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Diffstat (limited to 'src/corelib/thread/qthread_unix.cpp')
-rw-r--r--src/corelib/thread/qthread_unix.cpp178
1 files changed, 16 insertions, 162 deletions
diff --git a/src/corelib/thread/qthread_unix.cpp b/src/corelib/thread/qthread_unix.cpp
index 811a1932d6..044eb05913 100644
--- a/src/corelib/thread/qthread_unix.cpp
+++ b/src/corelib/thread/qthread_unix.cpp
@@ -48,16 +48,7 @@
# include "../kernel/qeventdispatcher_glib_p.h"
#endif
-#ifdef Q_OS_SYMBIAN
-#include <private/qeventdispatcher_symbian_p.h>
-#else
#include <private/qeventdispatcher_unix_p.h>
-#endif
-
-#ifdef Q_OS_SYMBIAN
-#include <hal.h>
-#include <hal_data.h>
-#endif
#include "qthreadstorage.h"
@@ -68,12 +59,6 @@
#include <sched.h>
#include <errno.h>
-// You only find these enumerations on Symbian^3 onwards, so we need to provide our own
-// to remain compatible with older releases. They won't be called by pre-Sym^3 SDKs.
-
-// HALData::ENumCpus
-#define QT_HALData_ENumCpus 119
-
#ifdef Q_OS_BSD4
#include <sys/sysctl.h>
#endif
@@ -148,7 +133,16 @@ static void destroy_current_thread_data(void *p)
// this destructor function, so we need to set it back to the
// right value...
pthread_setspecific(current_thread_data_key, p);
- reinterpret_cast<QThreadData *>(p)->deref();
+ QThreadData *data = static_cast<QThreadData *>(p);
+ if (data->isAdopted) {
+ QThread *thread = data->thread;
+ Q_ASSERT(thread);
+ QThreadPrivate *thread_p = static_cast<QThreadPrivate *>(QObjectPrivate::get(thread));
+ Q_ASSERT(!thread_p->finished);
+ thread_p->finish(thread);
+ }
+ data->deref();
+
// ... but we must reset it to zero before returning so we aren't
// called again (POSIX allows implementations to call destructor
// functions repeatedly until all values are zero)
@@ -174,15 +168,10 @@ Q_DESTRUCTOR_FUNCTION(destroy_current_thread_data_key)
// Utility functions for getting, setting and clearing thread specific data.
-// In Symbian, TLS access is significantly faster than pthread_getspecific.
-// However Symbian does not have the thread destruction cleanup functionality
-// that pthread has, so pthread_setspecific is also used.
static QThreadData *get_thread_data()
{
#ifdef HAVE_TLS
return currentThreadData;
-#elif defined Q_OS_SYMBIAN
- return reinterpret_cast<QThreadData *>(Dll::Tls());
#else
pthread_once(&current_thread_data_once, create_current_thread_data_key);
return reinterpret_cast<QThreadData *>(pthread_getspecific(current_thread_data_key));
@@ -193,8 +182,6 @@ static void set_thread_data(QThreadData *data)
{
#ifdef HAVE_TLS
currentThreadData = data;
-#elif defined Q_OS_SYMBIAN
- qt_symbian_throwIfError(Dll::SetTls(data));
#endif
pthread_once(&current_thread_data_once, create_current_thread_data_key);
pthread_setspecific(current_thread_data_key, data);
@@ -204,27 +191,10 @@ static void clear_thread_data()
{
#ifdef HAVE_TLS
currentThreadData = 0;
-#elif defined Q_OS_SYMBIAN
- Dll::FreeTls();
#endif
pthread_setspecific(current_thread_data_key, 0);
}
-
-#ifdef Q_OS_SYMBIAN
-static void init_symbian_thread_handle(RThread &thread)
-{
- thread = RThread();
- TThreadId threadId = thread.Id();
- thread.Open(threadId);
-
- // Make thread handle accessible process wide
- RThread originalCloser = thread;
- thread.Duplicate(thread, EOwnerProcess);
- originalCloser.Close();
-}
-#endif
-
QThreadData *QThreadData::current()
{
QThreadData *data = get_thread_data();
@@ -251,6 +221,8 @@ QThreadData *QThreadData::current()
}
data->deref();
}
+ data->isAdopted = true;
+ data->threadId = (Qt::HANDLE)pthread_self();
if (!QCoreApplicationPrivate::theMainThread)
QCoreApplicationPrivate::theMainThread = data->thread;
}
@@ -262,9 +234,6 @@ void QAdoptedThread::init()
{
Q_D(QThread);
d->thread_id = pthread_self();
-#ifdef Q_OS_SYMBIAN
- init_symbian_thread_handle(d->data->symbian_thread_handle);
-#endif
}
/*
@@ -292,11 +261,7 @@ void QThreadPrivate::createEventDispatcher(QThreadData *data)
data->eventDispatcher = new QEventDispatcherGlib;
else
#endif
-#ifdef Q_OS_SYMBIAN
- data->eventDispatcher = new QEventDispatcherSymbian;
-#else
- data->eventDispatcher = new QEventDispatcherUNIX;
-#endif
+ data->eventDispatcher = new QEventDispatcherUNIX;
data->eventDispatcher->startingUp();
}
@@ -304,11 +269,8 @@ void QThreadPrivate::createEventDispatcher(QThreadData *data)
void *QThreadPrivate::start(void *arg)
{
- // Symbian Open C supports neither thread cancellation nor cleanup_push.
-#ifndef Q_OS_SYMBIAN
pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
pthread_cleanup_push(QThreadPrivate::finish, arg);
-#endif
QThread *thr = reinterpret_cast<QThread *>(arg);
QThreadData *data = QThreadData::get2(thr);
@@ -318,23 +280,7 @@ void *QThreadPrivate::start(void *arg)
thr->setPriority(QThread::Priority(thr->d_func()->priority & ~ThreadPriorityResetFlag));
}
-#ifdef Q_OS_SYMBIAN
- // Because Symbian Open C does not provide a way to convert between
- // RThread and pthread_t, we must delay initialization of the RThread
- // handle when creating a thread, until we are running in the new thread.
- // Here, we pick up the current thread and assign that to the handle.
- init_symbian_thread_handle(data->symbian_thread_handle);
-
- // On symbian, threads other than the main thread are non critical by default
- // This means a worker thread can crash without crashing the application - to
- // use this feature, we would need to use RThread::Logon in the main thread
- // to catch abnormal thread exit and emit the finished signal.
- // For the sake of cross platform consistency, we set the thread as process critical
- // - advanced users who want the symbian behaviour can change the critical
- // attribute of the thread again once the app gains control in run()
- User::SetCritical(User::EProcessCritical);
-#endif
-
+ data->threadId = (Qt::HANDLE)pthread_self();
set_thread_data(data);
data->ref();
@@ -347,35 +293,21 @@ void *QThreadPrivate::start(void *arg)
createEventDispatcher(data);
emit thr->started();
-#ifndef Q_OS_SYMBIAN
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
pthread_testcancel();
-#endif
thr->run();
-#ifdef Q_OS_SYMBIAN
- QThreadPrivate::finish(arg);
-#else
pthread_cleanup_pop(1);
-#endif
return 0;
}
-#ifdef Q_OS_SYMBIAN
-void QThreadPrivate::finish(void *arg, bool lockAnyway, bool closeNativeHandle)
-#else
void QThreadPrivate::finish(void *arg)
-#endif
{
QThread *thr = reinterpret_cast<QThread *>(arg);
QThreadPrivate *d = thr->d_func();
-#ifdef Q_OS_SYMBIAN
- QMutexLocker locker(lockAnyway ? &d->mutex : 0);
-#else
QMutexLocker locker(&d->mutex);
-#endif
d->isInFinish = true;
d->priority = QThread::InheritPriority;
@@ -400,10 +332,6 @@ void QThreadPrivate::finish(void *arg)
}
d->thread_id = 0;
-#ifdef Q_OS_SYMBIAN
- if (closeNativeHandle)
- d->data->symbian_thread_handle.Close();
-#endif
d->running = false;
d->finished = true;
@@ -461,21 +389,6 @@ int QThread::idealThreadCount()
#elif defined(Q_OS_INTEGRITY)
// as of aug 2008 Integrity only supports one single core CPU
cores = 1;
-#elif defined(Q_OS_SYMBIAN)
- if (QSysInfo::symbianVersion() >= QSysInfo::SV_SF_3) {
- TInt inumcpus;
- TInt err;
- err = HAL::Get((HALData::TAttribute)QT_HALData_ENumCpus, inumcpus);
- if (err != KErrNone) {
- cores = 1;
- } else if ( inumcpus <= 0 ) {
- cores = 1;
- } else {
- cores = inumcpus;
- }
- } else {
- cores = 1;
- }
#elif defined(Q_OS_VXWORKS)
// VxWorks
# if defined(QT_VXWORKS_HAS_CPUSET)
@@ -616,8 +529,7 @@ void QThread::start(Priority priority)
d->priority = priority;
-#if defined(QT_HAS_THREAD_PRIORITY_SCHEDULING) && !defined(Q_OS_SYMBIAN)
-// ### Need to implement thread sheduling and priorities for symbian os. Implementation removed for now
+#if defined(QT_HAS_THREAD_PRIORITY_SCHEDULING)
switch (priority) {
case InheritPriority:
{
@@ -659,12 +571,6 @@ void QThread::start(Priority priority)
}
#endif // QT_HAS_THREAD_PRIORITY_SCHEDULING
-#ifdef Q_OS_SYMBIAN
- if (d->stackSize == 0)
- // The default stack size on Symbian is very small, making even basic
- // operations like file I/O fail, so we increase it by default.
- d->stackSize = 0x14000; // Maximum stack size on Symbian.
-#endif
if (d->stackSize > 0) {
#if defined(_POSIX_THREAD_ATTR_STACKSIZE) && (_POSIX_THREAD_ATTR_STACKSIZE-0 > 0)
@@ -690,9 +596,7 @@ void QThread::start(Priority priority)
if (code == EPERM) {
// caller does not have permission to set the scheduling
// parameters/policy
-#ifndef Q_OS_SYMBIAN
pthread_attr_setinheritsched(&attr, PTHREAD_INHERIT_SCHED);
-#endif
code =
pthread_create(&d->thread_id, &attr, QThreadPrivate::start, this);
}
@@ -705,9 +609,6 @@ void QThread::start(Priority priority)
d->running = false;
d->finished = false;
d->thread_id = 0;
-#ifdef Q_OS_SYMBIAN
- d->data->symbian_thread_handle.Close();
-#endif
}
}
@@ -719,7 +620,6 @@ void QThread::terminate()
if (!d->thread_id)
return;
-#ifndef Q_OS_SYMBIAN
int code = pthread_cancel(d->thread_id);
if (code) {
qWarning("QThread::start: Thread termination error: %s",
@@ -727,26 +627,6 @@ void QThread::terminate()
} else {
d->terminated = true;
}
-#else
- if (!d->running)
- return;
- if (!d->terminationEnabled) {
- d->terminatePending = true;
- return;
- }
-
- d->terminated = true;
- // "false, false" meaning:
- // 1. lockAnyway = false. Don't lock the mutex because it's already locked
- // (see above).
- // 2. closeNativeSymbianHandle = false. We don't want to close the thread handle,
- // because we need it here to terminate the thread.
- QThreadPrivate::finish(this, false, false);
- d->data->symbian_thread_handle.Terminate(KErrNone);
- d->data->symbian_thread_handle.Close();
-#endif
-
-
}
bool QThread::wait(unsigned long time)
@@ -763,18 +643,6 @@ bool QThread::wait(unsigned long time)
return true;
while (d->running) {
-#ifdef Q_OS_SYMBIAN
- // Check if thread still exists. Needed because kernel will kill it without notification
- // before global statics are deleted at application exit.
- if (d->data->symbian_thread_handle.Handle()
- && d->data->symbian_thread_handle.ExitType() != EExitPending) {
- // Cannot call finish here as wait is typically called from another thread.
- // It won't be necessary anyway, as we should never get here under normal operations;
- // all QThreads are EProcessCritical and therefore cannot normally exit
- // undetected (i.e. panic) as long as all thread control is via QThread.
- return true;
- }
-#endif
if (!d->thread_done.wait(locker.mutex(), time))
return false;
}
@@ -786,25 +654,11 @@ void QThread::setTerminationEnabled(bool enabled)
QThread *thr = currentThread();
Q_ASSERT_X(thr != 0, "QThread::setTerminationEnabled()",
"Current thread was not started with QThread.");
-#ifndef Q_OS_SYMBIAN
+
Q_UNUSED(thr)
pthread_setcancelstate(enabled ? PTHREAD_CANCEL_ENABLE : PTHREAD_CANCEL_DISABLE, NULL);
if (enabled)
pthread_testcancel();
-#else
- QThreadPrivate *d = thr->d_func();
- QMutexLocker locker(&d->mutex);
- d->terminationEnabled = enabled;
- if (enabled && d->terminatePending) {
- d->terminated = true;
- // "false" meaning:
- // - lockAnyway = false. Don't lock the mutex because it's already locked
- // (see above).
- QThreadPrivate::finish(thr, false);
- locker.unlock(); // don't leave the mutex locked!
- pthread_exit(NULL);
- }
-#endif
}
void QThread::setPriority(Priority priority)