42175cb0d7
Summary: This is required for standalone LSan to work with libdispatch worker threads, and is a slimmed down version of the functionality provided for ASan in asan_mac.cc. Re-commit of r305695 with use_stacks=0 to get around a racy lingering pointer. Reviewers: alekseyshl, kubamracek, glider, kcc Subscribers: mgorny, llvm-commits Differential Revision: https://reviews.llvm.org/D34247 llvm-svn: 305732
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
//=-- lsan_thread.h -------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of LeakSanitizer.
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// Thread registry for standalone LSan.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LSAN_THREAD_H
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#define LSAN_THREAD_H
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#include "sanitizer_common/sanitizer_thread_registry.h"
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namespace __sanitizer {
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struct DTLS;
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}
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namespace __lsan {
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class ThreadContext : public ThreadContextBase {
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public:
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explicit ThreadContext(int tid);
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void OnStarted(void *arg) override;
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void OnFinished() override;
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uptr stack_begin() { return stack_begin_; }
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uptr stack_end() { return stack_end_; }
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uptr tls_begin() { return tls_begin_; }
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uptr tls_end() { return tls_end_; }
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uptr cache_begin() { return cache_begin_; }
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uptr cache_end() { return cache_end_; }
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DTLS *dtls() { return dtls_; }
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private:
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uptr stack_begin_, stack_end_,
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cache_begin_, cache_end_,
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tls_begin_, tls_end_;
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DTLS *dtls_;
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};
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void InitializeThreadRegistry();
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void ThreadStart(u32 tid, tid_t os_id, bool workerthread = false);
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void ThreadFinish();
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u32 ThreadCreate(u32 tid, uptr uid, bool detached);
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void ThreadJoin(u32 tid);
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u32 ThreadTid(uptr uid);
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u32 GetCurrentThread();
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void SetCurrentThread(u32 tid);
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ThreadContext *CurrentThreadContext();
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void EnsureMainThreadIDIsCorrect();
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} // namespace __lsan
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#endif // LSAN_THREAD_H
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