Quelle  MutexIDs.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef vm_MutexIDs_h
#define vm_MutexIDs_h

#include "threading/Mutex.h"

// Central definition point for mutex ordering.
//
// Mutexes can only be acquired in increasing order. This prevents the
// possibility of deadlock. Mutexes with the same order cannot be held
// at the same time.

#define FOR_EACH_MUTEX(_)               \
  _(ExecutionTracerGlobalLock, 100)     \
  _(TestMutex, 100)                     \
  _(ShellContextWatchdog, 100)          \
  _(ShellWorkerThreads, 100)            \
  _(ShellObjectMailbox, 100)            \
  _(WellKnownParserAtomsInit, 100)      \
                                        \
  _(ExecutionTracerInstanceLock, 250)   \
                                        \
  _(Sweeping, 275)                      \
                                        \
  _(GCLock, 300)                        \
                                        \
  _(GlobalHelperThreadState, 400)       \
                                        \
  _(WasmCodeProtected, 450)             \
                                        \
  _(WasmInitBuiltinThunks, 451)         \
  _(StringsCache, 500)                  \
  _(FutexThread, 500)                   \
  _(ProtectedRegionTree, 500)           \
  _(ShellOffThreadState, 500)           \
  _(ShellStreamCacheEntryState, 500)    \
  _(SimulatorCacheLock, 500)            \
  _(Arm64SimulatorLock, 500)            \
  _(JitSpewGraphOutput, 500)            \
  _(PerfSpewer, 500)                    \
  _(CacheIRSpewer, 500)                 \
  _(DateTimeInfoMutex, 500)             \
  _(ProcessExecutableRegion, 500)       \
  _(BufferStreamState, 500)             \
  _(SharedArrayGrow, 500)               \
  _(SharedImmutableScriptData, 500)     \
  _(WasmTypeIdSet, 500)                 \
  _(WasmComponentCanonicalTypeSet, 500) \
  _(WasmCodeProfilingLabels, 500)       \
  _(WasmCodeBytesEnd, 500)              \
  _(WasmStreamEnd, 500)                 \
  _(WasmStreamStatus, 500)              \
  _(WasmRuntimeInstances, 500)          \
  _(WasmSignalInstallState, 500)        \
  _(MemoryTracker, 500)                 \
  _(StencilCache, 500)                  \
  _(SourceCompression, 500)             \
  _(GCDelayedMarkingLock, 500)          \
  _(BufferAllocator, 500)               \
  _(GeckoProfilerScriptSources, 500)    \
  _(GCLightLock, 500)                   \
                                        \
  _(SharedImmutableStringsCache, 600)   \
  _(IrregexpLazyStatic, 600)            \
  _(ThreadId, 600)                      \
  _(WasmCodeBlockMap, 600)              \
  _(WasmInliningBudget, 600)            \
  _(VTuneLock, 600)                     \
  _(ShellTelemetry, 600)                \
  _(ShellUseCounters, 600)

namespace js {
namespace mutexid {

#define DEFINE_MUTEX_ID(name, order) static const MutexId name{#name, order};
FOR_EACH_MUTEX(DEFINE_MUTEX_ID)
#undef DEFINE_MUTEX_ID

}  // namespace mutexid
}  // namespace js

#endif  // vm_MutexIDs_h