Tim Mayberry
119e56e7eb
Check timer for invalid frequency Precalculate timer tick rate to save a few instructions Don't use static variables inside functions to avoid checking for initialization Use static functions inside anonymous namespace for internal linkage
149 lines
2.9 KiB
C++
149 lines
2.9 KiB
C++
/*
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Copyright (C) 2011 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include <cstdlib>
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#include <string>
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#ifdef PLATFORM_WINDOWS
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#include <fcntl.h>
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#endif
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#include <giomm.h>
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#include <glibmm/thread.h>
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#include "pbd/pbd.h"
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#include "pbd/debug.h"
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#include "pbd/error.h"
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#include "pbd/id.h"
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#include "pbd/enumwriter.h"
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#include "pbd/fpu.h"
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#ifdef PLATFORM_WINDOWS
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#include <winsock2.h>
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#include "pbd/windows_timer_utils.h"
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#include "pbd/windows_mmcss.h"
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#endif
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#include "i18n.h"
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extern void setup_libpbd_enums ();
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namespace {
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static bool libpbd_initialized = false;
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static
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void
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set_debug_options_from_env ()
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{
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bool set;
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std::string options;
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options = Glib::getenv ("PBD_DEBUG", set);
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if (set) {
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std::cerr << X_("PBD_DEBUG=") << options << std::endl;
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PBD::parse_debug_options (options.c_str());
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}
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}
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#ifdef PLATFORM_WINDOWS
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static
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void
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test_timers_from_env ()
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{
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bool set;
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std::string options;
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options = Glib::getenv ("PBD_TEST_TIMERS", set);
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if (set) {
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if (!PBD::QPC::check_timer_valid ()) {
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PBD::error << X_("Windows QPC Timer source not usable") << endmsg;
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} else {
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PBD::info << X_("Windows QPC Timer source usable") << endmsg;
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}
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}
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}
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#endif
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} // namespace
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bool
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PBD::init ()
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{
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if (libpbd_initialized) {
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return true;
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}
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#ifdef PLATFORM_WINDOWS
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// Essential!! Make sure that any files used by Ardour
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// will be created or opened in BINARY mode!
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_fmode = O_BINARY;
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WSADATA wsaData;
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/* Initialize windows socket DLL for PBD::CrossThreadChannel
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*/
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if (WSAStartup(MAKEWORD(1,1),&wsaData) != 0) {
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fatal << X_("Windows socket initialization failed with error: ") << WSAGetLastError() << endmsg;
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abort();
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/*NOTREACHED*/
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return false;
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}
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QPC::initialize();
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test_timers_from_env ();
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if (!PBD::MMCSS::initialize()) {
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PBD::info << X_("Unable to initialize MMCSS") << endmsg;
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} else {
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PBD::info << X_("MMCSS Initialized") << endmsg;
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}
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#endif
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if (!Glib::thread_supported()) {
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Glib::thread_init();
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}
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Gio::init ();
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PBD::ID::init ();
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setup_libpbd_enums ();
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set_debug_options_from_env ();
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libpbd_initialized = true;
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return true;
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}
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void
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PBD::cleanup ()
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{
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#ifdef PLATFORM_WINDOWS
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PBD::MMCSS::deinitialize ();
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WSACleanup();
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#endif
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EnumWriter::destroy ();
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FPU::destroy ();
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}
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