foreman
184 satır
3.5 KiB
C++
184 satır
3.5 KiB
C++
//
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// Copyright (c) 2008 Advanced Micro Devices, Inc. All rights reserved.
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//
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#include "platform/runtime.hpp"
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#include "thread/atomic.hpp"
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#include "os/os.hpp"
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#include "thread/thread.hpp"
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#include "device/device.hpp"
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#include "utils/flags.hpp"
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#include "utils/options.hpp"
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#include "platform/context.hpp"
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#include "platform/agent.hpp"
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#include "amdocl/cl_gl_amd.hpp"
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#ifdef _WIN32
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#include <d3d10_1.h>
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#include <dxgi.h>
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#include "CL/cl_d3d10.h"
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#endif //_WIN32
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#if defined(_MSC_VER) //both Win32 and Win64
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#include <intrin.h>
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#endif
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#include <cstdlib>
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#include <iostream>
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#ifdef TIMEBOMB
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# include <cstdio>
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# include <time.h>
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#endif // TIMEBOMB
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namespace amd {
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#ifdef __linux__
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static void __runtime_exit() __attribute__((destructor(102)));
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static void __runtime_exit()
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{
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if (ENABLE_CAL_SHUTDOWN) {
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Runtime::tearDown();
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}
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}
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#endif
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volatile bool
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Runtime::initialized_ = false;
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bool
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Runtime::init()
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{
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if (initialized_) {
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return true;
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}
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// Enter a very basic critical region. We want to prevent 2 threads
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// from concurrently executing the init() routines. We can't use a
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// Monitor since the system is not yet initialized.
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static Atomic<int> lock = 0;
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struct CriticalRegion
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{
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Atomic<int>& lock_;
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CriticalRegion(Atomic<int>& lock) : lock_(lock)
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{
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while (true) {
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if (lock == 0 && lock.swap(1) == 0) {
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break;
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}
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Os::yield();
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}
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}
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~CriticalRegion()
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{
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lock_.storeRelease(0);
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}
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} region(lock);
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if (initialized_) {
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return true;
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}
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#ifdef TIMEBOMB
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time_t current = time(NULL);
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time_t expiration = TIMEBOMB;
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if (current > expiration) {
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fprintf(stderr, "Expired on %s", asctime(gmtime(&expiration)));
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return false;
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}
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else {
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fprintf(stderr, "For test only: Expires on %s",
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asctime(gmtime(&expiration)));
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}
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#endif // TIMEBOMB
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if ( !Flag::init()
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|| !option::init()
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|| !Device::init()
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// Agent initializes last
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|| !Agent::init()) {
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return false;
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}
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initialized_ = true;
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return true;
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}
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void
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Runtime::tearDown()
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{
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if (!initialized_) {
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return;
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}
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Agent::tearDown();
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Device::tearDown();
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option::teardown();
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Flag::tearDown();
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}
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uint
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ReferenceCountedObject::retain()
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{
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return ++make_atomic(referenceCount_);
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}
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uint
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ReferenceCountedObject::release()
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{
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uint newCount = --make_atomic(referenceCount_);
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if (newCount == 0) {
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if (terminate()) {
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delete this;
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}
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}
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return newCount;
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}
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#ifdef _WIN32
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#ifdef DEBUG
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static int
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reportHook(int reportType, char *message, int *returnValue)
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{
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std::cerr << message;
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::exit(3);
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return TRUE;
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}
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#endif // DEBUG
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extern "C" BOOL WINAPI
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DllMain(HINSTANCE hinst, DWORD reason, LPVOID reserved)
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{
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switch (reason) {
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case DLL_PROCESS_ATTACH:
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# ifdef DEBUG
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if (AMD_OCL_SUPPRESS_MESSAGE_BOX) {
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_CrtSetReportHook(reportHook);
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_set_error_mode(_OUT_TO_STDERR);
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}
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# endif // DEBUG
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break;
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case DLL_PROCESS_DETACH:
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if (!reserved || ENABLE_CAL_SHUTDOWN) {
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Runtime::tearDown();
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}
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break;
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case DLL_THREAD_DETACH: {
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amd::Thread* thread = amd::Thread::current();
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delete thread;
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}
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break;
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default:
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break;
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}
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return true;
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}
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#endif
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} // namespace amd
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