void *zmq_init (int app_threads_, int io_threads_, int flags_)
{
// There should be at least a single application thread managed
// by the dispatcher. There's no need for I/O threads if 0MQ is used
// only for inproc messaging
if (app_threads_ < 1 || io_threads_ < 0 ||
app_threads_ > 63 || io_threads_ > 63) {
errno = EINVAL;
return NULL;
}
#if defined ZMQ_HAVE_OPENPGM
// Unfortunately, OpenPGM doesn't support refcounted init/shutdown, thus,
// let's fail if it was initialised beforehand.
zmq_assert (!pgm_supported ());
// Init PGM transport. Ensure threading and timer are enabled. Find PGM
// protocol ID. Note that if you want to use gettimeofday and sleep for
// openPGM timing, set environment variables PGM_TIMER to "GTOD" and
// PGM_SLEEP to "USLEEP".
GError *pgm_error = NULL;
int rc = pgm_init (&pgm_error);
if (rc != TRUE) {
if (pgm_error->domain == PGM_IF_ERROR && (
pgm_error->code == PGM_IF_ERROR_INVAL ||
pgm_error->code == PGM_IF_ERROR_XDEV ||
pgm_error->code == PGM_IF_ERROR_NODEV ||
pgm_error->code == PGM_IF_ERROR_NOTUNIQ ||
pgm_error->code == PGM_IF_ERROR_ADDRFAMILY ||
pgm_error->code == PGM_IF_ERROR_FAMILY ||
pgm_error->code == PGM_IF_ERROR_NODATA ||
pgm_error->code == PGM_IF_ERROR_NONAME ||
pgm_error->code == PGM_IF_ERROR_SERVICE)) {
g_error_free (pgm_error);
errno = EINVAL;
return NULL;
}
zmq_assert (false);
}
#endif
// Create 0MQ context.
zmq::dispatcher_t *dispatcher = new (std::nothrow) zmq::dispatcher_t (
app_threads_, io_threads_, flags_);
zmq_assert (dispatcher);
return (void*) dispatcher;
}
// TODO: app_threads and flags parameters are not used anymore...
// Reflect this in the API/ABI.
void *zmq_init (int /*app_threads_*/, int io_threads_, int /*flags_*/)
{
if (io_threads_ < 0) {
errno = EINVAL;
return NULL;
}
#if defined ZMQ_HAVE_OPENPGM
// Unfortunately, OpenPGM doesn't support refcounted init/shutdown, thus,
// let's fail if it was initialised beforehand.
zmq_assert (!pgm_supported ());
// Init PGM transport. Ensure threading and timer are enabled. Find PGM
// protocol ID. Note that if you want to use gettimeofday and sleep for
// openPGM timing, set environment variables PGM_TIMER to "GTOD" and
// PGM_SLEEP to "USLEEP".
GError *pgm_error = NULL;
int rc = pgm_init (&pgm_error);
if (rc != TRUE) {
if (pgm_error->domain == PGM_IF_ERROR && (
pgm_error->code == PGM_IF_ERROR_INVAL ||
pgm_error->code == PGM_IF_ERROR_XDEV ||
pgm_error->code == PGM_IF_ERROR_NODEV ||
pgm_error->code == PGM_IF_ERROR_NOTUNIQ ||
pgm_error->code == PGM_IF_ERROR_ADDRFAMILY ||
pgm_error->code == PGM_IF_ERROR_FAMILY ||
pgm_error->code == PGM_IF_ERROR_NODATA ||
pgm_error->code == PGM_IF_ERROR_NONAME ||
pgm_error->code == PGM_IF_ERROR_SERVICE)) {
g_error_free (pgm_error);
errno = EINVAL;
return NULL;
}
zmq_assert (false);
}
#endif
// Create 0MQ context.
zmq::ctx_t *ctx = new (std::nothrow) zmq::ctx_t ((uint32_t) io_threads_);
zmq_assert (ctx);
return (void*) ctx;
}
