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Current Path: /usr/src/contrib/llvm-project/compiler-rt/lib/scudo

usr / src / contrib / llvm-project / compiler-rt / lib / scudo /

📁 ..
📄 scudo_allocator.cpp(30.02 KB)
📄 scudo_allocator.h(4.54 KB)
📄 scudo_allocator_combined.h(2.14 KB)
📄 scudo_allocator_secondary.h(7.03 KB)
📄 scudo_crc32.cpp(893 B)
📄 scudo_crc32.h(4.74 KB)
📄 scudo_errors.cpp(2.82 KB)
📄 scudo_errors.h(1.31 KB)
📄 scudo_flags.cpp(4.25 KB)
📄 scudo_flags.h(805 B)
📄 scudo_flags.inc(2.11 KB)
📄 scudo_interface_internal.h(984 B)
📄 scudo_malloc.cpp(2.2 KB)
📄 scudo_new_delete.cpp(4.14 KB)
📄 scudo_platform.h(3.09 KB)
📄 scudo_termination.cpp(1.36 KB)
📄 scudo_tsd.h(1.67 KB)
📄 scudo_tsd_exclusive.cpp(2.17 KB)
📄 scudo_tsd_exclusive.inc(1.34 KB)
📄 scudo_tsd_shared.cpp(3.38 KB)
📄 scudo_tsd_shared.inc(1.61 KB)
📄 scudo_utils.cpp(4.89 KB)
📄 scudo_utils.h(986 B)
📁 standalone

Editing: scudo_tsd_shared.inc

//===-- scudo_tsd_shared.inc ------------------------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// Scudo shared TSD fastpath functions implementation.
///
//===----------------------------------------------------------------------===//

#ifndef SCUDO_TSD_H_
# error "This file must be included inside scudo_tsd.h."
#endif  // SCUDO_TSD_H_

#if !SCUDO_TSD_EXCLUSIVE

extern pthread_key_t PThreadKey;

#if SANITIZER_LINUX && !SANITIZER_ANDROID
__attribute__((tls_model("initial-exec")))
extern THREADLOCAL ScudoTSD *CurrentTSD;
#endif

ALWAYS_INLINE ScudoTSD* getCurrentTSD() {
#if SANITIZER_ANDROID
  return reinterpret_cast<ScudoTSD *>(*get_android_tls_ptr());
#elif SANITIZER_LINUX
  return CurrentTSD;
#else
  return reinterpret_cast<ScudoTSD *>(pthread_getspecific(PThreadKey));
#endif  // SANITIZER_ANDROID
}

ALWAYS_INLINE void initThreadMaybe(bool MinimalInit = false) {
  if (LIKELY(getCurrentTSD()))
    return;
  initThread(MinimalInit);
}

ScudoTSD *getTSDAndLockSlow(ScudoTSD *TSD);

ALWAYS_INLINE ScudoTSD *getTSDAndLock(bool *UnlockRequired) {
  ScudoTSD *TSD = getCurrentTSD();
  DCHECK(TSD && "No TSD associated with the current thread!");
  *UnlockRequired = true;
  // Try to lock the currently associated context.
  if (TSD->tryLock())
    return TSD;
  // If it failed, go the slow path.
  return getTSDAndLockSlow(TSD);
}

#endif  // !SCUDO_TSD_EXCLUSIVE

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Editing: scudo_tsd_shared.inc

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