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Diffstat (limited to 'external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/thread.cpp')
-rw-r--r-- | external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/thread.cpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/thread.cpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/thread.cpp new file mode 100644 index 00000000..dc3d6d7f --- /dev/null +++ b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/thread.cpp @@ -0,0 +1,144 @@ +/* + Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file + + This file is part of libzmq, the ZeroMQ core engine in C++. + + libzmq is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License (LGPL) as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + As a special exception, the Contributors give you permission to link + this library with independent modules to produce an executable, + regardless of the license terms of these independent modules, and to + copy and distribute the resulting executable under terms of your choice, + provided that you also meet, for each linked independent module, the + terms and conditions of the license of that module. An independent + module is a module which is not derived from or based on this library. + If you modify this library, you must extend this exception to your + version of the library. + + libzmq 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 GNU Lesser General Public + License for more details. + + You should have received a copy of the GNU Lesser 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 + +extern "C" +{ +#if defined _WIN32_WCE + static DWORD thread_routine (LPVOID arg_) +#else + static unsigned int __stdcall thread_routine (void *arg_) +#endif + { + zmq::thread_t *self = (zmq::thread_t*) arg_; + self->tfn (self->arg); + return 0; + } +} + +void zmq::thread_t::start (thread_fn *tfn_, void *arg_) +{ + tfn = tfn_; + arg = arg_; +#if defined _WIN32_WCE + descriptor = (HANDLE) CreateThread (NULL, 0, + &::thread_routine, this, 0 , NULL); +#else + descriptor = (HANDLE) _beginthreadex (NULL, 0, + &::thread_routine, this, 0 , NULL); +#endif + win_assert (descriptor != NULL); +} + +void zmq::thread_t::stop () +{ + DWORD rc = WaitForSingleObject (descriptor, INFINITE); + win_assert (rc != WAIT_FAILED); + BOOL rc2 = CloseHandle (descriptor); + win_assert (rc2 != 0); +} + +void zmq::thread_t::setSchedulingParameters(int priority_, int schedulingPolicy_) +{ + // not implemented +} + +#else + +#include <signal.h> + +extern "C" +{ + static void *thread_routine (void *arg_) + { +#if !defined ZMQ_HAVE_OPENVMS && !defined ZMQ_HAVE_ANDROID + // Following code will guarantee more predictable latencies 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); + posix_assert (rc); +#endif + + zmq::thread_t *self = (zmq::thread_t*) arg_; + self->tfn (self->arg); + return NULL; + } +} + +void zmq::thread_t::start (thread_fn *tfn_, void *arg_) +{ + tfn = tfn_; + arg = arg_; + int rc = pthread_create (&descriptor, NULL, thread_routine, this); + posix_assert (rc); +} + +void zmq::thread_t::stop () +{ + int rc = pthread_join (descriptor, NULL); + posix_assert (rc); +} + +void zmq::thread_t::setSchedulingParameters(int priority_, int schedulingPolicy_) +{ +#if !defined ZMQ_HAVE_ZOS + int policy = 0; + struct sched_param param; + + int rc = pthread_getschedparam(descriptor, &policy, ¶m); + posix_assert (rc); + + if(priority_ != -1) + { + param.sched_priority = priority_; + } + + if(schedulingPolicy_ != -1) + { + policy = schedulingPolicy_; + } + + rc = pthread_setschedparam(descriptor, policy, ¶m); + posix_assert (rc); +#endif +} + +#endif + + + + + |