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#ifndef _WIN32
#include "lldb/Host/ProcessRunLock.h"
namespace lldb_private {
ProcessRunLock::ProcessRunLock()
: m_running(false)
{
int err = ::pthread_rwlock_init(&m_rwlock, NULL); (void) err;
//#if LLDB_CONFIGURATION_DEBUG
// assert(err == 0);
//#endif
}
ProcessRunLock::~ProcessRunLock()
{
int err = ::pthread_rwlock_destroy(&m_rwlock); (void) err;
//#if LLDB_CONFIGURATION_DEBUG
// assert(err == 0);
//#endif
}
bool ProcessRunLock::ReadTryLock()
{
::pthread_rwlock_rdlock(&m_rwlock);
if (m_running == false)
{
return true;
}
::pthread_rwlock_unlock(&m_rwlock);
return false;
}
bool ProcessRunLock::ReadUnlock()
{
return ::pthread_rwlock_unlock(&m_rwlock) == 0;
}
bool ProcessRunLock::SetRunning()
{
::pthread_rwlock_wrlock(&m_rwlock);
m_running = true;
::pthread_rwlock_unlock(&m_rwlock);
return true;
}
bool ProcessRunLock::TrySetRunning()
{
bool r;
if (::pthread_rwlock_trywrlock(&m_rwlock) == 0)
{
r = !m_running;
m_running = true;
::pthread_rwlock_unlock(&m_rwlock);
return r;
}
return false;
}
bool ProcessRunLock::SetStopped()
{
::pthread_rwlock_wrlock(&m_rwlock);
m_running = false;
::pthread_rwlock_unlock(&m_rwlock);
return true;
}
}
#endif
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