base/debug/debugger.cc

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/debug/debugger.h"

#include "base/clang_profiling_buildflags.h"
#include "base/logging.h"
#include "base/threading/platform_thread.h"
#include "build/build_config.h"

#if BUILDFLAG(CLANG_PROFILING)
#include "base/test/clang_profiling.h"
#endif

namespace base {
namespace debug {

static bool is_debug_ui_suppressed = false;

bool WaitForDebugger(int wait_seconds, bool silent) {
#if BUILDFLAG(IS_ANDROID)
  // The pid from which we know which process to attach to are not output by
  // android ddms, so we have to print it out explicitly.
  DLOG(INFO) << "DebugUtil::WaitForDebugger(pid=" << static_cast<int>(getpid())
             << ")";
#endif
  for (int i = 0; i < wait_seconds * 10; ++i) {
    if (BeingDebugged()) {
      if (!silent)
        BreakDebugger();
      return true;
    }
    PlatformThread::Sleep(Milliseconds(100));
  }
  return false;
}

void BreakDebugger() {
#if BUILDFLAG(CLANG_PROFILING)
  WriteClangProfilingProfile();
#endif

  BreakDebuggerAsyncSafe();
}

void SetSuppressDebugUI(bool suppress) {
  is_debug_ui_suppressed = suppress;
}

bool IsDebugUISuppressed() {
  return is_debug_ui_suppressed;
}

}  // namespace debug
}  // namespace base