/*
-Minetest-c55
-Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
-You should have received a copy of the GNU General Public License along
+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.
*/
See comments in porting.h
*/
+#if defined(linux)
+ #include <unistd.h>
+#elif defined(__APPLE__)
+ #include <unistd.h>
+ #include <mach-o/dyld.h>
+#elif defined(__FreeBSD__)
+ #include <unistd.h>
+ #include <sys/types.h>
+ #include <sys/sysctl.h>
+#endif
+
#include "porting.h"
#include "config.h"
#include "debug.h"
#include "filesys.h"
#include "log.h"
+#include "util/string.h"
+#include <list>
#ifdef __APPLE__
#include "CoreFoundation/CoreFoundation.h"
{
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;
#else // _WIN32
#include <signal.h>
- #include <windows.h>
-
+
BOOL WINAPI event_handler(DWORD sig)
{
switch(sig)
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
+}
+
+
+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
+}
+
+
+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
*/
-std::string path_share = ".." DIR_DELIM "share";
-std::string path_user = ".." DIR_DELIM "user";
+// Default to RUN_IN_PLACE style relative paths
+std::string path_share = "..";
+std::string path_user = "..";
std::string getDataPath(const char *subpath)
{
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) != "");
+}
+
void initializePaths()
{
-#ifdef RUN_IN_PLACE
+#if RUN_IN_PLACE
/*
Use relative paths if RUN_IN_PLACE
*/
Windows
*/
#if defined(_WIN32)
- #include <windows.h>
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, '\\');
- path_share = std::string(buf) + "\\..\\share";
- path_user = std::string(buf) + "\\..\\user";
+ 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)
- #include <unistd.h>
-
+
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) + "/../share";
- path_user = std::string(buf) + "/../user";
-
+ path_share = std::string(buf) + "/..";
+ path_user = std::string(buf) + "/..";
+
/*
OS X
*/
- #elif defined(__APPLE__) || defined(__FreeBSD__)
-
+ #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 OS X and FreeBSD"
+ dstream<<"WARNING: Relative path not properly supported on this platform"
<<std::endl;
- path_share = std::string("../share");
- path_user = std::string("../user");
+
+ /* 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
Windows
*/
#if defined(_WIN32)
- #include <windows.h>
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, '\\');
-
- // Use ".\bin\..\share"
- path_share = std::string(buf) + "\\..\\share";
-
+
+ // Use ".\bin\.."
+ path_share = std::string(buf) + "\\..";
+
// Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
len = GetEnvironmentVariable("APPDATA", buf, buflen);
assert(len < buflen);
Linux
*/
#elif defined(linux)
- #include <unistd.h>
-
- char buf[BUFSIZ];
- memset(buf, 0, BUFSIZ);
+
// Get path to executable
- assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
-
- pathRemoveFile(buf, '/');
+ std::string bindir = "";
+ {
+ char buf[BUFSIZ];
+ memset(buf, 0, BUFSIZ);
+ assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
+ pathRemoveFile(buf, '/');
+ bindir = buf;
+ }
- path_share = std::string(buf) + "/../share/" + PROJECT_NAME;
- //path_share = std::string(INSTALL_PREFIX) + "/share/" + PROJECT_NAME;
- if (!fs::PathExists(path_share)) {
- dstream<<"WARNING: system-wide share not found at \""<<path_share<<"\"";
- path_share = std::string(buf) + "/../share";
- dstream<<"WARNING: Using \""<<path_share<<"\" instead."<<std::endl;
+ // Find share directory from these.
+ // It is identified by containing the subdirectory "builtin".
+ std::list<std::string> trylist;
+ std::string static_sharedir = STATIC_SHAREDIR;
+ if(static_sharedir != "" && static_sharedir != ".")
+ trylist.push_back(static_sharedir);
+ trylist.push_back(bindir + "/../share/" + PROJECT_NAME);
+ trylist.push_back(bindir + "/..");
+
+ for(std::list<std::string>::const_iterator i = trylist.begin();
+ i != trylist.end(); i++)
+ {
+ const std::string &trypath = *i;
+ if(!fs::PathExists(trypath) || !fs::PathExists(trypath + "/builtin")){
+ dstream<<"WARNING: system-wide share not found at \""
+ <<trypath<<"\""<<std::endl;
+ continue;
+ }
+ // Warn if was not the first alternative
+ if(i != trylist.begin()){
+ dstream<<"WARNING: system-wide share found at \""
+ <<trypath<<"\""<<std::endl;
+ }
+ path_share = trypath;
+ break;
}
-
+
path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
/*
OS X
*/
#elif defined(__APPLE__)
- #include <unistd.h>
// Code based on
// http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c
dstream<<"WARNING: Could not determine bundle resource path"<<std::endl;
}
CFRelease(resources_url);
-
+
path_user = std::string(getenv("HOME")) + "/Library/Application Support/" + PROJECT_NAME;
- #elif defined(__FreeBSD__)
+ #else // FreeBSD, and probably many other POSIX-like systems.
- path_share = std::string(INSTALL_PREFIX) + "/share/" + PROJECT_NAME;
+ path_share = STATIC_SHAREDIR;
path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
-
+
#endif
#endif // RUN_IN_PLACE
projects / minetest.git / blobdiff