,
                       uword base,
                       uword prologue_offset,
                       uword size,
                       bool optimized) {
-    Dart_FileWriteCallback file_write = Isolate::file_write_callback();
+    Dart_FileWriteCallback file_write = Dart::file_write_callback();
     if ((file_write == NULL) || (out_file_ == NULL)) {
       return;
     }
     const char* marker = optimized ? "*" : "";
     char* buffer = OS::SCreate(Thread::Current()->zone(),
         "%" Px " %" Px " %s%s\n", base, size, marker, name);
     {
       MutexLocker ml(CodeObservers::mutex());
       (*file_write)(buffer, strlen(buffer), out_file_);
     }
@@ skipping 324 matching lines @@
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)