Revised CL for customisable logging (replacing printfs).

runtime/bin/dbg_connection_macos.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 <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/event.h>
 #include <unistd.h>
 
 #include "bin/dartutils.h"
 #include "bin/dbg_connection.h"
 #include "bin/fdutils.h"
+#include "bin/log.h"
 #include "bin/socket.h"
 #include "platform/thread.h"
 #include "platform/utils.h"
 
 
 #define INVALID_FD -1
 
 int DebuggerConnectionImpl::kqueue_fd_ = INVALID_FD;
 int DebuggerConnectionImpl::wakeup_fds_[2] = {INVALID_FD, INVALID_FD};
 
@@ skipping 55 matching lines @@
     EV_SET(&ev_add, fd, EVFILT_READ, EV_ADD, 0, 0, NULL);
     int status =
         TEMP_FAILURE_RETRY(kevent(kqueue_fd_, &ev_add, 1, NULL, 0, NULL));
     if (status == -1) {
       FATAL1("Failed adding debugger socket to kqueue: %s\n", strerror(errno));
     }
     */
   } else if (ident == wakeup_fds_[0]) {
     Message msg;
     if (ReceiveMessage(&msg)) {
-      printf("Received sync message id %d.\n", msg.msg_id);
+      Log::Print("Received sync message id %d.\n", msg.msg_id);
     }
   } else {
-    printf("unexpected: receiving debugger connection event.\n");
+    Log::Print("unexpected: receiving debugger connection event.\n");
     UNIMPLEMENTED();
   }
 }
 
 
 void DebuggerConnectionImpl::Handler(uword args) {
   static const intptr_t kMaxEvents = 4;
   struct kevent events[kMaxEvents];
 
   while (1) {
     // Wait indefinitely for an event.
     int result = TEMP_FAILURE_RETRY(
         kevent(kqueue_fd_, NULL, 0, events, kMaxEvents, NULL));
     if (result == -1) {
       FATAL1("kevent failed %s\n", strerror(errno));
     } else {
       ASSERT(result <= kMaxEvents);
       for (int i = 0; i < result; i++) {
         HandleEvent(&events[i]);
       }
     }
   }
-  printf("shutting down debugger thread\n");
+  Log::Print("shutting down debugger thread\n");
 }
 
 
 void DebuggerConnectionImpl::SetupPollQueue() {
   int result;
   result = TEMP_FAILURE_RETRY(pipe(wakeup_fds_));
   if (result != 0) {
     FATAL1("Pipe creation failed with error %d\n", result);
   }
   FDUtils::SetNonBlocking(wakeup_fds_[0]);
@@ skipping 22 matching lines @@
 
 void DebuggerConnectionImpl::StartHandler(int port_number) {
   ASSERT(DebuggerConnectionHandler::listener_fd_ != -1);
   SetupPollQueue();
   int result =
       dart::Thread::Start(&DebuggerConnectionImpl::Handler, 0);
   if (result != 0) {
     FATAL1("Failed to start debugger connection handler thread: %d\n", result);
   }
 }