aboutsummaryrefslogtreecommitdiff
path: root/src/client/keys.h
diff options
context:
space:
mode:
authorTheTermos <55103816+TheTermos@users.noreply.github.com>2020-05-14 19:28:27 +0200
committerGitHub <noreply@github.com>2020-05-14 19:28:27 +0200
commit6ef7ad09bbed9176d0d15f53b5cb14ef6e18a3b2 (patch)
tree5a1ba7d06b12b9073beac460efd04c18cf0c9794 /src/client/keys.h
parent836dd4a1e4f97411519578cd9e59b6dbe3b2c00d (diff)
downloadminetest-6ef7ad09bbed9176d0d15f53b5cb14ef6e18a3b2.tar.gz
minetest-6ef7ad09bbed9176d0d15f53b5cb14ef6e18a3b2.tar.bz2
minetest-6ef7ad09bbed9176d0d15f53b5cb14ef6e18a3b2.zip
Collision detection - #9343 follow-up (#9764)
* truncate speed to prevent inf result * code styling * change truncate() input parameters
Diffstat (limited to 'src/client/keys.h')
0 files changed, 0 insertions, 0 deletions
d='n127' href='#n127'>127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582
/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

/*
	Random portability stuff

	See comments in porting.h
*/

#include "porting.h"

#if defined(__FreeBSD__)
	#include <sys/types.h>
	#include <sys/sysctl.h>
#elif defined(_WIN32)
	#include <algorithm>
#endif
#if !defined(_WIN32)
	#include <unistd.h>
	#include <sys/utsname.h>
#endif

#include "config.h"
#include "debug.h"
#include "filesys.h"
#include "log.h"
#include "util/string.h"
#include "main.h"
#include "settings.h"
#include <list>

namespace porting
{

/*
	Signal handler (grabs Ctrl-C on POSIX systems)
*/

bool g_killed = false;

bool * signal_handler_killstatus(void)
{
	return &g_killed;
}

#if !defined(_WIN32) // POSIX
	#include <signal.h>

void sigint_handler(int sig)
{
	if(g_killed == false)
	{
		dstream<<DTIME<<"INFO: sigint_handler(): "
				<<"Ctrl-C pressed, shutting down."<<std::endl;

		// Comment out for less clutter when testing scripts
		/*dstream<<DTIME<<"INFO: sigint_handler(): "
				<<"Printing debug stacks"<<std::endl;
		debug_stacks_print();*/

		g_killed = true;
	}
	else
	{
		(void)signal(SIGINT, SIG_DFL);
	}
}

void signal_handler_init(void)
{
	(void)signal(SIGINT, sigint_handler);
}

#else // _WIN32
	#include <signal.h>

	BOOL WINAPI event_handler(DWORD sig)
	{
		switch(sig)
		{
		case CTRL_C_EVENT:
		case CTRL_CLOSE_EVENT:
		case CTRL_LOGOFF_EVENT:
		case CTRL_SHUTDOWN_EVENT:

			if(g_killed == false)
			{
				dstream<<DTIME<<"INFO: event_handler(): "
						<<"Ctrl+C, Close Event, Logoff Event or Shutdown Event, shutting down."<<std::endl;
				// Comment out for less clutter when testing scripts
				/*dstream<<DTIME<<"INFO: event_handler(): "
						<<"Printing debug stacks"<<std::endl;
				debug_stacks_print();*/

				g_killed = true;
			}
			else
			{
				(void)signal(SIGINT, SIG_DFL);
			}

			break;
		case CTRL_BREAK_EVENT:
			break;
		}

		return TRUE;
	}

void signal_handler_init(void)
{
	SetConsoleCtrlHandler( (PHANDLER_ROUTINE)event_handler,TRUE);
}

#endif


/*
	Multithreading support
*/
int getNumberOfProcessors() {
#if defined(_SC_NPROCESSORS_ONLN)

	return sysconf(_SC_NPROCESSORS_ONLN);

#elif defined(__FreeBSD__) || defined(__APPLE__)

	unsigned int len, count;
	len = sizeof(count);
	return sysctlbyname("hw.ncpu", &count, &len, NULL, 0);

#elif defined(_GNU_SOURCE)

	return get_nprocs();

#elif defined(_WIN32)

	SYSTEM_INFO sysinfo;
	GetSystemInfo(&sysinfo);
	return sysinfo.dwNumberOfProcessors;

#elif defined(PTW32_VERSION) || defined(__hpux)

	return pthread_num_processors_np();

#else

	return 1;

#endif
}


#ifndef __ANDROID__
bool threadBindToProcessor(threadid_t tid, int pnumber) {
#if defined(_WIN32)

	HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, 0, tid);
	if (!hThread)
		return false;

	bool success = SetThreadAffinityMask(hThread, 1 << pnumber) != 0;

	CloseHandle(hThread);
	return success;

#elif (defined(__FreeBSD__) && (__FreeBSD_version >= 702106)) \
	|| defined(__linux) || defined(linux)

	cpu_set_t cpuset;

	CPU_ZERO(&cpuset);
	CPU_SET(pnumber, &cpuset);
	return pthread_setaffinity_np(tid, sizeof(cpuset), &cpuset) == 0;

#elif defined(__sun) || defined(sun)

	return processor_bind(P_LWPID, MAKE_LWPID_PTHREAD(tid),
						pnumber, NULL) == 0;

#elif defined(_AIX)

	return bindprocessor(BINDTHREAD, (tid_t)tid, pnumber) == 0;

#elif defined(__hpux) || defined(hpux)

	pthread_spu_t answer;

	return pthread_processor_bind_np(PTHREAD_BIND_ADVISORY_NP,
									&answer, pnumber, tid) == 0;

#elif defined(__APPLE__)

	struct thread_affinity_policy tapol;

	thread_port_t threadport = pthread_mach_thread_np(tid);
	tapol.affinity_tag = pnumber + 1;
	return thread_policy_set(threadport, THREAD_AFFINITY_POLICY,
			(thread_policy_t)&tapol, THREAD_AFFINITY_POLICY_COUNT) == KERN_SUCCESS;

#else

	return false;

#endif
}
#endif

bool threadSetPriority(threadid_t tid, int prio) {
#if defined(_WIN32)

	HANDLE hThread = OpenThread(THREAD_ALL_ACCESS, 0, tid);
	if (!hThread)
		return false;

	bool success = SetThreadPriority(hThread, prio) != 0;

	CloseHandle(hThread);
	return success;

#else

	struct sched_param sparam;
	int policy;

	if (pthread_getschedparam(tid, &policy, &sparam) != 0)
		return false;

	int min = sched_get_priority_min(policy);
	int max = sched_get_priority_max(policy);

	sparam.sched_priority = min + prio * (max - min) / THREAD_PRIORITY_HIGHEST;
	return pthread_setschedparam(tid, policy, &sparam) == 0;

#endif
}


/*
	Path mangler
*/

// Default to RUN_IN_PLACE style relative paths
std::string path_share = "..";
std::string path_user = "..";

std::string getDataPath(const char *subpath)
{
	return path_share + DIR_DELIM + subpath;
}

void pathRemoveFile(char *path, char delim)
{
	// Remove filename and path delimiter
	int i;
	for(i = strlen(path)-1; i>=0; i--)
	{
		if(path[i] == delim)
			break;
	}
	path[i] = 0;
}

bool detectMSVCBuildDir(char *c_path)
{
	std::string path(c_path);
	const char *ends[] = {"bin\\Release", "bin\\Build", NULL};
	return (removeStringEnd(path, ends) != "");
}

std::string get_sysinfo()
{
#ifdef _WIN32
	OSVERSIONINFO osvi;
	std::ostringstream oss;
	std::string tmp;
	ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
	osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
	GetVersionEx(&osvi);
	tmp = osvi.szCSDVersion;
	std::replace(tmp.begin(), tmp.end(), ' ', '_');

	oss << "Windows/" << osvi.dwMajorVersion << "."
		<< osvi.dwMinorVersion;
	if(osvi.szCSDVersion[0])
		oss << "-" << tmp;
	oss << " ";
	#ifdef _WIN64
	oss << "x86_64";
	#else
	BOOL is64 = FALSE;
	if(IsWow64Process(GetCurrentProcess(), &is64) && is64)
		oss << "x86_64"; // 32-bit app on 64-bit OS
	else
		oss << "x86";
	#endif

	return oss.str();
#else
	struct utsname osinfo;
	uname(&osinfo);
	return std::string(osinfo.sysname) + "/"
		+ osinfo.release + " " + osinfo.machine;
#endif
}

void initializePaths()
{
#if RUN_IN_PLACE
	/*
		Use relative paths if RUN_IN_PLACE
	*/

	infostream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl;

	/*
		Windows
	*/
	#if defined(_WIN32)

	const DWORD buflen = 1000;
	char buf[buflen];
	DWORD len;

	// Find path of executable and set path_share relative to it
	len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
	assert(len < buflen);
	pathRemoveFile(buf, '\\');

	if(detectMSVCBuildDir(buf)){
		infostream<<"MSVC build directory detected"<<std::endl;
		path_share = std::string(buf) + "\\..\\..";
		path_user = std::string(buf) + "\\..\\..";
	}
	else{
		path_share = std::string(buf) + "\\..";
		path_user = std::string(buf) + "\\..";
	}

	/*
		Linux
	*/
	#elif defined(linux)

	char buf[BUFSIZ];
	memset(buf, 0, BUFSIZ);
	// Get path to executable
	assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);

	pathRemoveFile(buf, '/');

	path_share = std::string(buf) + "/..";
	path_user = std::string(buf) + "/..";

	/*
		OS X
	*/
	#elif defined(__APPLE__)

	//https://developer.apple.com/library/mac/#documentation/Darwin/Reference/ManPages/man3/dyld.3.html
	//TODO: Test this code
	char buf[BUFSIZ];
	uint32_t len = sizeof(buf);
	assert(_NSGetExecutablePath(buf, &len) != -1);

	pathRemoveFile(buf, '/');

	path_share = std::string(buf) + "/..";
	path_user = std::string(buf) + "/..";

	/*
		FreeBSD
	*/
	#elif defined(__FreeBSD__)

	int mib[4];
	char buf[BUFSIZ];
	size_t len = sizeof(buf);

	mib[0] = CTL_KERN;
	mib[1] = KERN_PROC;
	mib[2] = KERN_PROC_PATHNAME;
	mib[3] = -1;
	assert(sysctl(mib, 4, buf, &len, NULL, 0) != -1);

	pathRemoveFile(buf, '/');

	path_share = std::string(buf) + "/..";
	path_user = std::string(buf) + "/..";

	#else

	//TODO: Get path of executable. This assumes working directory is bin/
	dstream<<"WARNING: Relative path not properly supported on this platform"
			<<std::endl;

	/* scriptapi no longer allows paths that start with "..", so assuming that
	   the current working directory is bin/, strip off the last component. */
	char *cwd = getcwd(NULL, 0);
	pathRemoveFile(cwd, '/');
	path_share = std::string(cwd);
	path_user = std::string(cwd);

	#endif

#else // RUN_IN_PLACE

	/*
		Use platform-specific paths otherwise
	*/

	infostream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl;

	/*
		Windows
	*/
	#if defined(_WIN32)

	const DWORD buflen = 1000;
	char buf[buflen];
	DWORD len;