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/*
Copyright (c) 2007-2010 iMatix Corporation
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "thread.hpp"
#include "err.hpp"
#include "platform.hpp"
#ifdef ZMQ_HAVE_WINDOWS
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
{
tfn = tfn_;
arg =arg_;
descriptor = (HANDLE) _beginthreadex (NULL, 0,
&zmq::thread_t::thread_routine, this, 0 , NULL);
win_assert (descriptor != NULL);
}
void zmq::thread_t::stop ()
{
DWORD rc = WaitForSingleObject (descriptor, INFINITE);
win_assert (rc != WAIT_FAILED);
}
zmq::thread_t::id_t zmq::thread_t::id ()
{
return GetCurrentThreadId ();
}
bool zmq::thread_t::equal (id_t id1_, id_t id2_)
{
return id1_ == id2_;
}
unsigned int __stdcall zmq::thread_t::thread_routine (void *arg_)
{
thread_t *self = (thread_t*) arg_;
self->tfn (self->arg);
return 0;
}
#else
#include <signal.h>
void zmq::thread_t::start (thread_fn *tfn_, void *arg_)
{
tfn = tfn_;
arg =arg_;
int rc = pthread_create (&descriptor, NULL, thread_routine, this);
errno_assert (rc == 0);
}
void zmq::thread_t::stop ()
{
int rc = pthread_join (descriptor, NULL);
errno_assert (rc == 0);
}
zmq::thread_t::id_t zmq::thread_t::id ()
{
return pthread_self ();
}
bool zmq::thread_t::equal (id_t id1_, id_t id2_)
{
return pthread_equal (id1_, id2_) != 0;
}
void *zmq::thread_t::thread_routine (void *arg_)
{
#if !defined ZMQ_HAVE_OPENVMS
// Following code will guarantee more predictable latecnies as it'll
// disallow any signal handling in the I/O thread.
sigset_t signal_set;
int rc = sigfillset (&signal_set);
errno_assert (rc == 0);
rc = pthread_sigmask (SIG_BLOCK, &signal_set, NULL);
errno_assert (rc == 0);
#endif
thread_t *self = (thread_t*) arg_;
self->tfn (self->arg);
return NULL;
}
#endif
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