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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
#include "runtime.h"
void
runtime_initlock(Lock *l)
{
if(pthread_mutex_init(&l->mutex, NULL) != 0)
runtime_throw("pthread_mutex_init failed");
}
void
runtime_lock(Lock *l)
{
if(pthread_mutex_lock(&l->mutex) != 0)
runtime_throw("lock failed");
}
void
runtime_unlock(Lock *l)
{
if(pthread_mutex_unlock(&l->mutex) != 0)
runtime_throw("unlock failed");
}
void
runtime_destroylock(Lock *l)
{
pthread_mutex_destroy(&l->mutex);
}
bool
runtime_trylock(Lock *l)
{
return pthread_mutex_trylock(&l->mutex) == 0;
}
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