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//=-- lsan_thread.h -------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of LeakSanitizer.
// Thread registry for standalone LSan.
//
//===----------------------------------------------------------------------===//
#ifndef LSAN_THREAD_H
#define LSAN_THREAD_H
#include "sanitizer_common/sanitizer_thread_arg_retval.h"
#include "sanitizer_common/sanitizer_thread_registry.h"
namespace __lsan {
class ThreadContextLsanBase : public ThreadContextBase {
public:
explicit ThreadContextLsanBase(int tid);
void OnStarted(void *arg) override;
void OnFinished() override;
uptr stack_begin() { return stack_begin_; }
uptr stack_end() { return stack_end_; }
uptr cache_begin() { return cache_begin_; }
uptr cache_end() { return cache_end_; }
// The argument is passed on to the subclass's OnStarted member function.
static void ThreadStart(u32 tid, tid_t os_id, ThreadType thread_type,
void *onstarted_arg);
protected:
~ThreadContextLsanBase() {}
uptr stack_begin_ = 0;
uptr stack_end_ = 0;
uptr cache_begin_ = 0;
uptr cache_end_ = 0;
};
// This subclass of ThreadContextLsanBase is declared in an OS-specific header.
class ThreadContext;
void InitializeThreads();
void InitializeMainThread();
ThreadRegistry *GetLsanThreadRegistryLocked();
ThreadArgRetval &GetThreadArgRetval();
u32 ThreadCreate(u32 tid, bool detached, void *arg = nullptr);
void ThreadFinish();
ThreadContextLsanBase *GetCurrentThread();
inline u32 GetCurrentThreadId() {
ThreadContextLsanBase *ctx = GetCurrentThread();
return ctx ? ctx->tid : kInvalidTid;
}
void SetCurrentThread(ThreadContextLsanBase *tctx);
void EnsureMainThreadIDIsCorrect();
} // namespace __lsan
#endif // LSAN_THREAD_H
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