diff options
Diffstat (limited to 'qtools/qthread_unix.cpp')
| -rw-r--r-- | qtools/qthread_unix.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/qtools/qthread_unix.cpp b/qtools/qthread_unix.cpp deleted file mode 100644 index 5871605..0000000 --- a/qtools/qthread_unix.cpp +++ /dev/null @@ -1,239 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qglobal.h" - -#if defined(_OS_HPUX_) -#include <sys/pstat.h> -#elif defined(_OS_MAC_) -#undef DEBUG -#include <CoreServices/CoreServices.h> -#elif defined(_OS_BSDI_) -#include <mach/mach_types.h> -#include <sys/systm.h> -#include <sys/types.h> -#include <sys/sysctl.h> -#endif -#include <signal.h> -#include <unistd.h> -#include <stdio.h> - -#include "qthread.h" -#include "qthread_p.h" - - -/************************************************************************** - ** QThreadPrivate - *************************************************************************/ - -QThreadPrivate::QThreadPrivate() : - running(FALSE), finished(FALSE), terminated(FALSE), stackSize(0) -{ - thread_id = 0; -} - -QThreadPrivate::~QThreadPrivate() -{ -} - -void *QThreadPrivate::start(void *arg) -{ -#ifndef __ANDROID__ - pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); -#endif - pthread_cleanup_push(QThreadPrivate::finish, arg); - - QThread *thr = reinterpret_cast<QThread *>(arg); - - thr->started(); -#ifndef __ANDROID__ - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); - pthread_testcancel(); -#endif - thr->run(); - - pthread_cleanup_pop(1); - return 0; -} - -void QThreadPrivate::finish(void *arg) -{ - QThread *thr = reinterpret_cast<QThread *>(arg); - QThreadPrivate *d = thr->d; - QMutexLocker locker(&d->mutex); - - d->running = FALSE; - d->finished = TRUE; - if (d->terminated) - thr->terminated(); - d->terminated = FALSE; - thr->finished(); - - d->thread_id = 0; - d->thread_done.wakeAll(); -} - - - - -/************************************************************************** - ** QThread - *************************************************************************/ - -void QThread::start() -{ - QMutexLocker locker(&d->mutex); - if (d->running) return; - - // Block the SIGINT signal. The threads will inherit the signal mask. - // This will avoid them catching SIGINT instead of this thread. - sigset_t sigset, oldset; - sigemptyset(&sigset); - sigaddset(&sigset, SIGINT); - pthread_sigmask(SIG_BLOCK, &sigset, &oldset); - - d->running = TRUE; - d->finished = FALSE; - - pthread_attr_t attr; - pthread_attr_init(&attr); - pthread_attr_setdetachstate(&attr,PTHREAD_CREATE_DETACHED); -#ifndef __ANDROID__ - pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED); -#endif - if (d->stackSize>0) - { -#if defined(_POSIX_THREAD_ATTR_STACKSIZE) && (_POSIX_THREAD_ATTR_STACKSIZE-0>0) - pthread_attr_setstacksize(&attr,d->stackSize); -#endif - } - int code = pthread_create(&d->thread_id, &attr, QThreadPrivate::start, this); - pthread_attr_destroy(&attr); - - if (code) - { - qWarning("QThread::start: Thread creation error: %d", code); - - d->running = FALSE; - d->finished = FALSE; - d->thread_id = 0; - } - else - { - // Restore the old signal mask only for this thread. - pthread_sigmask(SIG_SETMASK, &oldset, NULL); - } -} - -void QThread::terminate() -{ - QMutexLocker locker(&d->mutex); -#ifndef __ANDROID__ - if (!d->thread_id) return; - - int code = pthread_cancel(d->thread_id); - if (code) - { - qWarning("QThread::start: Thread termination error: %d", code); - } - else - { - d->terminated = TRUE; - } -#endif -} - -void QThread::wait() -{ - QMutexLocker locker(&d->mutex); - if (d->finished || !d->running) return; - - while (d->running) - { - d->thread_done.wait(locker.mutex()); - } -} - -#if defined(QT_LINUXBASE) && !defined(_SC_NPROCESSORS_ONLN) -// LSB doesn't define _SC_NPROCESSORS_ONLN. -# define _SC_NPROCESSORS_ONLN 84 -#endif - -int QThread::idealThreadCount() -{ - int cores = -1; -#if defined(_OS_MAC_) - // Mac OS X - cores = (int)MPProcessorsScheduled(); -#elif defined(_OS_HPUX_) - // HP-UX - struct pst_dynamic psd; - if (pstat_getdynamic(&psd, sizeof(psd), 1, 0) == -1) - { - perror("pstat_getdynamic"); - cores = -1; - } - else - { - cores = (int)psd.psd_proc_cnt; - } -#elif defined(_OS_BSDI_) - // FreeBSD, OpenBSD, NetBSD, BSD/OS - size_t len = sizeof(cores); - int mib[2]; - mib[0] = CTL_HW; - mib[1] = HW_NCPU; - - if (sysctl(mib, 2, &cores, &len, NULL, 0) != 0) - { - perror("sysctl"); - cores = -1; - } -#elif defined(_OS_IRIX_) - // IRIX - cores = (int)sysconf(_SC_NPROC_ONLN); -#else - // the rest: Linux, Solaris, AIX, Tru64 - cores = (int)sysconf(_SC_NPROCESSORS_ONLN); -#endif - return cores; -} - |