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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "starboard/condition_variable.h"
#include <pthread.h>
#include "starboard/shared/pthread/is_success.h"
#include "starboard/shared/starboard/lazy_initialization_internal.h"
using starboard::shared::starboard::EnsureInitialized;
SbConditionVariableResult SbConditionVariableWait(
SbConditionVariable* condition,
SbMutex* mutex) {
if (!condition || !mutex) {
return kSbConditionVariableFailed;
}
if (!EnsureInitialized(&condition->initialized_state)) {
// The condition variable is set to SB_CONDITION_VARIABLE_INITIALIZER and
// is uninitialized, so call SbConditionVariableCreate() to initialize the
// condition variable. SbConditionVariableCreate() is responsible for
// marking the variable as initialized.
SbConditionVariableCreate(condition, mutex);
}
if (IsSuccess(pthread_cond_wait(&condition->condition, mutex))) {
return kSbConditionVariableSignaled;
}
return kSbConditionVariableFailed;
}