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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-05 00:01:18 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-05 00:01:18 +0000
commit42995d7bf396933ee60c5f89c354ea89cf13df0d (patch)
treecfdcea0ac57420e7baf570bfe435e107bb842541 /mcop/thread.cc
downloadarts-42995d7bf396933ee60c5f89c354ea89cf13df0d.tar.gz
arts-42995d7bf396933ee60c5f89c354ea89cf13df0d.zip
Copy of aRts for Trinity modifications
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/dependencies/arts@1070145 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'mcop/thread.cc')
-rw-r--r--mcop/thread.cc169
1 files changed, 169 insertions, 0 deletions
diff --git a/mcop/thread.cc b/mcop/thread.cc
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+ /*
+
+ Copyright (C) 2001 Stefan Westerfeld
+ stefan@space.twc.de
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ along with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ */
+
+#include "thread.h"
+#include <string.h>
+
+using namespace Arts;
+
+// Thread:
+Thread::~Thread()
+{
+ delete impl;
+}
+
+Thread_impl::~Thread_impl()
+{
+}
+
+// Mutex:
+Mutex::~Mutex()
+{
+ delete impl;
+}
+
+Mutex_impl::~Mutex_impl()
+{
+}
+
+// ThreadCondition:
+
+ThreadCondition::~ThreadCondition()
+{
+ delete impl;
+}
+
+ThreadCondition_impl::~ThreadCondition_impl()
+{
+}
+
+// Semaphore
+Semaphore::~Semaphore()
+{
+ delete impl;
+}
+
+Semaphore_impl::~Semaphore_impl()
+{
+}
+
+// No threading:
+
+namespace Arts {
+
+class SystemThreadsNoMutex_impl : public Mutex_impl {
+public:
+ void lock() {};
+ bool tryLock() { return true; };
+ void unlock() {};
+};
+
+static Thread *systemThreadsNoneCurrent = 0;
+
+class SystemThreadsNoThread_impl : public Thread_impl {
+private:
+ Thread *thread;
+public:
+ SystemThreadsNoThread_impl(Thread *thread) : thread(thread) {}
+ void setPriority(int) {}
+ void start() {
+ Thread *oldCurrent = systemThreadsNoneCurrent;
+
+ systemThreadsNoneCurrent = thread;
+ thread->run();
+ systemThreadsNoneCurrent = oldCurrent;
+ }
+ void waitDone() {}
+};
+
+class SystemThreadsNoThreadCondition_impl : public ThreadCondition_impl {
+public:
+ void wakeOne() {};
+ void wakeAll() {};
+ void wait(Mutex_impl *) {};
+};
+
+class SystemThreadsNoSemaphore_impl : public Semaphore_impl {
+public:
+ void wait() {}
+ int tryWait() { return 0; }
+ void post() {}
+ int getValue() { return 0; }
+};
+
+class SystemThreadsNone : public SystemThreads {
+public:
+ bool isMainThread() {
+ return (systemThreadsNoneCurrent == 0);
+ }
+ Mutex_impl *createMutex_impl() {
+ return new SystemThreadsNoMutex_impl();
+ }
+ Mutex_impl *createRecMutex_impl() {
+ return new SystemThreadsNoMutex_impl();
+ }
+ Thread_impl *createThread_impl(Thread *thread) {
+ return new SystemThreadsNoThread_impl(thread);
+ }
+ ThreadCondition_impl *createThreadCondition_impl() {
+ return new SystemThreadsNoThreadCondition_impl();
+ }
+ Thread *getCurrentThread() {
+ return systemThreadsNoneCurrent;
+ }
+ Semaphore_impl *createSemaphore_impl(int, int) {
+ return new SystemThreadsNoSemaphore_impl();
+ }
+};
+
+}
+
+static SystemThreadsNone systemThreadsNone;
+static SystemThreads *SystemThreads_the = 0;
+
+SystemThreads *SystemThreads::the()
+{
+ if(!SystemThreads_the) return &systemThreadsNone;
+ return SystemThreads_the;
+}
+
+bool SystemThreads::init(SystemThreads *the)
+{
+ if(SystemThreads_the)
+ return false;
+ else
+ {
+ SystemThreads_the = the;
+ return true;
+ }
+}
+
+bool SystemThreads::supported()
+{
+ return (SystemThreads_the != 0);
+}
+
+SystemThreads::~SystemThreads()
+{
+}
+
+namespace Arts { void ARTS_EXPORT *gslGlobalMutexTable = 0; }