void MainWindow::DoPriority(int32 priority) { BRow* selected = NULL; while ((selected = teamView->CurrentSelection(selected))) { // is a team or thread? if (selected->HasLatch()) for (int i = 0; i < teamView->CountRows(selected); i++) set_thread_priority(((ThreadItem *)teamView->RowAt(i, selected))->thread, priority); else set_thread_priority(((ThreadItem *)selected)->thread, priority); } }
DECLHIDDEN(int) rtThreadNativeSetPriority(PRTTHREADINT pThread, RTTHREADTYPE enmType) { int32 iPriority; status_t status; /* * Convert the priority type to native priorities. * (This is quite naive but should be ok.) */ switch (enmType) { case RTTHREADTYPE_INFREQUENT_POLLER: iPriority = B_LOWEST_ACTIVE_PRIORITY; break; case RTTHREADTYPE_EMULATION: iPriority = B_LOW_PRIORITY; break; case RTTHREADTYPE_DEFAULT: iPriority = B_NORMAL_PRIORITY; break; case RTTHREADTYPE_MSG_PUMP: iPriority = B_DISPLAY_PRIORITY; break; case RTTHREADTYPE_IO: iPriority = B_URGENT_DISPLAY_PRIORITY; break; case RTTHREADTYPE_TIMER: iPriority = B_REAL_TIME_DISPLAY_PRIORITY; break; default: AssertMsgFailed(("enmType=%d\n", enmType)); return VERR_INVALID_PARAMETER; } status = set_thread_priority((thread_id)pThread->Core.Key, iPriority); return RTErrConvertFromHaikuKernReturn(status); }
void Address::ExecuteBrowser(const String& cUrl) { int nError=0; if (fork() == 0) { set_thread_priority( -1, 0 ); nError = execlp("/Applications/Webster/Webster","/Applications/Webster/Webster",cUrl.c_str(),NULL); } if (nError == -1) { if (errno == ENOENT) { Alert* pcAlert = new Alert("Address...","Could not find Webster browser.",m_pcIcon->LockBitmap(),0,"_OK",NULL); m_pcIcon->UnlockBitmap(); pcAlert->CenterInScreen(); pcAlert->Go(new Invoker()); } else { Alert* pcAlert = new Alert("Address...","Error launching Webster browser.",m_pcIcon->LockBitmap(),0,"_OK",NULL); m_pcIcon->UnlockBitmap(); pcAlert->CenterInScreen(); pcAlert->Go(new Invoker()); } } }
void LauncherApp::ReadyToRun() { // Since we will essentially run the GUI... set_thread_priority(Thread(), B_DISPLAY_PRIORITY); BWebPage::InitializeOnce(); BWebPage::SetCacheModel(B_WEBKIT_CACHE_MODEL_WEB_BROWSER); BFile settingsFile; BRect windowFrameFromSettings = m_lastWindowFrame; if (openSettingsFile(settingsFile, B_READ_ONLY)) { BMessage settingsArchive; settingsArchive.Unflatten(&settingsFile); settingsArchive.FindRect("window frame", &windowFrameFromSettings); } m_lastWindowFrame = windowFrameFromSettings; m_initialized = true; if (m_launchRefsMessage) { RefsReceived(m_launchRefsMessage); delete m_launchRefsMessage; m_launchRefsMessage = 0; } else { LauncherWindow* window = new LauncherWindow(m_lastWindowFrame); window->Show(); } }
void idle_init(struct fmt_main *format) { #if defined(_POSIX_PRIORITY_SCHEDULING) && defined(SCHED_IDLE) struct sched_param param = {0}; #endif if (!idle_requested(format) || (options.flags & FLG_STDOUT)) return; clk_tck_init(); #if defined(__MINGW32__) || defined (_MSC_VER) SetPriorityClass(GetCurrentProcess(), IDLE_PRIORITY_CLASS); SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_IDLE); #elif defined(__BEOS__) set_thread_priority(getpid(), 1); #else /* * Normally, the range is -20 to 19, but some systems can do 20 as well (at * least some versions of Linux on Alpha), so we try 20. We assume that we're * started with a non-negative nice value (so no need to increment it by more * than 20). */ if (nice(20) == -1) perror("nice"); #endif #if defined(_POSIX_PRIORITY_SCHEDULING) && defined(SCHED_IDLE) use_yield = sched_setscheduler(getpid(), SCHED_IDLE, ¶m) != 0; #elif defined(_POSIX_PRIORITY_SCHEDULING) use_yield = 1; #endif }
/**************************************************************************** REMARKS: Increase the thread priority to maximum, if possible. ****************************************************************************/ int PMAPI PM_setMaxThreadPriority(void) { thread_id thid = find_thread(NULL); thread_info tinfo; get_thread_info(thid, &tinfo); set_thread_priority(thid, B_REAL_TIME_PRIORITY); return tinfo.priority; }
status_t ExpanderThread::ThreadStartup() { status_t status = B_OK; entry_ref srcRef; entry_ref destRef; BString cmd; if ((status = GetDataStore()->FindRef("srcRef", &srcRef)) != B_OK) return status; if ((status = GetDataStore()->FindRef("destRef", &destRef)) == B_OK) { BPath path(&destRef); chdir(path.Path()); } if ((status = GetDataStore()->FindString("cmd", &cmd)) != B_OK) return status; BPath path(&srcRef); BString pathString(path.Path()); pathString.CharacterEscape("\\\"$`", '\\'); pathString.Prepend("\""); pathString.Append("\""); cmd.ReplaceAll("%s", pathString.String()); int32 argc = 3; const char** argv = new const char * [argc + 1]; argv[0] = strdup("/bin/sh"); argv[1] = strdup("-c"); argv[2] = strdup(cmd.String()); argv[argc] = NULL; fThreadId = PipeCommand(argc, argv, fStdIn, fStdOut, fStdErr); delete [] argv; if (fThreadId < 0) return fThreadId; // lower the command priority since it is a background task. set_thread_priority(fThreadId, B_LOW_PRIORITY); resume_thread(fThreadId); int flags = fcntl(fStdOut, F_GETFL, 0); flags |= O_NONBLOCK; fcntl(fStdOut, F_SETFL, flags); flags = fcntl(fStdErr, F_GETFL, 0); flags |= O_NONBLOCK; fcntl(fStdErr, F_SETFL, flags); fExpanderOutput = fdopen(fStdOut, "r"); fExpanderError = fdopen(fStdErr, "r"); return B_OK; }
void BF_GUI_FilesPanel_SearchDialog::AttachedToWindow(void) { BF_GUI_Dialog::AttachedToWindow(); ////////////// idThreadQuery = spawn_thread(BF_GUI_FilesPanel_SearchDialog_Thread,"search",B_THREAD_SUSPENDED,(void*)this); ASSERT(idThreadQuery>0,"can`t start search_thread\n"); ASSERT(B_OK==resume_thread(idThreadQuery)); set_thread_priority(idThreadQuery,1); // }
/************************************************************* * Description: Internal * Author: Rick Caudill * Date: Sun Oct 24 2004 03:54:46 *************************************************************/ void Execute::_RunExecvp() { char* ppzParameters[1024]={NULL,}; _GetParameters(ppzParameters); if (fork() == 0) { set_thread_priority(-1, 0); execvp(m->m_cCommand.c_str(),ppzParameters); } }
static void *watchdog_thread(void *arg) { S64 savecount[MAX_CPU_ENGINES]; int i; UNREFERENCED(arg); /* Set watchdog priority just below cpu priority such that it will not invalidly detect an inoperable cpu */ if(sysblk.cpuprio >= 0) set_thread_priority(0, sysblk.cpuprio+1); for (i = 0; i < sysblk.maxcpu; i ++) savecount[i] = -1; while(!sysblk.shutdown) { for (i = 0; i < sysblk.maxcpu; i++) { // obtain_lock (&sysblk.cpulock[i]); if (IS_CPU_ONLINE(i) && sysblk.regs[i]->cpustate == CPUSTATE_STARTED && (!WAITSTATE(&sysblk.regs[i]->psw) #if defined(_FEATURE_WAITSTATE_ASSIST) && !(sysblk.regs[i]->sie_active && WAITSTATE(&sysblk.regs[i]->guestregs->psw)) #endif )) { /* If the cpu is running but not executing instructions then it must be malfunctioning */ if((INSTCOUNT(sysblk.regs[i]) == (U64)savecount[i]) && !HDC1(debug_watchdog_signal, sysblk.regs[i]) ) { /* Send signal to looping CPU */ signal_thread(sysblk.cputid[i], SIGUSR1); savecount[i] = -1; } else /* Save current instcount */ savecount[i] = INSTCOUNT(sysblk.regs[i]); } else /* mark savecount invalid as CPU not in running state */ savecount[i] = -1; // release_lock (&sysblk.cpulock[i]); } /* Sleep for 20 seconds */ SLEEP(20); } return NULL; }
bool uhd::set_thread_priority_safe(float priority, bool realtime){ try{ set_thread_priority(priority, realtime); return true; }catch(const std::exception &e){ UHD_MSG(warning) << boost::format( "Unable to set the thread priority. Performance may be negatively affected.\n" "Please see the general application notes in the manual for instructions.\n" "%s\n" ) % e.what(); return false; } }
int main(int argc, char **argv) { srand(time(NULL)); ths = malloc(NB*sizeof(thread_t)); int i; for(i=0; i<NB; i++) { thread_create(&ths[i], thfunc, (void*)(size_t)i); set_thread_priority(ths[i], rand()%MAX_PRIORITY+1); } //debug_priority(); for(i=0; i<NB*LOOP; i++) { thread_yield(); } free(ths); return 0; }
void threadpool::spawn_once(thread_priority priority) { // In C++14 work should use a unique_ptr. // Work prevents the service from running out of work and terminating. if (!work_) work_ = std::make_shared<asio::service::work>(service_); const auto action = [this, priority] { set_thread_priority(priority); service_.run(); }; threads_.push_back(asio::thread(action)); }
int SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority) { int32 value; if (priority == SDL_THREAD_PRIORITY_LOW) { value = B_LOW_PRIORITY; } else if (priority == SDL_THREAD_PRIORITY_HIGH) { value = B_URGENT_DISPLAY_PRIORITY; } else { value = B_NORMAL_PRIORITY; } set_thread_priority(find_thread(NULL), value); return 0; }
status_t FilterIO::InitData(int argc, const char** argv, const char** envp) { fStdIn = fStdOut = fStdErr = -1; fInitErr = B_OK; fThreadId = PipeCommand(argc, argv, fStdIn, fStdOut, fStdErr, envp); if (fThreadId < 0) fInitErr = fThreadId; // lower the command priority since it is a background task. set_thread_priority(fThreadId, B_LOW_PRIORITY); resume_thread(fThreadId); return fInitErr; }
void ProtocolWindow::Show() { SetWorkspaces(B_CURRENT_WORKSPACE); BWindow::Show(); float width, height; Lock(); mb->GetPreferredSize(&width,&height); scrollView->ResizeTo(Bounds().Width()+1, Bounds().Height()-(height)); mb->ResizeTo(Bounds().Width(), height); scrollView->MoveTo(0,height+1); contentView->MakeFocus(true); Unlock(); set_thread_priority(Thread(), 5); // priority change must happen after // first Show(), because Show() sets // priority to 15 at first call. }
void BF_GUI_FilesPanel::Action_Tracker_Addons_Run(const char *pc_AddOn) { ASSERT(pc_AddOn); image_id uImage; uImage = load_add_on(pc_AddOn); if(0==uImage) return; BEntry oEntry(oPath.Path()); entry_ref uEntryRef; if(B_OK!=oEntry.GetRef(&uEntryRef)) return; void (*Func_AddOn)(entry_ref dir_ref, BMessage *msg, void *); if(B_OK!=get_image_symbol(uImage, "process_refs", B_SYMBOL_TYPE_TEXT, (void**)&Func_AddOn)) return; BMessage *poMessage = new BMessage(); BF_NodeCollection loSelNode; loNode.GetSelecting(loSelNode); if(loSelNode.CountItems()==0) loSelNode.AddItem(Nodes_Focus()); if(loSelNode.CountItems()==0) return; ASSERT(poMessage); BF_Node *poNode=NULL; entry_ref uNodeRef; BL_String s; for(int iNode=0;iNode<loSelNode.CountItems();iNode++){ poNode = loSelNode.NodeAt(iNode); s=oPath.Path(); s<<"/"; s<<poNode->sName; if(B_OK!=oEntry.SetTo(s.String()) || B_OK!=oEntry.GetRef(&uNodeRef)) continue; poMessage->AddRef("refs",&uNodeRef); } poMessage->AddRef("folder_ref",&uEntryRef); poMessage->AddPointer("func",(void*)Func_AddOn); // run thread // thread_id idThread = spawn_thread(BF_GUI_FilesPanel_Action_Tracker_Addons_Run_Thread,"tracker_addon_thread",B_THREAD_SUSPENDED,(void*)poMessage); ASSERT(idThread>0,"can`t start thread\n"); ASSERT(B_OK==resume_thread(idThread)); set_thread_priority(idThread,1); }
/* virtual */ void BMediaEventLooper::SetRunMode(run_mode mode) { CALLED(); // The SetRunMode() hook function is called when someone requests that your node's run mode be changed. // bump or reduce priority when switching from/to offline run mode int32 priority; priority = (mode == B_OFFLINE) ? min_c(B_NORMAL_PRIORITY, fSetPriority) : fSetPriority; if (priority != fCurrentPriority) { fCurrentPriority = priority; if(fControlThread > 0) { set_thread_priority(fControlThread, fCurrentPriority); /* fSchedulingLatency = estimate_max_scheduling_latency(fControlThread); printf("BMediaEventLooper: SchedulingLatency is %Ld\n", fSchedulingLatency);*/ } } BMediaNode::SetRunMode(mode); }
AutoMounter::AutoMounter() : BApplication(kMountServerSignature), fNormalMode(kRestorePreviousVolumes), fRemovableMode(kAllVolumes), fEjectWhenUnmounting(true) { set_thread_priority(Thread(), B_LOW_PRIORITY); if (!BootedInSafeMode()) { _ReadSettings(); } else { // defeat automounter in safe mode, don't even care about the settings fNormalMode = kNoVolumes; fRemovableMode = kNoVolumes; } BDiskDeviceRoster().StartWatching(this, B_DEVICE_REQUEST_DEVICE | B_DEVICE_REQUEST_DEVICE_LIST); }
status_t BMediaEventLooper::SetPriority(int32 priority) { CALLED(); // clamp to a valid value if (priority < 5) priority = 5; if (priority > 120) priority = 120; fSetPriority = priority; fCurrentPriority = (RunMode() == B_OFFLINE) ? min_c(B_NORMAL_PRIORITY, fSetPriority) : fSetPriority; if(fControlThread > 0) { set_thread_priority(fControlThread, fCurrentPriority); /* fSchedulingLatency = estimate_max_scheduling_latency(fControlThread); printf("BMediaEventLooper: SchedulingLatency is %Ld\n", fSchedulingLatency);*/ } return B_OK; }
status_t Shell::_Spawn(int row, int col, const ShellParameters& parameters) { const char** argv = (const char**)parameters.Arguments(); int argc = parameters.ArgumentCount(); const char* defaultArgs[3] = {kDefaultShell, "-l", NULL}; struct passwd passwdStruct; struct passwd *passwdResult; char stringBuffer[256]; if (argv == NULL || argc == 0) { if (!getpwuid_r(getuid(), &passwdStruct, stringBuffer, sizeof(stringBuffer), &passwdResult)) { defaultArgs[0] = passwdStruct.pw_shell; } argv = defaultArgs; argc = 2; fShellInfo.SetDefaultShell(true); } else fShellInfo.SetDefaultShell(false); fShellInfo.SetEncoding(parameters.Encoding()); signal(SIGTTOU, SIG_IGN); // get a pseudo-tty int master = posix_openpt(O_RDWR | O_NOCTTY); const char *ttyName; if (master < 0) { fprintf(stderr, "Didn't find any available pseudo ttys."); return errno; } if (grantpt(master) != 0 || unlockpt(master) != 0 || (ttyName = ptsname(master)) == NULL) { close(master); fprintf(stderr, "Failed to init pseudo tty."); return errno; } /* * Get the modes of the current terminal. We will duplicates these * on the pseudo terminal. */ thread_id terminalThread = find_thread(NULL); /* Fork a child process. */ fShellInfo.SetProcessID(fork()); if (fShellInfo.ProcessID() < 0) { close(master); return B_ERROR; } handshake_t handshake; if (fShellInfo.ProcessID() == 0) { // Now in child process. // close the PTY master side close(master); /* * Make our controlling tty the pseudo tty. This hapens because * we cleared our original controlling terminal above. */ /* Set process session leader */ if (setsid() < 0) { handshake.status = PTY_NG; snprintf(handshake.msg, sizeof(handshake.msg), "could not set session leader."); send_handshake_message(terminalThread, handshake); exit(1); } /* open slave pty */ int slave = -1; if ((slave = open(ttyName, O_RDWR)) < 0) { handshake.status = PTY_NG; snprintf(handshake.msg, sizeof(handshake.msg), "can't open tty (%s).", ttyName); send_handshake_message(terminalThread, handshake); exit(1); } /* set signal default */ signal(SIGCHLD, SIG_DFL); signal(SIGHUP, SIG_DFL); signal(SIGQUIT, SIG_DFL); signal(SIGTERM, SIG_DFL); signal(SIGINT, SIG_DFL); signal(SIGTTOU, SIG_DFL); struct termios tio; /* get tty termios (not necessary). * TODO: so why are we doing it ? */ tcgetattr(slave, &tio); initialize_termios(tio); /* * change control tty. */ dup2(slave, 0); dup2(slave, 1); dup2(slave, 2); /* close old slave fd. */ if (slave > 2) close(slave); /* * set terminal interface. */ if (tcsetattr(0, TCSANOW, &tio) == -1) { handshake.status = PTY_NG; snprintf(handshake.msg, sizeof(handshake.msg), "failed set terminal interface (TERMIOS)."); send_handshake_message(terminalThread, handshake); exit(1); } /* * set window size. */ handshake.status = PTY_WS; send_handshake_message(terminalThread, handshake); receive_handshake_message(handshake); if (handshake.status != PTY_WS) { handshake.status = PTY_NG; snprintf(handshake.msg, sizeof(handshake.msg), "mismatch handshake."); send_handshake_message(terminalThread, handshake); exit(1); } struct winsize ws = { handshake.row, handshake.col }; ioctl(0, TIOCSWINSZ, &ws); tcsetpgrp(0, getpgrp()); // set this process group ID as the controlling terminal set_thread_priority(find_thread(NULL), B_NORMAL_PRIORITY); /* pty open and set termios successful. */ handshake.status = PTY_OK; send_handshake_message(terminalThread, handshake); /* * setenv TERM and TTY. */ setenv("TERM", kTerminalType, true); setenv("TTY", ttyName, true); setenv("TTYPE", fShellInfo.EncodingName(), true); // set the current working directory, if one is given if (parameters.CurrentDirectory().Length() > 0) chdir(parameters.CurrentDirectory().String()); execve(argv[0], (char * const *)argv, environ); // Exec failed. // TODO: This doesn't belong here. sleep(1); BString alertCommand = "alert --stop '"; alertCommand += B_TRANSLATE("Cannot execute \"%command\":\n\t%error"); alertCommand += "' '"; alertCommand += B_TRANSLATE("Use default shell"); alertCommand += "' '"; alertCommand += B_TRANSLATE("Abort"); alertCommand += "'"; alertCommand.ReplaceFirst("%command", argv[0]); alertCommand.ReplaceFirst("%error", strerror(errno)); int returnValue = system(alertCommand.String()); if (returnValue == 0) { execl(kDefaultShell, kDefaultShell, "-l", NULL); } exit(1); } /* * In parent Process, Set up the input and output file pointers so * that they can write and read the pseudo terminal. */ /* * close parent control tty. */ int done = 0; while (!done) { receive_handshake_message(handshake); switch (handshake.status) { case PTY_OK: done = 1; break; case PTY_NG: fprintf(stderr, "%s\n", handshake.msg); done = -1; break; case PTY_WS: handshake.row = row; handshake.col = col; handshake.status = PTY_WS; send_handshake_message(fShellInfo.ProcessID(), handshake); break; } } if (done <= 0) return B_ERROR; fFd = master; return B_OK; }
void BrowserApp::ReadyToRun() { // Since we will essentially run the GUI... set_thread_priority(Thread(), B_DISPLAY_PRIORITY); BWebPage::InitializeOnce(); BWebPage::SetCacheModel(B_WEBKIT_CACHE_MODEL_WEB_BROWSER); BPath path; if (find_directory(B_USER_SETTINGS_DIRECTORY, &path) == B_OK && path.Append(kApplicationName) == B_OK && create_directory(path.Path(), 0777) == B_OK) { BWebSettings::SetPersistentStoragePath(path.Path()); } BString mainSettingsPath(kApplicationName); mainSettingsPath << "/Application"; fSettings = new SettingsMessage(B_USER_SETTINGS_DIRECTORY, mainSettingsPath.String()); #if ENABLE_NATIVE_COOKIES mainSettingsPath = kApplicationName; mainSettingsPath << "/Cookies"; fCookies = new SettingsMessage(B_USER_SETTINGS_DIRECTORY, mainSettingsPath.String()); BMessage cookieArchive; cookieArchive = fCookies->GetValue("cookies", cookieArchive); fCookieJar = new BNetworkCookieJar(cookieArchive); BWebPage::SetCookieJar(fCookieJar); #endif fLastWindowFrame = fSettings->GetValue("window frame", fLastWindowFrame); BRect defaultDownloadWindowFrame(-10, -10, 365, 265); BRect downloadWindowFrame = fSettings->GetValue("downloads window frame", defaultDownloadWindowFrame); BRect settingsWindowFrame = fSettings->GetValue("settings window frame", BRect()); bool showDownloads = fSettings->GetValue("show downloads", false); fDownloadWindow = new DownloadWindow(downloadWindowFrame, showDownloads, fSettings); if (downloadWindowFrame == defaultDownloadWindowFrame) { // Initially put download window in lower right of screen. BRect screenFrame = BScreen().Frame(); BMessage decoratorSettings; fDownloadWindow->GetDecoratorSettings(&decoratorSettings); float borderWidth = 0; if (decoratorSettings.FindFloat("border width", &borderWidth) != B_OK) borderWidth = 5; fDownloadWindow->MoveTo(screenFrame.Width() - fDownloadWindow->Frame().Width() - borderWidth, screenFrame.Height() - fDownloadWindow->Frame().Height() - borderWidth); } fSettingsWindow = new SettingsWindow(settingsWindowFrame, fSettings); BWebPage::SetDownloadListener(BMessenger(fDownloadWindow)); fInitialized = true; int32 pagesCreated = 0; bool fullscreen = false; if (fLaunchRefsMessage) { _RefsReceived(fLaunchRefsMessage, &pagesCreated, &fullscreen); delete fLaunchRefsMessage; fLaunchRefsMessage = NULL; } if (pagesCreated == 0) _CreateNewWindow("", fullscreen); PostMessage(PRELOAD_BROWSING_HISTORY); }
int spool_request(struct uwsgi_spooler *uspool, char *filename, int rn, int core_id, char *buffer, int size, char *priority, time_t at, char *body, size_t body_len) { struct timeval tv; int fd; struct uwsgi_header uh; if (!uspool) { uspool = uwsgi.spoolers; } // this lock is for threads, the pid value in filename will avoid multiprocess races uwsgi_lock(uspool->lock); gettimeofday(&tv, NULL); if (priority) { if (snprintf(filename, 1024, "%s/%s", uspool->dir, priority) <= 0) { uwsgi_unlock(uspool->lock); return 0; } // no need to check for errors... (void) mkdir(filename, 0777); if (snprintf(filename, 1024, "%s/%s/uwsgi_spoolfile_on_%s_%d_%d_%d_%llu_%llu", uspool->dir, priority, uwsgi.hostname, (int) getpid(), rn, core_id, (unsigned long long) tv.tv_sec, (unsigned long long) tv.tv_usec) <= 0) { uwsgi_unlock(uspool->lock); return 0; } } else { if (snprintf(filename, 1024, "%s/uwsgi_spoolfile_on_%s_%d_%d_%d_%llu_%llu", uspool->dir, uwsgi.hostname, (int) getpid(), rn, core_id, (unsigned long long) tv.tv_sec, (unsigned long long) tv.tv_usec) <= 0) { uwsgi_unlock(uspool->lock); return 0; } } fd = open(filename, O_CREAT | O_EXCL | O_WRONLY, S_IRUSR | S_IWUSR); if (fd < 0) { uwsgi_error_open(filename); uwsgi_unlock(uspool->lock); return 0; } // now lock the file, it will no be runnable, until the lock is not removed // a race could come if the spooler take the file before fcntl is called // in such case the spooler will detect a zeroed file and will retry later if (uwsgi_fcntl_lock(fd)) { close(fd); uwsgi_unlock(uspool->lock); return 0; } uh.modifier1 = 17; uh.modifier2 = 0; uh.pktsize = (uint16_t) size; #ifdef __BIG_ENDIAN__ uh.pktsize = uwsgi_swap16(uh.pktsize); #endif if (write(fd, &uh, 4) != 4) { goto clear; } if (write(fd, buffer, size) != size) { goto clear; } if (body && body_len > 0) { if ((size_t)write(fd, body, body_len) != body_len) { goto clear; } } if (at > 0) { struct timeval tv[2]; tv[0].tv_sec = at; tv[0].tv_usec = 0; tv[1].tv_sec = at; tv[1].tv_usec = 0; #ifdef __sun__ if (futimesat(fd, NULL, tv)) { #else if (futimes(fd, tv)) { #endif uwsgi_error("futimes()"); } } // here the file will be unlocked too close(fd); if (!uwsgi.spooler_quiet) uwsgi_log("[spooler] written %d bytes to file %s\n", size + body_len + 4, filename); // and here waiting threads can continue uwsgi_unlock(uspool->lock); /* wake up the spoolers attached to the specified dir ... (HACKY) no need to fear races, as USR1 is harmless an all of the uWSGI processes... it could be a problem if a new process takes the old pid, but modern systems should avoid that */ struct uwsgi_spooler *spoolers = uwsgi.spoolers; while(spoolers) { if (!strcmp(spoolers->dir, uspool->dir)) { if (spoolers->pid > 0 && spoolers->running == 0) { (void) kill(spoolers->pid, SIGUSR1); } } spoolers = spoolers->next; } return 1; clear: uwsgi_unlock(uspool->lock); uwsgi_error("write()"); if (unlink(filename)) { uwsgi_error("unlink()"); } // unlock the file too close(fd); return 0; } void spooler(struct uwsgi_spooler *uspool) { // prevent process blindly reading stdin to make mess int nullfd; // asked by Marco Beri #ifdef __HAIKU__ #ifdef UWSGI_DEBUG uwsgi_log("lowering spooler priority to %d\n", B_LOW_PRIORITY); #endif set_thread_priority(find_thread(NULL), B_LOW_PRIORITY); #else #ifdef UWSGI_DEBUG uwsgi_log("lowering spooler priority to %d\n", PRIO_MAX); #endif setpriority(PRIO_PROCESS, getpid(), PRIO_MAX); #endif nullfd = open("/dev/null", O_RDONLY); if (nullfd < 0) { uwsgi_error_open("/dev/null"); exit(1); } if (nullfd != 0) { dup2(nullfd, 0); close(nullfd); } int spooler_event_queue = event_queue_init(); int interesting_fd = -1; if (uwsgi.master_process) { event_queue_add_fd_read(spooler_event_queue, uwsgi.shared->spooler_signal_pipe[1]); } // reset the tasks counter uspool->tasks = 0; for (;;) { if (chdir(uspool->dir)) { uwsgi_error("chdir()"); exit(1); } if (uwsgi.spooler_ordered) { #ifdef __linux__ spooler_scandir(uspool, NULL); #else spooler_readdir(uspool, NULL); #endif } else { spooler_readdir(uspool, NULL); } int timeout = uwsgi.shared->spooler_frequency; if (wakeup > 0) { timeout = 0; } if (event_queue_wait(spooler_event_queue, timeout, &interesting_fd) > 0) { if (uwsgi.master_process) { if (interesting_fd == uwsgi.shared->spooler_signal_pipe[1]) { uwsgi_receive_signal(interesting_fd, "spooler", (int) getpid()); } } } // avoid races uint64_t tmp_wakeup = wakeup; if (tmp_wakeup > 0) { tmp_wakeup--; } wakeup = tmp_wakeup; // need to recycle ? if (uwsgi.spooler_max_tasks > 0 && uspool->tasks >= (uint64_t)uwsgi.spooler_max_tasks) { uwsgi_log("[spooler %s pid: %d] maximum number of tasks reached (%d) recycling ...\n", uspool->dir, (int) uwsgi.mypid, uwsgi.spooler_max_tasks); end_me(0); } } }
/**************************************************************************** REMARKS: Restore the original thread priority. ****************************************************************************/ static void RestoreThreadPriority( int priority) { thread_id thid = find_thread(NULL); set_thread_priority(thid, priority); }
static void* logger_thread(void *arg) { int bytes_read; UNREFERENCED(arg); /* Set root mode in order to set priority */ SETMODE(ROOT); /* Set device thread priority; ignore any errors */ if(set_thread_priority(0, sysblk.devprio)) WRMSG(HHC00136, "W", "set_thread_priority()", strerror(errno)); /* Back to user mode */ SETMODE(USER); #if !defined( _MSVC_ ) /* Redirect stdout to the logger */ if(dup2(logger_syslogfd[LOG_WRITE],STDOUT_FILENO) == -1) { if(logger_hrdcpy) fprintf(logger_hrdcpy, MSG(HHC02102, "E", "dup2()", strerror(errno))); exit(1); } #endif /* !defined( _MSVC_ ) */ setvbuf (stdout, NULL, _IONBF, 0); obtain_lock(&logger_lock); logger_active = 1; /* Signal initialization complete */ signal_condition(&logger_cond); release_lock(&logger_lock); /* ZZ FIXME: We must empty the read pipe before we terminate */ /* (Couldn't we just loop waiting for a 'select(,&readset,,,timeout)' to return zero?? Or use the 'poll' function similarly?? - Fish) */ while(logger_active) { bytes_read = read_pipe(logger_syslogfd[LOG_READ],logger_buffer + logger_currmsg, ((logger_bufsize - logger_currmsg) > LOG_DEFSIZE ? LOG_DEFSIZE : logger_bufsize - logger_currmsg)); if(bytes_read == -1) { int read_pipe_errno = HSO_errno; // (ignore any/all errors at shutdown) if (sysblk.shutdown) continue; if (HSO_EINTR == read_pipe_errno) continue; obtain_lock(&logger_lock); if(logger_hrdcpy) { fprintf(logger_hrdcpy, MSG(HHC02102, "E", "read_pipe()", strerror(read_pipe_errno))); } release_lock(&logger_lock); bytes_read = 0; } /* If Hercules is not running in daemon mode and panel initialization is not yet complete, write message to stderr so the user can see it on the terminal */ if (!sysblk.daemon_mode) { if (!sysblk.panel_init) { char* pLeft2 = logger_buffer + logger_currmsg; int nLeft2 = bytes_read; #if defined( OPTION_MSGCLR ) /* Remove "<pnl,..." color string if it exists */ if (1 && nLeft2 > 5 && strncasecmp( pLeft2, "<pnl", 4 ) == 0 && (pLeft2 = memchr( pLeft2+4, '>', nLeft2-4 )) != NULL ) { pLeft2++; nLeft2 -= (int)(pLeft2 - (logger_buffer + logger_currmsg)); } #endif // defined( OPTION_MSGCLR ) /* (ignore any errors; we did the best we could) */ if (nLeft2) { if ( fwrite( pLeft2, nLeft2, 1, stderr ) ) { perror(QLINE "fwrite failure/HHC02102 "); } } } } obtain_lock(&logger_lock); /* Write log data to hardcopy file */ if (logger_hrdcpy) { /* Need to prefix each line with a timestamp. */ static int needstamp = 1; char* pLeft = logger_buffer + logger_currmsg; int nLeft = bytes_read; char* pRight = NULL; int nRight = 0; char* pNL = NULL; /* (pointer to NEWLINE character) */ if (needstamp) { if (!sysblk.logoptnotime) logger_logfile_timestamp(); needstamp = 0; } while ( (pNL = memchr( pLeft, '\n', nLeft )) != NULL ) { pRight = pNL + 1; nRight = nLeft - (int)(pRight - pLeft); nLeft -= nRight; #if defined( OPTION_MSGCLR ) /* Remove "<pnl...>" color string if it exists */ { char* pLeft2 = pLeft; int nLeft2 = nLeft; if (1 && nLeft > 5 && strncasecmp( pLeft, "<pnl", 4 ) == 0 && (pLeft2 = memchr( pLeft+4, '>', nLeft-4 )) != NULL ) { pLeft2++; nLeft2 -= (int)(pLeft2 - pLeft); } else { pLeft2 = pLeft; nLeft2 = nLeft; } if (nLeft2) logger_logfile_write( pLeft2, nLeft2 ); } #else // !defined( OPTION_MSGCLR ) if (nLeft) logger_logfile_write( pLeft, nLeft ); #endif // defined( OPTION_MSGCLR ) pLeft = pRight; nLeft = nRight; if (!nLeft) { needstamp = 1; break; } if (!sysblk.logoptnotime) logger_logfile_timestamp(); } if (nLeft) logger_logfile_write( pLeft, nLeft ); } release_lock(&logger_lock); /* Increment buffer index to next available position */ logger_currmsg += bytes_read; if(logger_currmsg >= logger_bufsize) { logger_currmsg = 0; logger_wrapped = 1; } /* Notify all interested parties new log data is available */ obtain_lock(&logger_lock); broadcast_condition(&logger_cond); release_lock(&logger_lock); } logger_tid = 0; /* Logger is now terminating */ obtain_lock(&logger_lock); /* Write final message to hardcopy file */ if (logger_hrdcpy) { char* term_msg = MSG(HHC02103, "I"); size_t term_msg_len = strlen(term_msg); if (!sysblk.logoptnotime) logger_logfile_timestamp(); logger_logfile_write( term_msg, term_msg_len ); } /* Redirect all msgs to stderr */ logger_syslog[LOG_WRITE] = stderr; logger_syslogfd[LOG_WRITE] = STDERR_FILENO; fflush(stderr); /* Signal any waiting tasks */ broadcast_condition(&logger_cond); release_lock(&logger_lock); return NULL; }
/** * NOTE: The technique is not the same as that used in TinyVM. * The return value indicates the impact of the call on the VM * system. EXEC_CONTINUE normal return the system should return to the return * address provided by the VM. EXEC_RUN The call has modified the value of * VM PC and this should be used to restart execution. EXEC_RETRY The call * needs to be re-tried (typically for a GC failure), all global state * should be left intact, the PC has been set appropriately. * */ int dispatch_native(TWOBYTES signature, STACKWORD * paramBase) { STACKWORD p0 = paramBase[0]; switch (signature) { case wait_4_5V: return monitor_wait((Object *) word2ptr(p0), 0); case wait_4J_5V: return monitor_wait((Object *) word2ptr(p0), ((int)paramBase[1] > 0 ? 0x7fffffff : paramBase[2])); case notify_4_5V: return monitor_notify((Object *) word2ptr(p0), false); case notifyAll_4_5V: return monitor_notify((Object *) word2ptr(p0), true); case start_4_5V: // Create thread, allow for instruction restart return init_thread((Thread *) word2ptr(p0)); case yield_4_5V: schedule_request(REQUEST_SWITCH_THREAD); break; case sleep_4J_5V: sleep_thread(((int)p0 > 0 ? 0x7fffffff : paramBase[1])); schedule_request(REQUEST_SWITCH_THREAD); break; case getPriority_4_5I: push_word(get_thread_priority((Thread *) word2ptr(p0))); break; case setPriority_4I_5V: { STACKWORD p = (STACKWORD) paramBase[1]; if (p > MAX_PRIORITY || p < MIN_PRIORITY) return throw_new_exception(JAVA_LANG_ILLEGALARGUMENTEXCEPTION); else set_thread_priority((Thread *) word2ptr(p0), p); } break; case currentThread_4_5Ljava_3lang_3Thread_2: push_ref(ptr2ref(currentThread)); break; case interrupt_4_5V: interrupt_thread((Thread *) word2ptr(p0)); break; case interrupted_4_5Z: { JBYTE i = currentThread->interruptState != INTERRUPT_CLEARED; currentThread->interruptState = INTERRUPT_CLEARED; push_word(i); } break; case isInterrupted_4_5Z: push_word(((Thread *) word2ptr(p0))->interruptState != INTERRUPT_CLEARED); break; case join_4_5V: join_thread((Thread *) word2ptr(p0), 0); break; case join_4J_5V: join_thread((Thread *) word2obj(p0), paramBase[2]); break; case halt_4I_5V: schedule_request(REQUEST_EXIT); break; case shutdown_4_5V: shutdown_program(false); break; case currentTimeMillis_4_5J: push_word(0); push_word(systick_get_ms()); break; case readSensorValue_4I_5I: push_word(sp_read(p0, SP_ANA)); break; case setPowerTypeById_4II_5V: sp_set_power(p0, paramBase[1]); break; case freeMemory_4_5J: push_word(0); push_word(getHeapFree()); break; case totalMemory_4_5J: push_word(0); push_word(getHeapSize()); break; case floatToRawIntBits_4F_5I: // Fall through case intBitsToFloat_4I_5F: push_word(p0); break; case doubleToRawLongBits_4D_5J: // Fall through case longBitsToDouble_4J_5D: push_word(p0); push_word(paramBase[1]); break; case drawString_4Ljava_3lang_3String_2II_5V: { String *p = (String *)word2obj(p0); Object *charArray; if (!p) return throw_new_exception(JAVA_LANG_NULLPOINTEREXCEPTION); charArray = (Object *) word2ptr(get_word_4_ns(fields_start(p))); if (!charArray) return throw_new_exception(JAVA_LANG_NULLPOINTEREXCEPTION); display_goto_xy(paramBase[1], paramBase[2]); display_jstring(p); } break; case drawInt_4III_5V: display_goto_xy(paramBase[1], paramBase[2]); display_int(p0, 0); break; case drawInt_4IIII_5V: display_goto_xy(paramBase[2], paramBase[3]); display_int(p0, paramBase[1]); break; case asyncRefresh_4_5V: display_update(); break; case clear_4_5V: display_clear(0); break; case getDisplay_4_5_1B: push_word(display_get_array()); break; case setAutoRefreshPeriod_4I_5I: push_word(display_set_auto_update_period(p0)); break; case getRefreshCompleteTime_4_5I: push_word(display_get_update_complete_time()); break; case bitBlt_4_1BIIII_1BIIIIIII_5V: { Object *src = word2ptr(p0); Object *dst = word2ptr(paramBase[5]); display_bitblt((byte *)(src != NULL ?jbyte_array(src):NULL), paramBase[1], paramBase[2], paramBase[3], paramBase[4], (byte *)(dst!=NULL?jbyte_array(dst):NULL), paramBase[6], paramBase[7], paramBase[8], paramBase[9], paramBase[10], paramBase[11], paramBase[12]); break; } case getSystemFont_4_5_1B: push_word(display_get_font()); break; case setContrast_4I_5V: nxt_lcd_set_pot(p0); break; case getBatteryStatus_4_5I: push_word(battery_voltage()); break; case getButtons_4_5I: push_word(buttons_get()); break; case getTachoCountById_4I_5I: push_word(nxt_motor_get_count(p0)); break; case controlMotorById_4III_5V: nxt_motor_set_speed(p0, paramBase[1], paramBase[2]); break; case resetTachoCountById_4I_5V: nxt_motor_set_count(p0, 0); break; case i2cEnableById_4II_5V: if (i2c_enable(p0, paramBase[1]) == 0) return EXEC_RETRY; else break; case i2cDisableById_4I_5V: i2c_disable(p0); break; case i2cStatusById_4I_5I: push_word(i2c_status(p0)); break; case i2cStartById_4II_1BIII_5I: { Object *p = word2obj(paramBase[2]); JBYTE *byteArray = p ? jbyte_array(p) + paramBase[3] : NULL; push_word(i2c_start(p0, paramBase[1], (U8 *)byteArray, paramBase[4], paramBase[5])); } break; case i2cCompleteById_4I_1BII_5I: { Object *p = word2ptr(paramBase[1]); JBYTE *byteArray = p ? jbyte_array(p) + paramBase[2] : NULL; push_word(i2c_complete(p0, (U8 *)byteArray, paramBase[3])); } break; case playFreq_4III_5V: sound_freq(p0,paramBase[1], paramBase[2]); break; case btGetBC4CmdMode_4_5I: push_word(bt_get_mode()); break; case btSetArmCmdMode_4I_5V: if (p0 == 0) bt_set_arm7_cmd(); else bt_clear_arm7_cmd(); break; case btSetResetLow_4_5V: bt_set_reset_low(); break; case btSetResetHigh_4_5V: bt_set_reset_high(); break; case btWrite_4_1BII_5I: { Object *p = word2ptr(p0); byte *byteArray = (byte *) jbyte_array(p); push_word(bt_write(byteArray, paramBase[1], paramBase[2])); } break; case btRead_4_1BII_5I: { Object *p = word2ptr(p0); byte *byteArray = (byte *) jbyte_array(p); push_word(bt_read(byteArray, paramBase[1], paramBase[2])); } break; case btPending_4_5I: { push_word(bt_event_check(0xffffffff)); } break; case btEnable_4_5V: if (bt_enable() == 0) return EXEC_RETRY; else break; case btDisable_4_5V: bt_disable(); break; case usbRead_4_1BII_5I: { Object *p = word2ptr(p0); byte *byteArray = (byte *) jbyte_array(p); push_word(udp_read(byteArray,paramBase[1], paramBase[2])); } break; case usbWrite_4_1BII_5I: { Object *p = word2ptr(p0); byte *byteArray = (byte *) jbyte_array(p); push_word(udp_write(byteArray,paramBase[1], paramBase[2])); } break; case usbStatus_4_5I: { push_word(udp_event_check(0xffffffff)); } break; case usbEnable_4I_5V: { udp_enable(p0); } break; case usbDisable_4_5V: { udp_disable(); } break; case usbReset_4_5V: udp_reset(); break; case usbSetSerialNo_4Ljava_3lang_3String_2_5V: { byte *p = word2ptr(p0); int len; Object *charArray = (Object *) word2ptr(get_word_4_ns(fields_start(p))); len = get_array_length(charArray); udp_set_serialno((U8 *)jchar_array(charArray), len); } break; case usbSetName_4Ljava_3lang_3String_2_5V: { byte *p = word2ptr(p0); int len; Object *charArray = (Object *) word2ptr(get_word_4_ns(fields_start(p))); len = get_array_length(charArray); udp_set_name((U8 *)jchar_array(charArray), len); } break; case flashWritePage_4_1BI_5I: { Object *p = word2ptr(p0); unsigned long *intArray = (unsigned long *) jint_array(p); push_word(flash_write_page(intArray,paramBase[1])); } break; case flashReadPage_4_1BI_5I: { Object *p = word2ptr(p0); unsigned long *intArray = (unsigned long *) jint_array(p); push_word(flash_read_page(intArray,paramBase[1])); } break; case flashExec_4II_5I: push_word(run_program((byte *)(&FLASH_BASE[(p0*FLASH_PAGE_SIZE)]), paramBase[1])); break; case playSample_4IIIII_5V: sound_play_sample(((unsigned char *) &FLASH_BASE[(p0*FLASH_PAGE_SIZE)]) + paramBase[1],paramBase[2],paramBase[3],paramBase[4]); break; case playQueuedSample_4_1BIIII_5I: push_word(sound_add_sample((U8 *)jbyte_array(word2obj(p0)) + paramBase[1],paramBase[2],paramBase[3],paramBase[4])); break; case getTime_4_5I: push_word(sound_get_time()); break; case getDataAddress_4Ljava_3lang_3Object_2_5I: if (is_array(word2obj(p0))) push_word (ptr2word ((byte *) array_start(word2ptr(p0)))); else push_word (ptr2word ((byte *) fields_start(word2ptr(p0)))); break; case getObjectAddress_4Ljava_3lang_3Object_2_5I: push_word(p0); break; case gc_4_5V: // Restartable garbage collection return garbage_collect(); case shutDown_4_5V: shutdown(); // does not return case boot_4_5V: display_clear(1); while (1) nxt_avr_firmware_update_mode(); // does not return case arraycopy_4Ljava_3lang_3Object_2ILjava_3lang_3Object_2II_5V: return arraycopy(word2ptr(p0), paramBase[1], word2ptr(paramBase[2]), paramBase[3], paramBase[4]); case executeProgram_4I_5V: // Exceute program, allow for instruction re-start return execute_program(p0); case setDebug_4_5V: set_debug(word2ptr(p0)); break; case eventOptions_4II_5I: { byte old = debugEventOptions[p0]; debugEventOptions[p0] = (byte)paramBase[1]; push_word(old); } break; case suspendThread_4Ljava_3lang_3Object_2_5V: suspend_thread(ref2ptr(p0)); break; case resumeThread_4Ljava_3lang_3Object_2_5V: resume_thread(ref2ptr(p0)); break; case getProgramExecutionsCount_4_5I: push_word(gProgramExecutions); break; case getFirmwareRevision_4_5I: push_word((STACKWORD) getRevision()); break; case getFirmwareRawVersion_4_5I: push_word((STACKWORD) VERSION_NUMBER); break; case hsEnable_4II_5V: { if (hs_enable((int)p0, (int)paramBase[1]) == 0) return EXEC_RETRY; } break; case hsDisable_4_5V: { hs_disable(); } break; case hsWrite_4_1BII_5I: { Object *p = word2ptr(p0); byte *byteArray = (byte *) jbyte_array(p); push_word(hs_write(byteArray, paramBase[1], paramBase[2])); } break; case hsRead_4_1BII_5I: { Object *p = word2ptr(p0); byte *byteArray = (byte *) jbyte_array(p); push_word(hs_read(byteArray, paramBase[1], paramBase[2])); } break; case hsPending_4_5I: { push_word(hs_pending()); } break; case hsSend_4BB_1BII_1C_5I: { Object *p = word2ptr(paramBase[2]); U8 *data = (U8 *)jbyte_array(p); p = word2ptr(paramBase[5]); U16 *crc = (U16 *)jchar_array(p); push_word(hs_send((U8) p0, (U8)paramBase[1], data, paramBase[3], paramBase[4], crc)); } break; case hsRecv_4_1BI_1CI_5I: { Object *p = word2ptr(p0); U8 *data = (U8 *)jbyte_array(p); p = word2ptr(paramBase[2]); U16 *crc = (U16 *)jchar_array(p); push_word(hs_recv(data, paramBase[1], crc, paramBase[3])); } break; case getUserPages_4_5I: push_word(FLASH_MAX_PAGES - flash_start_page); break; case setVMOptions_4I_5V: gVMOptions = p0; break; case getVMOptions_4_5I: push_word(gVMOptions); break; case isAssignable_4II_5Z: push_word(is_assignable(p0, paramBase[1])); break; case cloneObject_4Ljava_3lang_3Object_2_5Ljava_3lang_3Object_2: { Object *newObj = clone((Object *)ref2obj(p0)); if (newObj == NULL) return EXEC_RETRY; push_word(obj2ref(newObj)); } break; case memPeek_4III_5I: push_word(mem_peek(p0, paramBase[1], paramBase[2])); break; case memCopy_4Ljava_3lang_3Object_2IIII_5V: mem_copy(word2ptr(p0), paramBase[1], paramBase[2], paramBase[3], paramBase[4]); break; case memGetReference_4II_5Ljava_3lang_3Object_2: push_word(mem_get_reference(p0, paramBase[1])); break; case setSensorPin_4III_5V: sp_set(p0, paramBase[1], paramBase[2]); break; case getSensorPin_4II_5I: push_word(sp_get(p0, paramBase[1])); break; case setSensorPinMode_4III_5V: sp_set_mode(p0, paramBase[1], paramBase[2]); break; case readSensorPin_4II_5I: push_word(sp_read(p0, paramBase[1])); break; case nanoTime_4_5J: { U64 ns = systick_get_ns(); push_word(ns >> 32); push_word(ns); } break; case createStackTrace_4Ljava_3lang_3Thread_2Ljava_3lang_3Object_2_5_1I: { Object *trace = create_stack_trace((Thread *)ref2obj(p0), ref2obj(paramBase[1])); if (trace == NULL) return EXEC_RETRY; push_word(obj2ref(trace)); } break; case registerEvent_4_5I: push_word(register_event((NXTEvent *) ref2obj(p0))); break; case unregisterEvent_4_5I: push_word(unregister_event((NXTEvent *) ref2obj(p0))); break; case changeEvent_4II_5I: push_word(change_event((NXTEvent *) ref2obj(p0), paramBase[1], paramBase[2])); break; case isInitialized_4I_5Z: push_word(is_initialized_idx(p0)); break; case allocate_4II_5Ljava_3lang_3Object_2: { Object *allocated; if(paramBase[1]>0){ allocated=new_single_array(p0,paramBase[1]); }else{ allocated=new_object_for_class(p0); } if(allocated == NULL) return EXEC_RETRY; push_word(obj2ref(allocated)); } break; case memPut_4IIII_5V: store_word_ns((byte *)(memory_base[p0] + paramBase[1]), paramBase[2],paramBase[3]); break; case notifyEvent_4ILjava_3lang_3Thread_2_5Z: push_word(debug_event(paramBase[1], NULL, (Thread*) ref2obj(paramBase[2]), 0, 0, 0, 0)); break; case setThreadRequest_4Ljava_3lang_3Thread_2Llejos_3nxt_3debug_3SteppingRequest_2_5V: { Thread *th = (Thread*) ref2obj(p0); th->debugData = (REFERENCE) paramBase[1]; // currently we only get stepping requests if(paramBase[1]) th->flags |= THREAD_STEPPING; else th->flags &= ~THREAD_STEPPING; } break; case isStepping_4Ljava_3lang_3Thread_2_5Z: { Thread *th = (Thread*) ref2obj(p0); push_word(is_stepping(th)); } break; case setBreakpointList_4_1Llejos_3nxt_3debug_3Breakpoint_2I_5V: breakpoint_set_list((Breakpoint**) array_start(p0), paramBase[1]); break; case enableBreakpoint_4Llejos_3nxt_3debug_3Breakpoint_2Z_5V: breakpoint_enable((Breakpoint*) word2ptr(p0), (boolean) paramBase[1]); break; case firmwareExceptionHandler_4Ljava_3lang_3Throwable_2II_5V: firmware_exception_handler((Throwable *)p0, paramBase[1], paramBase[2]); break; case exitThread_4_5V: currentThread->state = DEAD; schedule_request(REQUEST_SWITCH_THREAD); break; case updateThreadFlags_4Ljava_3lang_3Thread_2II_5I: ((Thread *)p0)->flags |= paramBase[1]; ((Thread *)p0)->flags &= ~paramBase[2]; //printf("m %x %d\n", p0, ((Thread *)p0)->flags); push_word(((Thread *)p0)->flags); break; default: return throw_new_exception(JAVA_LANG_NOSUCHMETHODERROR); } return EXEC_CONTINUE; }
void BitmapView::MouseDown( BPoint cPosition ) { MakeFocus( true ); Icon* pcIcon = FindIcon( cPosition ); if ( pcIcon != NULL ) { if ( pcIcon->m_bSelected ) { if ( m_nHitTime + 500000 >= system_time() ) { if ( pcIcon->GetName() == "Root (List)" ) { BWindow* pcWindow = new DirWindow( BRect( 200, 150, 600, 400 ), "/" ); pcWindow->Activate(); } else if ( pcIcon->GetName() == "Root (Icon)" ) { BWindow* pcWindow = new DirIconWindow( BRect( 20, 20, 359, 220 ), "/", g_pcBackDrop ); pcWindow->Activate(); } else if ( pcIcon->GetName() == "Terminal" ) { pid_t nPid = fork(); if ( nPid == 0 ) { set_thread_priority( -1, 0 ); execlp( "cterm", "cterm", NULL ); exit( 1 ); } } else if ( pcIcon->GetName() == "Prefs" ) { pid_t nPid = fork(); if ( nPid == 0 ) { set_thread_priority( -1, 0 ); execlp( "guiprefs", "guiprefs", NULL ); exit( 1 ); } } else if ( pcIcon->GetName() == "Pulse" ) { pid_t nPid = fork(); if ( nPid == 0 ) { set_thread_priority( -1, 0 ); execlp( "pulse", "pulse", NULL ); exit( 1 ); } } else if ( pcIcon->GetName() == "Calculator" ) { pid_t nPid = fork(); if ( nPid == 0 ) { set_thread_priority( -1, 0 ); execlp( "calc", "calc", NULL ); exit( 1 ); } } else if ( pcIcon->GetName() == "Editor" ) { pid_t nPid = fork(); if ( nPid == 0 ) { set_thread_priority( -1, 0 ); execlp( "aedit", "aedit", NULL ); exit( 1 ); } } else if ( pcIcon->GetName() == "Guido" ) { pid_t nPid = fork(); if ( nPid == 0 ) { set_thread_priority( -1, 0 ); execlp( "guido", "guido", NULL ); exit( 1 ); } } } else { m_bCanDrag = true; } m_nHitTime = system_time(); return; } } for ( uint i = 0 ; i < m_cIcons.size() ; ++i ) { m_cIcons[i]->Select( this, false ); } if ( pcIcon != NULL ) { m_bCanDrag = true; pcIcon->Select( this, true ); } else { m_bSelRectActive = true; m_cSelRect = BRect( cPosition.x, cPosition.y, cPosition.x, cPosition.y ); SetDrawingMode( B_OP_INVERT ); DrawFrame( m_cSelRect, FRAME_TRANSPARENT | FRAME_THIN ); } Flush(); m_cLastPos = cPosition; m_nHitTime = system_time(); }
/* CHANGED in 2.0.7: wsgi_req is useless ! */ char *uwsgi_spool_request(struct wsgi_request *wsgi_req, char *buf, size_t len, char *body, size_t body_len) { struct timeval tv; static uint64_t internal_counter = 0; int fd = -1; struct spooler_req sr; if (len > 0xffff) { uwsgi_log("[uwsgi-spooler] args buffer is limited to 64k, use the 'body' for bigger values\n"); return NULL; } // parse the request buffer memset(&sr, 0, sizeof(struct spooler_req)); uwsgi_hooked_parse(buf, len, spooler_req_parser_hook, &sr); struct uwsgi_spooler *uspool = uwsgi.spoolers; if (!uspool) { uwsgi_log("[uwsgi-spooler] no spooler available\n"); return NULL; } // if it is a number, get the spooler by id instead of by name if (sr.spooler && sr.spooler_len) { uspool = uwsgi_get_spooler_by_name(sr.spooler, sr.spooler_len); if (!uspool) { uwsgi_log("[uwsgi-spooler] unable to find spooler \"%.*s\"\n", sr.spooler_len, sr.spooler); return NULL; } } // this lock is for threads, the pid value in filename will avoid multiprocess races uwsgi_lock(uspool->lock); // we increase it even if the request fails internal_counter++; gettimeofday(&tv, NULL); char *filename = NULL; size_t filename_len = 0; if (sr.priority && sr.priority_len) { filename_len = strlen(uspool->dir) + sr.priority_len + strlen(uwsgi.hostname) + 256; filename = uwsgi_malloc(filename_len); int ret = snprintf(filename, filename_len, "%s/%.*s", uspool->dir, (int) sr.priority_len, sr.priority); if (ret <= 0 || ret >= (int) filename_len) { uwsgi_log("[uwsgi-spooler] error generating spooler filename\n"); free(filename); uwsgi_unlock(uspool->lock); return NULL; } // no need to check for errors... (void) mkdir(filename, 0777); ret = snprintf(filename, filename_len, "%s/%.*s/uwsgi_spoolfile_on_%s_%d_%llu_%d_%llu_%llu", uspool->dir, (int)sr.priority_len, sr.priority, uwsgi.hostname, (int) getpid(), (unsigned long long) internal_counter, rand(), (unsigned long long) tv.tv_sec, (unsigned long long) tv.tv_usec); if (ret <= 0 || ret >=(int) filename_len) { uwsgi_log("[uwsgi-spooler] error generating spooler filename\n"); free(filename); uwsgi_unlock(uspool->lock); return NULL; } } else { filename_len = strlen(uspool->dir) + strlen(uwsgi.hostname) + 256; filename = uwsgi_malloc(filename_len); int ret = snprintf(filename, filename_len, "%s/uwsgi_spoolfile_on_%s_%d_%llu_%d_%llu_%llu", uspool->dir, uwsgi.hostname, (int) getpid(), (unsigned long long) internal_counter, rand(), (unsigned long long) tv.tv_sec, (unsigned long long) tv.tv_usec); if (ret <= 0 || ret >= (int) filename_len) { uwsgi_log("[uwsgi-spooler] error generating spooler filename\n"); free(filename); uwsgi_unlock(uspool->lock); return NULL; } } fd = open(filename, O_CREAT | O_EXCL | O_WRONLY, S_IRUSR | S_IWUSR); if (fd < 0) { uwsgi_error_open(filename); free(filename); uwsgi_unlock(uspool->lock); return NULL; } // now lock the file, it will no be runnable, until the lock is not removed // a race could come if the spooler take the file before fcntl is called // in such case the spooler will detect a zeroed file and will retry later if (uwsgi_fcntl_lock(fd)) { close(fd); free(filename); uwsgi_unlock(uspool->lock); return NULL; } struct uwsgi_header uh; uh.modifier1 = 17; uh.modifier2 = 0; uh.pktsize = (uint16_t) len; #ifdef __BIG_ENDIAN__ uh.pktsize = uwsgi_swap16(uh.pktsize); #endif if (write(fd, &uh, 4) != 4) { uwsgi_log("[spooler] unable to write header for %s\n", filename); goto clear; } if (write(fd, buf, len) != (ssize_t) len) { uwsgi_log("[spooler] unable to write args for %s\n", filename); goto clear; } if (body && body_len > 0) { if ((size_t) write(fd, body, body_len) != body_len) { uwsgi_log("[spooler] unable to write body for %s\n", filename); goto clear; } } if (sr.at > 0) { #ifdef __UCLIBC__ struct timespec ts[2]; ts[0].tv_sec = sr.at; ts[0].tv_nsec = 0; ts[1].tv_sec = sr.at; ts[1].tv_nsec = 0; if (futimens(fd, ts)) { uwsgi_error("uwsgi_spooler_request()/futimens()"); } #else struct timeval tv[2]; tv[0].tv_sec = sr.at; tv[0].tv_usec = 0; tv[1].tv_sec = sr.at; tv[1].tv_usec = 0; #ifdef __sun__ if (futimesat(fd, NULL, tv)) { #else if (futimes(fd, tv)) { #endif uwsgi_error("uwsgi_spooler_request()/futimes()"); } #endif } // here the file will be unlocked too close(fd); if (!uwsgi.spooler_quiet) uwsgi_log("[spooler] written %lu bytes to file %s\n", (unsigned long) len + body_len + 4, filename); // and here waiting threads can continue uwsgi_unlock(uspool->lock); /* wake up the spoolers attached to the specified dir ... (HACKY) no need to fear races, as USR1 is harmless an all of the uWSGI processes... it could be a problem if a new process takes the old pid, but modern systems should avoid that */ struct uwsgi_spooler *spoolers = uwsgi.spoolers; while (spoolers) { if (!strcmp(spoolers->dir, uspool->dir)) { if (spoolers->pid > 0 && spoolers->running == 0) { (void) kill(spoolers->pid, SIGUSR1); } } spoolers = spoolers->next; } return filename; clear: uwsgi_unlock(uspool->lock); uwsgi_error("uwsgi_spool_request()/write()"); if (unlink(filename)) { uwsgi_error("uwsgi_spool_request()/unlink()"); } free(filename); // unlock the file too close(fd); return NULL; } void spooler(struct uwsgi_spooler *uspool) { // prevent process blindly reading stdin to make mess int nullfd; // asked by Marco Beri #ifdef __HAIKU__ #ifdef UWSGI_DEBUG uwsgi_log("lowering spooler priority to %d\n", B_LOW_PRIORITY); #endif set_thread_priority(find_thread(NULL), B_LOW_PRIORITY); #else #ifdef UWSGI_DEBUG uwsgi_log("lowering spooler priority to %d\n", PRIO_MAX); #endif setpriority(PRIO_PROCESS, getpid(), PRIO_MAX); #endif nullfd = open("/dev/null", O_RDONLY); if (nullfd < 0) { uwsgi_error_open("/dev/null"); exit(1); } if (nullfd != 0) { dup2(nullfd, 0); close(nullfd); } int spooler_event_queue = event_queue_init(); int interesting_fd = -1; if (uwsgi.master_process) { event_queue_add_fd_read(spooler_event_queue, uwsgi.shared->spooler_signal_pipe[1]); } // reset the tasks counter uspool->tasks = 0; for (;;) { if (chdir(uspool->dir)) { uwsgi_error("chdir()"); exit(1); } if (uwsgi.spooler_ordered) { #ifdef __linux__ spooler_scandir(uspool, NULL); #else spooler_readdir(uspool, NULL); #endif } else { spooler_readdir(uspool, NULL); } int timeout = uwsgi.shared->spooler_frequency ? uwsgi.shared->spooler_frequency : uwsgi.spooler_frequency; if (wakeup > 0) { timeout = 0; } if (event_queue_wait(spooler_event_queue, timeout, &interesting_fd) > 0) { if (uwsgi.master_process) { if (interesting_fd == uwsgi.shared->spooler_signal_pipe[1]) { uwsgi_receive_signal(interesting_fd, "spooler", (int) getpid()); } } } // avoid races uint64_t tmp_wakeup = wakeup; if (tmp_wakeup > 0) { tmp_wakeup--; } wakeup = tmp_wakeup; } }
/**************************************************************************** REMARKS: Restore the original thread priority. ****************************************************************************/ void PMAPI PM_restoreThreadPriority( int priority) { thread_id thid = find_thread(NULL); set_thread_priority(thid, priority); }
void BrowserApp::ReadyToRun() { // Since we will essentially run the GUI... set_thread_priority(Thread(), B_DISPLAY_PRIORITY); BWebPage::InitializeOnce(); BWebPage::SetCacheModel(B_WEBKIT_CACHE_MODEL_WEB_BROWSER); BPath path; if (find_directory(B_USER_SETTINGS_DIRECTORY, &path) == B_OK && path.Append(kApplicationName) == B_OK && create_directory(path.Path(), 0777) == B_OK) { BWebSettings::SetPersistentStoragePath(path.Path()); } BString mainSettingsPath(kApplicationName); mainSettingsPath << "/Application"; fSettings = new SettingsMessage(B_USER_SETTINGS_DIRECTORY, mainSettingsPath.String()); fLastWindowFrame = fSettings->GetValue("window frame", fLastWindowFrame); BRect defaultDownloadWindowFrame(-10, -10, 365, 265); BRect downloadWindowFrame = fSettings->GetValue("downloads window frame", defaultDownloadWindowFrame); BRect settingsWindowFrame = fSettings->GetValue("settings window frame", BRect()); BRect consoleWindowFrame = fSettings->GetValue("console window frame", BRect(50, 50, 400, 300)); BRect cookieWindowFrame = fSettings->GetValue("cookie window frame", BRect(50, 50, 400, 300)); bool showDownloads = fSettings->GetValue("show downloads", false); fDownloadWindow = new DownloadWindow(downloadWindowFrame, showDownloads, fSettings); if (downloadWindowFrame == defaultDownloadWindowFrame) { // Initially put download window in lower right of screen. BRect screenFrame = BScreen().Frame(); BMessage decoratorSettings; fDownloadWindow->GetDecoratorSettings(&decoratorSettings); float borderWidth = 0; if (decoratorSettings.FindFloat("border width", &borderWidth) != B_OK) borderWidth = 5; fDownloadWindow->MoveTo(screenFrame.Width() - fDownloadWindow->Frame().Width() - borderWidth, screenFrame.Height() - fDownloadWindow->Frame().Height() - borderWidth); } fSettingsWindow = new SettingsWindow(settingsWindowFrame, fSettings); BWebPage::SetDownloadListener(BMessenger(fDownloadWindow)); fConsoleWindow = new ConsoleWindow(consoleWindowFrame); fCookieWindow = new CookieWindow(cookieWindowFrame, fContext->GetCookieJar()); fInitialized = true; int32 pagesCreated = 0; bool fullscreen = false; if (fLaunchRefsMessage) { _RefsReceived(fLaunchRefsMessage, &pagesCreated, &fullscreen); delete fLaunchRefsMessage; fLaunchRefsMessage = NULL; } // If no refs led to a new open page, open new session if set if (fSession->InitCheck() == B_OK && pagesCreated == 0) { const char* kSettingsKeyStartUpPolicy = "start up policy"; uint32 fStartUpPolicy = fSettings->GetValue(kSettingsKeyStartUpPolicy, (uint32)ResumePriorSession); if (fStartUpPolicy == StartNewSession) { PostMessage(NEW_WINDOW); } else { // otherwise, restore previous session BMessage archivedWindow; for (int i = 0; fSession->FindMessage("window", i, &archivedWindow) == B_OK; i++) { BRect frame = archivedWindow.FindRect("window frame"); BString url; archivedWindow.FindString("tab", 0, &url); BrowserWindow* window = new(std::nothrow) BrowserWindow(frame, fSettings, url, fContext); if (window != NULL) { window->Show(); pagesCreated++; for (int j = 1; archivedWindow.FindString("tab", j, &url) == B_OK; j++) { printf("Create %d:%d\n", i, j); _CreateNewTab(window, url, false); pagesCreated++; } } } } } // If previous session did not contain any window, create a new empty one. if (pagesCreated == 0) _CreateNewWindow("", fullscreen); PostMessage(PRELOAD_BROWSING_HISTORY); }