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 *
 *  this function is threadsafe and can be called by different thread
 *  \return error info
 */
const char *MXGetLastError();

//-------------------------------------
// Part 0: Global State setups
//-------------------------------------
/*!
 * \brief Seed the global random number generators in mxnet.
 * \param seed the random number seed.
 * \return 0 when success, -1 when failure happens.
 */
int MXRandomSeed(int seed);
/*!
 * \brief Notify the engine about a shutdown,
 *  This can help engine to print less messages into display.
 *
 *  User do not have to call this function.
 * \return 0 when success, -1 when failure happens.

mxnet.i  view on Meta::CPAN

/**
 * \brief return whether or not this process is a scheduler node.
 * \param ret 1 for yes, 0 for no
 * \return 0 when success, -1 when failure happens
 */
int MXKVStoreIsSchedulerNode(int *out);

/**
 * \brief global barrier among all worker machines
 *
 * \param handle handle to the KVStore
 * \return 0 when success, -1 when failure happens
 */
int MXKVStoreBarrier(KVStoreHandle handle);

/**
 * \brief whether to do barrier when finalize
 *
 * \param handle handle to the KVStore