1 files changed, 40 insertions, 0 deletions
diff --git a/mozglue/misc/ConditionVariable_noop.cpp b/mozglue/misc/ConditionVariable_noop.cpp
new file mode 100644
index 0000000000..4b28861650
--- /dev/null
+++ b/mozglue/misc/ConditionVariable_noop.cpp
@@ -0,0 +1,40 @@
+/* -*- 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/. */
+
+#include "mozilla/Assertions.h"
+
+#include "mozilla/PlatformConditionVariable.h"
+#include "mozilla/PlatformMutex.h"
+#include "MutexPlatformData_noop.h"
+
+using mozilla::TimeDuration;
+
+struct mozilla::detail::ConditionVariableImpl::PlatformData {};
+
+mozilla::detail::ConditionVariableImpl::ConditionVariableImpl() {}
+
+mozilla::detail::ConditionVariableImpl::~ConditionVariableImpl() {}
+
+void mozilla::detail::ConditionVariableImpl::notify_one() {}
+
+void mozilla::detail::ConditionVariableImpl::notify_all() {}
+
+void mozilla::detail::ConditionVariableImpl::wait(MutexImpl&) {
+  // On WASI, there are no threads, so we never wait (either the condvar must
+  // be ready or there is a deadlock).
+}
+
+mozilla::CVStatus mozilla::detail::ConditionVariableImpl::wait_for(
+    MutexImpl&, const TimeDuration&) {
+  return CVStatus::NoTimeout;
+}
+
+mozilla::detail::ConditionVariableImpl::PlatformData*
+mozilla::detail::ConditionVariableImpl::platformData() {
+  static_assert(sizeof platformData_ >= sizeof(PlatformData),
+                "platformData_ is too small");
+  return reinterpret_cast<PlatformData*>(platformData_);
+}