1//=-- lsan_thread.h -------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file is a part of LeakSanitizer.
10// Thread registry for standalone LSan.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LSAN_THREAD_H
15#define LSAN_THREAD_H
16
17#include "sanitizer_common/sanitizer_thread_registry.h"
18
19namespace __lsan {
20
21class ThreadContextLsanBase : public ThreadContextBase {
22 public:
23  explicit ThreadContextLsanBase(int tid);
24  void OnFinished() override;
25  uptr stack_begin() { return stack_begin_; }
26  uptr stack_end() { return stack_end_; }
27  uptr cache_begin() { return cache_begin_; }
28  uptr cache_end() { return cache_end_; }
29
30  // The argument is passed on to the subclass's OnStarted member function.
31  static void ThreadStart(u32 tid, tid_t os_id, ThreadType thread_type,
32                          void *onstarted_arg);
33
34 protected:
35  ~ThreadContextLsanBase() {}
36  uptr stack_begin_ = 0;
37  uptr stack_end_ = 0;
38  uptr cache_begin_ = 0;
39  uptr cache_end_ = 0;
40};
41
42// This subclass of ThreadContextLsanBase is declared in an OS-specific header.
43class ThreadContext;
44
45void InitializeThreadRegistry();
46void InitializeMainThread();
47
48u32 ThreadCreate(u32 tid, uptr uid, bool detached, void *arg = nullptr);
49void ThreadFinish();
50void ThreadDetach(u32 tid);
51void ThreadJoin(u32 tid);
52u32 ThreadTid(uptr uid);
53
54u32 GetCurrentThread();
55void SetCurrentThread(u32 tid);
56ThreadContext *CurrentThreadContext();
57void EnsureMainThreadIDIsCorrect();
58
59}  // namespace __lsan
60
61#endif  // LSAN_THREAD_H
62