- Write the coverage data to a file instead of printing to stdout.

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 111 matching lines @@
 };
 
 
 class PerfCodeObserver : public CodeObserver {
  public:
   PerfCodeObserver() {
     Dart_FileOpenCallback file_open = Isolate::file_open_callback();
     if (file_open == NULL) {
       return;
     }
-    const char* format = "/tmp/perf-%ld.map";
+    const char* format = "/tmp/perf-%"Pd".map";
     intptr_t pid = getpid();
     intptr_t len = OS::SNPrint(NULL, 0, format, pid);
-    char* filename = new char[len + 1];
+    char* filename = Isolate::Current()->current_zone()->Alloc<char>(len + 1);
     OS::SNPrint(filename, len + 1, format, pid);
     out_file_ = (*file_open)(filename, true);
   }
 
   ~PerfCodeObserver() {
     Dart_FileCloseCallback file_close = Isolate::file_close_callback();
     if (file_close == NULL) {
       return;
     }
     ASSERT(out_file_ != NULL);
@@ skipping 120 matching lines @@
  private:
   DISALLOW_COPY_AND_ASSIGN(GdbCodeObserver);
 };
 
 
 const char* OS::Name() {
   return "linux";
 }
 
 
+intptr_t OS::ProcessId() {
+  return static_cast<intptr_t>(getpid());
+}
+
+
 static bool LocalTime(int64_t seconds_since_epoch, tm* tm_result) {
   time_t seconds = static_cast<time_t>(seconds_since_epoch);
   if (seconds != seconds_since_epoch) return false;
   struct tm* error_code = localtime_r(&seconds, tm_result);
   return error_code != NULL;
 }
 
 
 const char* OS::GetTimeZoneName(int64_t seconds_since_epoch) {
   tm decomposed;
@@ skipping 232 matching lines @@
 }
 
 
 void OS::Exit(int code) {
   exit(code);
 }
 
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)