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-rw-r--r--js/src/vm/MutexIDs.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/js/src/vm/MutexIDs.h b/js/src/vm/MutexIDs.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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(_) \
+ _(TestMutex, 100) \
+ _(ShellContextWatchdog, 100) \
+ _(ShellWorkerThreads, 100) \
+ _(ShellObjectMailbox, 100) \
+ _(WellKnownParserAtomsInit, 100) \
+ \
+ _(WasmInitBuiltinThunks, 250) \
+ _(WasmLazyStubsTier1, 250) \
+ _(WasmLazyStubsTier2, 251) \
+ \
+ _(StoreBuffer, 275) \
+ \
+ _(GCLock, 300) \
+ \
+ _(GlobalHelperThreadState, 400) \
+ \
+ _(StringsCache, 500) \
+ _(FutexThread, 500) \
+ _(GeckoProfilerStrings, 500) \
+ _(ProtectedRegionTree, 500) \
+ _(ShellOffThreadState, 500) \
+ _(ShellStreamCacheEntryState, 500) \
+ _(SimulatorCacheLock, 500) \
+ _(Arm64SimulatorLock, 500) \
+ _(IonSpewer, 500) \
+ _(PerfSpewer, 500) \
+ _(CacheIRSpewer, 500) \
+ _(DateTimeInfoMutex, 500) \
+ _(ProcessExecutableRegion, 500) \
+ _(BufferStreamState, 500) \
+ _(SharedArrayGrow, 500) \
+ _(SharedImmutableScriptData, 500) \
+ _(WasmTypeIdSet, 500) \
+ _(WasmCodeProfilingLabels, 500) \
+ _(WasmCodeBytesEnd, 500) \
+ _(WasmStreamEnd, 500) \
+ _(WasmStreamStatus, 500) \
+ _(WasmRuntimeInstances, 500) \
+ _(WasmSignalInstallState, 500) \
+ _(WasmHugeMemoryEnabled, 500) \
+ _(MemoryTracker, 500) \
+ _(StencilCache, 500) \
+ _(SourceCompression, 500) \
+ _(GCDelayedMarkingLock, 500) \
+ \
+ _(SharedImmutableStringsCache, 600) \
+ _(IrregexpLazyStatic, 600) \
+ _(ThreadId, 600) \
+ _(WasmCodeSegmentMap, 600) \
+ _(VTuneLock, 600) \
+ _(ShellTelemetry, 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