/*
-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"
+#endif
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>
-bool g_killed = false;
-
void sigint_handler(int sig)
{
if(g_killed == false)
{
- dstream<<DTIME<<"sigint_handler(): "
+ 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_handler_init(void)
{
- dstream<<"signal_handler_init()"<<std::endl;
(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)
{
- // No-op
+ SetConsoleCtrlHandler( (PHANDLER_ROUTINE)event_handler,TRUE);
}
#endif
-bool * signal_handler_killstatus(void)
-{
- return &g_killed;
+
+/*
+ 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_data = "../data";
-std::string path_userdata = "../";
+// 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)
{
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
*/
- dstream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl;
+ infostream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl;
/*
Windows
*/
#if defined(_WIN32)
- #include <windows.h>
const DWORD buflen = 1000;
char buf[buflen];
DWORD len;
-
- // Find path of executable and set path_data relative to it
+
+ // Find path of executable and set path_share relative to it
len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
assert(len < buflen);
pathRemoveFile(buf, '\\');
- // Use "./bin/../data"
- path_data = std::string(buf) + "/../data";
-
- // Use "./bin/../"
- path_userdata = std::string(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)
- #include <unistd.h>
-
+
char buf[BUFSIZ];
memset(buf, 0, BUFSIZ);
// Get path to executable
- readlink("/proc/self/exe", buf, BUFSIZ-1);
-
+ assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
+
pathRemoveFile(buf, '/');
- // Use "./bin/../data"
- path_data = std::string(buf) + "/../data";
-
- // Use "./bin/../"
- path_userdata = std::string(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 OS X"
+ dstream<<"WARNING: Relative path not properly supported on this platform"
<<std::endl;
- path_data = std::string("../data");
- path_userdata = std::string("../");
+ path_share = std::string("..");
+ path_user = std::string("..");
#endif
Use platform-specific paths otherwise
*/
- dstream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl;
+ infostream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl;
/*
Windows
*/
#if defined(_WIN32)
- #include <windows.h>
const DWORD buflen = 1000;
char buf[buflen];
DWORD len;
-
- // Find path of executable and set path_data relative to it
+
+ // Find path of executable and set path_share relative to it
len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
assert(len < buflen);
pathRemoveFile(buf, '\\');
-
- // Use "./bin/../data"
- path_data = std::string(buf) + "/../data";
- //path_data = std::string(buf) + "/../share/" + APPNAME;
-
- // Use "C:\Documents and Settings\user\Application Data\<APPNAME>"
+
+ // 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);
- path_userdata = std::string(buf) + "/" + APPNAME;
+ path_user = std::string(buf) + DIR_DELIM + PROJECT_NAME;
/*
Linux
*/
#elif defined(linux)
- #include <unistd.h>
-
- char buf[BUFSIZ];
- memset(buf, 0, BUFSIZ);
+
// Get path to executable
- readlink("/proc/self/exe", buf, BUFSIZ-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_data = std::string(buf) + "/../share/" + APPNAME;
- //path_data = std::string(INSTALL_PREFIX) + "/share/" + APPNAME;
-
- path_userdata = std::string(getenv("HOME")) + "/." + APPNAME;
+ // 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>
- path_userdata = std::string(getenv("HOME")) + "/Library/Application Support/" + APPNAME;
- path_data = std::string("minetest-mac.app/Contents/Resources/data/");
+ // Code based on
+ // http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c
+ CFBundleRef main_bundle = CFBundleGetMainBundle();
+ CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle);
+ char path[PATH_MAX];
+ if(CFURLGetFileSystemRepresentation(resources_url, TRUE, (UInt8 *)path, PATH_MAX))
+ {
+ dstream<<"Bundle resource path: "<<path<<std::endl;
+ //chdir(path);
+ path_share = std::string(path) + "/share";
+ }
+ else
+ {
+ // error!
+ 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__)
+
+ path_share = STATIC_SHAREDIR;
+ path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
#endif
#endif // RUN_IN_PLACE
-
- dstream<<"path_data = "<<path_data<<std::endl;
- dstream<<"path_userdata = "<<path_userdata<<std::endl;
}
} //namespace porting