gecko-dev/mozglue/misc/ConditionVariable_noop.cpp
Chris Fallin f062cdc9ba Bug 1701613 part 3 - Add stub thread implementation for WASI. r=jandem,wingo
WASI lacks thread support so the stub implementation for threads has been added.

Differential Revision: https://phabricator.services.mozilla.com/D110073
2021-04-08 08:02:16 +00:00

41 lines
1.4 KiB
C++

/* -*- 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_);
}