xref: /freebsd/contrib/llvm-project/compiler-rt/lib/lsan/lsan_posix.h (revision 02e9120893770924227138ba49df1edb3896112a)
1 //=-- lsan_posix.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 // Standalone LSan RTL code common to POSIX-like systems.
11 //
12 //===---------------------------------------------------------------------===//
13 
14 #ifndef LSAN_POSIX_H
15 #define LSAN_POSIX_H
16 
17 #include "lsan_thread.h"
18 #include "sanitizer_common/sanitizer_platform.h"
19 
20 #if !SANITIZER_POSIX
21 #error "lsan_posix.h is used only on POSIX-like systems (SANITIZER_POSIX)"
22 #endif
23 
24 namespace __sanitizer {
25 struct DTLS;
26 }
27 
28 namespace __lsan {
29 
30 class ThreadContext final : public ThreadContextLsanBase {
31  public:
32   explicit ThreadContext(int tid);
33   void OnStarted(void *arg) override;
34   uptr tls_begin() { return tls_begin_; }
35   uptr tls_end() { return tls_end_; }
36   DTLS *dtls() { return dtls_; }
37 
38  private:
39   uptr tls_begin_ = 0;
40   uptr tls_end_ = 0;
41   DTLS *dtls_ = nullptr;
42 };
43 
44 void ThreadStart(u32 tid, tid_t os_id,
45                  ThreadType thread_type = ThreadType::Regular);
46 
47 }  // namespace __lsan
48 
49 #endif  // LSAN_POSIX_H
50