1/*
2 * Copyright (C) 2017-2018 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/Assertions.h>
29#include <wtf/MainThread.h>
30#include <wtf/ProcessID.h>
31#include <wtf/text/StringConcatenate.h>
32
33#define SLEEP_THREAD_FOR_DEBUGGER() \
34do { \
35 do { \
36 sleep(1); \
37 if (WTFIsDebuggerAttached()) \
38 break; \
39 } while (1); \
40 WTFReportError(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, "Sleeping thread for debugger; attach to process (PID: %d) to unsleep the thread.", getCurrentProcessID()); \
41 WTFBreakpointTrap(); \
42} while (0)
43
44namespace WTF {
45
46template<typename StringType>
47const char* debugString(StringType string)
48{
49 return debugString(string, "");
50}
51
52template<typename... StringTypes>
53const char* debugString(StringTypes... strings)
54{
55 String result = tryMakeString(strings...);
56 if (!result)
57 CRASH();
58
59 auto cString = result.utf8();
60 const char* cStringData = cString.data();
61
62 callOnMainThread([cString = WTFMove(cString)] {
63 });
64
65 return cStringData;
66}
67
68} // namespace WTF
69
70using WTF::debugString;
71