#include "threadpool/atomic_helpers.h"
#include <stdexcept>

#ifdef USE_PTHREAD_ATOMIC_LOCK
// Print a warning if we defaulted to use pthreads for atomic operations
// This can decrease the performance of atomic operations
// We print the message here so it is only printed once
#warning using pthreads for atomic operations, this may affect performance
#endif


namespace AtomicOperations {

#ifdef USE_PTHREAD_ATOMIC_LOCK
pthread_mutex_t atomic_pthread_lock;
static pthread_mutexattr_t threadpool_global_attr;
static int create_atomic_pthread_lock()
{
    pthread_mutexattr_init( &threadpool_global_attr );
    int error = pthread_mutex_init( &atomic_pthread_lock, &threadpool_global_attr );
    if ( error != 0 )
        throw std::logic_error( "Error initializing mutex:" );
    return error;
}
int atomic_pthread_lock_initialized = create_atomic_pthread_lock();
#endif

} // AtomicOperations namespace