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usr / src / contrib / llvm-project / compiler-rt / lib / tsan / rtl /

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📄 tsan.syms.extra(573 B)
📄 tsan_clock.cpp(20.28 KB)
📄 tsan_clock.h(9.25 KB)
📄 tsan_debugging.cpp(9.28 KB)
📄 tsan_defs.h(4.68 KB)
📄 tsan_dense_alloc.h(3.97 KB)
📄 tsan_dispatch_defs.h(2.18 KB)
📄 tsan_external.cpp(3.97 KB)
📄 tsan_fd.cpp(9.02 KB)
📄 tsan_fd.h(2.39 KB)
📄 tsan_flags.cpp(3.47 KB)
📄 tsan_flags.h(1.09 KB)
📄 tsan_flags.inc(4.29 KB)
📄 tsan_ignoreset.cpp(1.04 KB)
📄 tsan_ignoreset.h(958 B)
📄 tsan_interceptors.h(2.18 KB)
📄 tsan_interceptors_libdispatch.cpp(31.46 KB)
📄 tsan_interceptors_mac.cpp(20.28 KB)
📄 tsan_interceptors_mach_vm.cpp(2.02 KB)
📄 tsan_interceptors_posix.cpp(89.69 KB)
📄 tsan_interface.cpp(4.35 KB)
📄 tsan_interface.h(17.5 KB)
📄 tsan_interface_ann.cpp(16.46 KB)
📄 tsan_interface_ann.h(1.02 KB)
📄 tsan_interface_atomic.cpp(25.88 KB)
📄 tsan_interface_inl.h(3.53 KB)
📄 tsan_interface_java.cpp(7.89 KB)
📄 tsan_interface_java.h(4.19 KB)
📄 tsan_malloc_mac.cpp(3.45 KB)
📄 tsan_md5.cpp(6.9 KB)
📄 tsan_mman.cpp(12.08 KB)
📄 tsan_mman.h(2.61 KB)
📄 tsan_mutex.cpp(7.88 KB)
📄 tsan_mutex.h(1.92 KB)
📄 tsan_mutexset.cpp(2.01 KB)
📄 tsan_mutexset.h(1.88 KB)
📄 tsan_new_delete.cpp(6.72 KB)
📄 tsan_platform.h(33.68 KB)
📄 tsan_platform_linux.cpp(16.09 KB)
📄 tsan_platform_mac.cpp(11.81 KB)
📄 tsan_platform_posix.cpp(5.72 KB)
📄 tsan_platform_windows.cpp(922 B)
📄 tsan_ppc_regs.h(1.35 KB)
📄 tsan_preinit.cpp(1021 B)
📄 tsan_report.cpp(15.63 KB)
📄 tsan_report.h(2.79 KB)
📄 tsan_rtl.cpp(34.92 KB)
📄 tsan_rtl.h(28.13 KB)
📄 tsan_rtl_aarch64.S(5.63 KB)
📄 tsan_rtl_amd64.S(8.71 KB)
📄 tsan_rtl_mips64.S(3.69 KB)
📄 tsan_rtl_mutex.cpp(18.71 KB)
📄 tsan_rtl_ppc64.S(8.18 KB)
📄 tsan_rtl_proc.cpp(1.66 KB)
📄 tsan_rtl_report.cpp(23.51 KB)
📄 tsan_rtl_thread.cpp(13.82 KB)
📄 tsan_stack_trace.cpp(1.91 KB)
📄 tsan_stack_trace.h(1.27 KB)
📄 tsan_stat.cpp(12.23 KB)
📄 tsan_stat.h(4.22 KB)
📄 tsan_suppressions.cpp(5.42 KB)
📄 tsan_suppressions.h(1.32 KB)
📄 tsan_symbolize.cpp(3.85 KB)
📄 tsan_symbolize.h(897 B)
📄 tsan_sync.cpp(8.44 KB)
📄 tsan_sync.h(4.88 KB)
📄 tsan_trace.h(1.89 KB)
📄 tsan_update_shadow_word_inl.h(2.22 KB)

Editing: tsan_mutexset.cpp

//===-- tsan_mutexset.cpp -------------------------------------------------===//
//
// 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 ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "tsan_mutexset.h"
#include "tsan_rtl.h"

namespace __tsan {

const uptr MutexSet::kMaxSize;

MutexSet::MutexSet() {
  size_ = 0;
  internal_memset(&descs_, 0, sizeof(descs_));
}

void MutexSet::Add(u64 id, bool write, u64 epoch) {
  // Look up existing mutex with the same id.
  for (uptr i = 0; i < size_; i++) {
    if (descs_[i].id == id) {
      descs_[i].count++;
      descs_[i].epoch = epoch;
      return;
    }
  }
  // On overflow, find the oldest mutex and drop it.
  if (size_ == kMaxSize) {
    u64 minepoch = (u64)-1;
    u64 mini = (u64)-1;
    for (uptr i = 0; i < size_; i++) {
      if (descs_[i].epoch < minepoch) {
        minepoch = descs_[i].epoch;
        mini = i;
      }
    }
    RemovePos(mini);
    CHECK_EQ(size_, kMaxSize - 1);
  }
  // Add new mutex descriptor.
  descs_[size_].id = id;
  descs_[size_].write = write;
  descs_[size_].epoch = epoch;
  descs_[size_].count = 1;
  size_++;
}

void MutexSet::Del(u64 id, bool write) {
  for (uptr i = 0; i < size_; i++) {
    if (descs_[i].id == id) {
      if (--descs_[i].count == 0)
        RemovePos(i);
      return;
    }
  }
}

void MutexSet::Remove(u64 id) {
  for (uptr i = 0; i < size_; i++) {
    if (descs_[i].id == id) {
      RemovePos(i);
      return;
    }
  }
}

void MutexSet::RemovePos(uptr i) {
  CHECK_LT(i, size_);
  descs_[i] = descs_[size_ - 1];
  size_--;
}

uptr MutexSet::Size() const {
  return size_;
}

MutexSet::Desc MutexSet::Get(uptr i) const {
  CHECK_LT(i, size_);
  return descs_[i];
}

}  // namespace __tsan

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Editing: tsan_mutexset.cpp

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