本文整理汇总了C++中JMutex类的典型用法代码示例。如果您正苦于以下问题：C++ JMutex类的具体用法？C++ JMutex怎么用？C++ JMutex使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了JMutex类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: v3f
void ClientLauncher::speed_tests()
{
// volatile to avoid some potential compiler optimisations
volatile static s16 temp16;
volatile static f32 tempf;
static v3f tempv3f1;
static v3f tempv3f2;
static std::string tempstring;
static std::string tempstring2;
tempv3f1 = v3f();
tempv3f2 = v3f();
tempstring = std::string();
tempstring2 = std::string();
{
infostream << "The following test should take around 20ms." << std::endl;
TimeTaker timer("Testing std::string speed");
const u32 jj = 10000;
for (u32 j = 0; j < jj; j++) {
tempstring = "";
tempstring2 = "";
const u32 ii = 10;
for (u32 i = 0; i < ii; i++) {
tempstring2 += "asd";
}
for (u32 i = 0; i < ii+1; i++) {
tempstring += "asd";
if (tempstring == tempstring2)
break;
}
}
}
infostream << "All of the following tests should take around 100ms each."
<< std::endl;
{
TimeTaker timer("Testing floating-point conversion speed");
tempf = 0.001;
for (u32 i = 0; i < 4000000; i++) {
temp16 += tempf;
tempf += 0.001;
}
}
{
TimeTaker timer("Testing floating-point vector speed");
tempv3f1 = v3f(1, 2, 3);
tempv3f2 = v3f(4, 5, 6);
for (u32 i = 0; i < 10000000; i++) {
tempf += tempv3f1.dotProduct(tempv3f2);
tempv3f2 += v3f(7, 8, 9);
}
}
{
TimeTaker timer("Testing std::map speed");
std::map<v2s16, f32> map1;
tempf = -324;
const s16 ii = 300;
for (s16 y = 0; y < ii; y++) {
for (s16 x = 0; x < ii; x++) {
map1[v2s16(x, y)] = tempf;
tempf += 1;
}
}
for (s16 y = ii - 1; y >= 0; y--) {
for (s16 x = 0; x < ii; x++) {
tempf = map1[v2s16(x, y)];
}
}
}
{
infostream << "Around 5000/ms should do well here." << std::endl;
TimeTaker timer("Testing mutex speed");
JMutex m;
u32 n = 0;
u32 i = 0;
do {
n += 10000;
for (; i < n; i++) {
m.Lock();
m.Unlock();
}
}
// Do at least 10ms
while(timer.getTimerTime() < 10);
u32 dtime = timer.stop();
u32 per_ms = n / dtime;
infostream << "Done. " << dtime << "ms, " << per_ms << "/ms" << std::endl;
}
}示例2: SpeedTests
void SpeedTests()
{
{
dstream<<"The following test should take around 20ms."<<std::endl;
TimeTaker timer("Testing std::string speed");
const u32 jj = 10000;
for(u32 j=0; j<jj; j++)
{
tempstring = "";
tempstring2 = "";
const u32 ii = 10;
for(u32 i=0; i<ii; i++){
tempstring2 += "asd";
}
for(u32 i=0; i<ii+1; i++){
tempstring += "asd";
if(tempstring == tempstring2)
break;
}
}
}
dstream<<"All of the following tests should take around 100ms each."
<<std::endl;
{
TimeTaker timer("Testing floating-point conversion speed");
tempf = 0.001;
for(u32 i=0; i<4000000; i++){
temp16 += tempf;
tempf += 0.001;
}
}
{
TimeTaker timer("Testing floating-point vector speed");
tempv3f1 = v3f(1,2,3);
tempv3f2 = v3f(4,5,6);
for(u32 i=0; i<10000000; i++){
tempf += tempv3f1.dotProduct(tempv3f2);
tempv3f2 += v3f(7,8,9);
}
}
{
TimeTaker timer("Testing core::map speed");
core::map<v2s16, f32> map1;
tempf = -324;
const s16 ii=300;
for(s16 y=0; y<ii; y++){
for(s16 x=0; x<ii; x++){
map1.insert(v2s16(x,y), tempf);
tempf += 1;
}
}
for(s16 y=ii-1; y>=0; y--){
for(s16 x=0; x<ii; x++){
tempf = map1[v2s16(x,y)];
}
}
}
{
dstream<<"Around 5000/ms should do well here."<<std::endl;
TimeTaker timer("Testing mutex speed");
JMutex m;
m.Init();
u32 n = 0;
u32 i = 0;
do{
n += 10000;
for(; i<n; i++){
m.Lock();
m.Unlock();
}
}
// Do at least 10ms
while(timer.getTime() < 10);
u32 dtime = timer.stop();
u32 per_ms = n / dtime;
dstream<<"Done. "<<dtime<<"ms, "
<<per_ms<<"/ms"<<std::endl;
}
}示例3: SpeedTests
void SpeedTests(IrrlichtDevice *device)
{
/*
Test stuff
*/
//test();
//return 0;
/*TestThread thread;
thread.Start();
std::cout<<"thread started"<<std::endl;
while(thread.IsRunning()) sleep(1);
std::cout<<"thread ended"<<std::endl;
return 0;*/
{
std::cout<<"Testing floating-point conversion speed"<<std::endl;
u32 time1 = device->getTimer()->getRealTime();
tempf = 0.001;
for(u32 i=0; i<10000000; i++){
temp16 += tempf;
tempf += 0.001;
}
u32 time2 = device->getTimer()->getRealTime();
u32 fp_conversion_time = time2 - time1;
std::cout<<"Done. "<<fp_conversion_time<<"ms"<<std::endl;
//assert(fp_conversion_time < 1000);
}
{
std::cout<<"Testing floating-point vector speed"<<std::endl;
u32 time1 = device->getTimer()->getRealTime();
tempv3f1 = v3f(1,2,3);
tempv3f2 = v3f(4,5,6);
for(u32 i=0; i<40000000; i++){
tempf += tempv3f1.dotProduct(tempv3f2);
tempv3f2 += v3f(7,8,9);
}
u32 time2 = device->getTimer()->getRealTime();
u32 dtime = time2 - time1;
std::cout<<"Done. "<<dtime<<"ms"<<std::endl;
}
{
std::cout<<"Testing core::map speed"<<std::endl;
u32 time1 = device->getTimer()->getRealTime();
core::map<v2s16, f32> map1;
tempf = -324;
for(s16 y=0; y<500; y++){
for(s16 x=0; x<500; x++){
map1.insert(v2s16(x,y), tempf);
tempf += 1;
}
}
for(s16 y=500-1; y>=0; y--){
for(s16 x=0; x<500; x++){
tempf = map1[v2s16(x,y)];
}
}
u32 time2 = device->getTimer()->getRealTime();
u32 dtime = time2 - time1;
std::cout<<"Done. "<<dtime<<"ms"<<std::endl;
}
{
std::cout<<"Testing mutex speed"<<std::endl;
u32 time1 = device->getTimer()->getRealTime();
u32 time2 = time1;
JMutex m;
m.Init();
u32 n = 0;
u32 i = 0;
do{
n += 10000;
for(; i<n; i++){
m.Lock();
m.Unlock();
}
time2 = device->getTimer()->getRealTime();
}
// Do at least 10ms
while(time2 < time1 + 10);
u32 dtime = time2 - time1;
u32 per_ms = n / dtime;
std::cout<<"Done. "<<dtime<<"ms, "
<<per_ms<<"/ms"<<std::endl;
}
//assert(0);
}示例4: log_deregister_thread
void log_deregister_thread()
{
threadid_t id = get_current_thread_id();
log_threadnamemutex.Lock();
log_threadnames.erase(id);
log_threadnamemutex.Unlock();
}示例5: log_register_thread
void log_register_thread(const std::string &name)
{
threadid_t id = get_current_thread_id();
log_threadnamemutex.Lock();
log_threadnames[id] = name;
log_threadnamemutex.Unlock();
}示例6: updateViewingRange
void updateViewingRange(f32 frametime)
{
#if 1
static f32 counter = 0;
if(counter > 0){
counter -= frametime;
return;
}
counter = 5.0; //seconds
g_viewing_range_nodes_mutex.Lock();
bool changed = false;
if(frametime > 1.0/FPS_MIN
|| g_viewing_range_nodes > VIEWING_RANGE_NODES_MAX){
if(g_viewing_range_nodes > VIEWING_RANGE_NODES_MIN){
g_viewing_range_nodes -= MAP_BLOCKSIZE/2;
changed = true;
}
}
else if(frametime < 1.0/FPS_MAX
|| g_viewing_range_nodes < VIEWING_RANGE_NODES_MIN){
if(g_viewing_range_nodes < VIEWING_RANGE_NODES_MAX){
g_viewing_range_nodes += MAP_BLOCKSIZE/2;
changed = true;
}
}
if(changed){
std::cout<<"g_viewing_range_nodes = "
<<g_viewing_range_nodes<<std::endl;
}
g_viewing_range_nodes_mutex.Unlock();
#endif
}示例7: log_set_lev_silence
void log_set_lev_silence(enum LogMessageLevel lev, bool silence)
{
log_threadnamemutex.Lock();
for (std::list<ILogOutput *>::iterator
it = log_outputs[lev].begin();
it != log_outputs[lev].end();
++it) {
ILogOutput *out = *it;
out->silence = silence;
}
log_threadnamemutex.Unlock();
}示例8: log_printline
void log_printline(enum LogMessageLevel lev, const std::string &text)
{
log_threadnamemutex.Lock();
std::string threadname = "(unknown thread)";
std::map<threadid_t, std::string>::const_iterator i;
i = log_threadnames.find(get_current_thread_id());
if(i != log_threadnames.end())
threadname = i->second;
std::string levelname = get_lev_string(lev);
std::ostringstream os(std::ios_base::binary);
os<<getTimestamp()<<": "<<levelname<<"["<<threadname<<"]: "<<text;
for(std::list<ILogOutput*>::iterator i = log_outputs[lev].begin();
i != log_outputs[lev].end(); i++){
ILogOutput *out = *i;
out->printLog(os.str());
out->printLog(os.str(), lev);
out->printLog(lev, text);
}
log_threadnamemutex.Unlock();
}示例9: debug_stacks_init
void debug_stacks_init()
{
g_debug_stacks_mutex.Init();
}示例10: main
int main()
{
sockets_init();
atexit(sockets_cleanup);
/*
Run unit tests
*/
if(ENABLE_TESTS)
run_tests();
//return 0; //DEBUG
/*
Initialization
*/
srand(time(0));
g_viewing_range_nodes_mutex.Init();
assert(g_viewing_range_nodes_mutex.IsInitialized());
MyEventReceiver receiver;
// create device and exit if creation failed
/*
Host selection
*/
char connect_name[100];
std::cout<<std::endl<<std::endl;
std::cout<<"Address to connect to [empty = host a game]: ";
std::cin.getline(connect_name, 100);
bool hosting = false;
if(connect_name[0] == 0){
snprintf(connect_name, 100, "127.0.0.1");
hosting = true;
}
std::cout<<"-> "<<connect_name<<std::endl;
std::cout<<"Port [empty=30000]: ";
char templine[100];
std::cin.getline(templine, 100);
unsigned short port;
if(templine[0] == 0)
port = 30000;
else
port = atoi(templine);
/*
Resolution selection
*/
u16 screenW = 800;
u16 screenH = 600;
/*
u16 resolutions[][2] = {
{640,480},
{800,600},
{1024,768},
{1280,1024}
};
u16 res_count = sizeof(resolutions)/sizeof(resolutions[0]);
std::cout<<"Select window resolution "
<<"(type a number and press enter):"<<std::endl;
for(u16 i=0; i<res_count; i++)
{
std::cout<<(i+1)<<": "<<resolutions[i][0]<<"x"
<<resolutions[i][1]<<std::endl;
}
u16 r0;
std::cin>>r0;
if(r0 > res_count || r0 == 0)
r0 = 0;
u16 screenW = resolutions[r0-1][0];
u16 screenH = resolutions[r0-1][1];
*/
//
video::E_DRIVER_TYPE driverType;
#ifdef _WIN32
//driverType = video::EDT_DIRECT3D9; // Doesn't seem to work
driverType = video::EDT_OPENGL;
#else
driverType = video::EDT_OPENGL;
#endif
IrrlichtDevice *device;
device = createDevice(driverType,
core::dimension2d<u32>(screenW, screenH),
16, false, false, false, &receiver);
if (device == 0)
return 1; // could not create selected driver.
//.........这里部分代码省略.........