add getAffinity method

throw NotImplementedException on unsupported platforms
This commit is contained in:
bas524
2015-03-05 18:11:56 +03:00
parent 158aaab180
commit 888abad26c
7 changed files with 951 additions and 884 deletions

View File

@@ -23,7 +23,7 @@
#include "Poco/Foundation.h" #include "Poco/Foundation.h"
#include "Poco/Event.h" #include "Poco/Event.h"
#include "Poco/Mutex.h" #include "Poco/Mutex.h"
#include "Poco/Environment.h"
#if defined(POCO_OS_FAMILY_WINDOWS) #if defined(POCO_OS_FAMILY_WINDOWS)
#if defined(_WIN32_WCE) #if defined(_WIN32_WCE)
@@ -46,228 +46,228 @@ class ThreadLocalStorage;
class Foundation_API Thread: private ThreadImpl class Foundation_API Thread: private ThreadImpl
/// This class implements a platform-independent /// This class implements a platform-independent
/// wrapper to an operating system thread. /// wrapper to an operating system thread.
/// ///
/// Every Thread object gets a unique (within /// Every Thread object gets a unique (within
/// its process) numeric thread ID. /// its process) numeric thread ID.
/// Furthermore, a thread can be assigned a name. /// Furthermore, a thread can be assigned a name.
/// The name of a thread can be changed at any time. /// The name of a thread can be changed at any time.
{ {
public: public:
typedef ThreadImpl::TIDImpl TID; typedef ThreadImpl::TIDImpl TID;
using ThreadImpl::Callable; using ThreadImpl::Callable;
enum Priority enum Priority
/// Thread priorities. /// Thread priorities.
{ {
PRIO_LOWEST = PRIO_LOWEST_IMPL, /// The lowest thread priority. PRIO_LOWEST = PRIO_LOWEST_IMPL, /// The lowest thread priority.
PRIO_LOW = PRIO_LOW_IMPL, /// A lower than normal thread priority. PRIO_LOW = PRIO_LOW_IMPL, /// A lower than normal thread priority.
PRIO_NORMAL = PRIO_NORMAL_IMPL, /// The normal thread priority. PRIO_NORMAL = PRIO_NORMAL_IMPL, /// The normal thread priority.
PRIO_HIGH = PRIO_HIGH_IMPL, /// A higher than normal thread priority. PRIO_HIGH = PRIO_HIGH_IMPL, /// A higher than normal thread priority.
PRIO_HIGHEST = PRIO_HIGHEST_IMPL /// The highest thread priority. PRIO_HIGHEST = PRIO_HIGHEST_IMPL /// The highest thread priority.
}; };
enum Policy
{
POLICY_DEFAULT = POLICY_DEFAULT_IMPL
};
Thread(); enum Policy
/// Creates a thread. Call start() to start it. {
POLICY_DEFAULT = POLICY_DEFAULT_IMPL
Thread(const std::string& name); };
/// Creates a named thread. Call start() to start it.
~Thread();
/// Destroys the thread.
int id() const; Thread();
/// Returns the unique thread ID of the thread. /// Creates a thread. Call start() to start it.
TID tid() const; Thread(const std::string& name);
/// Returns the native thread ID of the thread. /// Creates a named thread. Call start() to start it.
std::string name() const; ~Thread();
/// Returns the name of the thread. /// Destroys the thread.
std::string getName() const; int id() const;
/// Returns the name of the thread. /// Returns the unique thread ID of the thread.
void setName(const std::string& name); TID tid() const;
/// Sets the name of the thread. /// Returns the native thread ID of the thread.
void setPriority(Priority prio); std::string name() const;
/// Sets the thread's priority. /// Returns the name of the thread.
///
/// Some platform only allow changing a thread's priority
/// if the process has certain privileges.
Priority getPriority() const; std::string getName() const;
/// Returns the thread's priority. /// Returns the name of the thread.
void setOSPriority(int prio, int policy = POLICY_DEFAULT); void setName(const std::string& name);
/// Sets the thread's priority, using an operating system specific /// Sets the name of the thread.
/// priority value. Use getMinOSPriority() and getMaxOSPriority() to
/// obtain mininum and maximum priority values. Additionally,
/// a scheduling policy can be specified. The policy is currently
/// only used on POSIX platforms where the values SCHED_OTHER (default),
/// SCHED_FIFO and SCHED_RR are supported.
int getOSPriority() const;
/// Returns the thread's priority, expressed as an operating system
/// specific priority value.
///
/// May return 0 if the priority has not been explicitly set.
static int getMinOSPriority(int policy = POLICY_DEFAULT);
/// Returns the minimum operating system-specific priority value,
/// which can be passed to setOSPriority() for the given policy.
static int getMaxOSPriority(int policy = POLICY_DEFAULT);
/// Returns the maximum operating system-specific priority value,
/// which can be passed to setOSPriority() for the given policy.
void setStackSize(int size); void setPriority(Priority prio);
/// Sets the thread's stack size in bytes. /// Sets the thread's priority.
/// Setting the stack size to 0 will use the default stack size. ///
/// Typically, the real stack size is rounded up to the nearest /// Some platform only allow changing a thread's priority
/// page size multiple. /// if the process has certain privileges.
Priority getPriority() const;
/// Returns the thread's priority.
void setOSPriority(int prio, int policy = POLICY_DEFAULT);
/// Sets the thread's priority, using an operating system specific
/// priority value. Use getMinOSPriority() and getMaxOSPriority() to
/// obtain mininum and maximum priority values. Additionally,
/// a scheduling policy can be specified. The policy is currently
/// only used on POSIX platforms where the values SCHED_OTHER (default),
/// SCHED_FIFO and SCHED_RR are supported.
int getOSPriority() const;
/// Returns the thread's priority, expressed as an operating system
/// specific priority value.
///
/// May return 0 if the priority has not been explicitly set.
static int getMinOSPriority(int policy = POLICY_DEFAULT);
/// Returns the minimum operating system-specific priority value,
/// which can be passed to setOSPriority() for the given policy.
static int getMaxOSPriority(int policy = POLICY_DEFAULT);
/// Returns the maximum operating system-specific priority value,
/// which can be passed to setOSPriority() for the given policy.
void setStackSize(int size);
/// Sets the thread's stack size in bytes.
/// Setting the stack size to 0 will use the default stack size.
/// Typically, the real stack size is rounded up to the nearest
/// page size multiple.
void setAffinity(unsigned int cpu); void setAffinity(unsigned int cpu);
/// Limit specified thread to run only on the processors "cpu" /// Limit specified thread to run only on the processors "cpu"
/// cpu - processor (core) number /// cpu - processor (core) number
/// Method would Throw SystemException if affinity did not setted /// Method would Throw SystemException if affinity did not setted
int getStackSize() const; int getStackSize() const;
/// Returns the thread's stack size in bytes. /// Returns the thread's stack size in bytes.
/// If the default stack size is used, 0 is returned. /// If the default stack size is used, 0 is returned.
void start(Runnable& target); void start(Runnable& target);
/// Starts the thread with the given target. /// Starts the thread with the given target.
/// ///
/// Note that the given Runnable object must remain /// Note that the given Runnable object must remain
/// valid during the entire lifetime of the thread, as /// valid during the entire lifetime of the thread, as
/// only a reference to it is stored internally. /// only a reference to it is stored internally.
void start(Callable target, void* pData = 0); void start(Callable target, void* pData = 0);
/// Starts the thread with the given target and parameter. /// Starts the thread with the given target and parameter.
template <class Functor> template <class Functor>
void startFunc(Functor fn) void startFunc(Functor fn)
/// Starts the thread with the given functor object or lambda. /// Starts the thread with the given functor object or lambda.
{ {
startImpl(new FunctorRunnable<Functor>(fn)); startImpl(new FunctorRunnable<Functor>(fn));
} }
void join(); void join();
/// Waits until the thread completes execution. /// Waits until the thread completes execution.
/// If multiple threads try to join the same /// If multiple threads try to join the same
/// thread, the result is undefined. /// thread, the result is undefined.
void join(long milliseconds);
/// Waits for at most the given interval for the thread
/// to complete. Throws a TimeoutException if the thread
/// does not complete within the specified time interval.
bool tryJoin(long milliseconds);
/// Waits for at most the given interval for the thread
/// to complete. Returns true if the thread has finished,
/// false otherwise.
bool isRunning() const; void join(long milliseconds);
/// Returns true if the thread is running. /// Waits for at most the given interval for the thread
/// to complete. Throws a TimeoutException if the thread
/// does not complete within the specified time interval.
static bool trySleep(long milliseconds); bool tryJoin(long milliseconds);
/// Starts an interruptible sleep. When trySleep() is called, /// Waits for at most the given interval for the thread
/// the thread will remain suspended until: /// to complete. Returns true if the thread has finished,
/// - the timeout expires or /// false otherwise.
/// - wakeUp() is called
///
/// Function returns true if sleep attempt was completed, false
/// if sleep was interrupted by a wakeUp() call.
/// A frequent scenario where trySleep()/wakeUp() pair of functions
/// is useful is with threads spending most of the time idle,
/// with periodic activity between the idle times; trying to sleep
/// (as opposed to sleeping) allows immediate ending of idle thread
/// from the outside.
///
/// The trySleep() and wakeUp() calls should be used with
/// understanding that the suspended state is not a true sleep,
/// but rather a state of waiting for an event, with timeout
/// expiration. This makes order of calls significant; calling
/// wakeUp() before calling trySleep() will prevent the next
/// trySleep() call to actually suspend the thread (which, in
/// some scenarios, may be desirable behavior).
void wakeUp(); bool isRunning() const;
/// Wakes up the thread which is in the state of interruptible /// Returns true if the thread is running.
/// sleep. For threads that are not suspended, calling this
/// function has the effect of preventing the subsequent
/// trySleep() call to put thread in a suspended state.
static void sleep(long milliseconds); static bool trySleep(long milliseconds);
/// Suspends the current thread for the specified /// Starts an interruptible sleep. When trySleep() is called,
/// amount of time. /// the thread will remain suspended until:
/// - the timeout expires or
/// - wakeUp() is called
///
/// Function returns true if sleep attempt was completed, false
/// if sleep was interrupted by a wakeUp() call.
/// A frequent scenario where trySleep()/wakeUp() pair of functions
/// is useful is with threads spending most of the time idle,
/// with periodic activity between the idle times; trying to sleep
/// (as opposed to sleeping) allows immediate ending of idle thread
/// from the outside.
///
/// The trySleep() and wakeUp() calls should be used with
/// understanding that the suspended state is not a true sleep,
/// but rather a state of waiting for an event, with timeout
/// expiration. This makes order of calls significant; calling
/// wakeUp() before calling trySleep() will prevent the next
/// trySleep() call to actually suspend the thread (which, in
/// some scenarios, may be desirable behavior).
static void yield(); void wakeUp();
/// Yields cpu to other threads. /// Wakes up the thread which is in the state of interruptible
/// sleep. For threads that are not suspended, calling this
/// function has the effect of preventing the subsequent
/// trySleep() call to put thread in a suspended state.
static Thread* current(); static void sleep(long milliseconds);
/// Returns the Thread object for the currently active thread. /// Suspends the current thread for the specified
/// If the current thread is the main thread, 0 is returned. /// amount of time.
static TID currentTid(); static void yield();
/// Returns the native thread ID for the current thread. /// Yields cpu to other threads.
static Thread* current();
/// Returns the Thread object for the currently active thread.
/// If the current thread is the main thread, 0 is returned.
static TID currentTid();
/// Returns the native thread ID for the current thread.
protected: protected:
ThreadLocalStorage& tls(); ThreadLocalStorage& tls();
/// Returns a reference to the thread's local storage. /// Returns a reference to the thread's local storage.
void clearTLS(); void clearTLS();
/// Clears the thread's local storage. /// Clears the thread's local storage.
std::string makeName(); std::string makeName();
/// Creates a unique name for a thread. /// Creates a unique name for a thread.
static int uniqueId();
/// Creates and returns a unique id for a thread.
template <class Functor> static int uniqueId();
class FunctorRunnable: public Runnable /// Creates and returns a unique id for a thread.
{
public:
FunctorRunnable(const Functor& functor):
_functor(functor)
{
}
~FunctorRunnable() template <class Functor>
{ class FunctorRunnable: public Runnable
} {
public:
FunctorRunnable(const Functor& functor):
_functor(functor)
{
}
void run() ~FunctorRunnable()
{ {
_functor(); }
}
void run()
private: {
Functor _functor; _functor();
}; }
private:
Functor _functor;
};
private: private:
Thread(const Thread&); Thread(const Thread&);
Thread& operator = (const Thread&); Thread& operator = (const Thread&);
int _id; int _id;
std::string _name; std::string _name;
ThreadLocalStorage* _pTLS; ThreadLocalStorage* _pTLS;
Event _event; Event _event;
mutable FastMutex _mutex; mutable FastMutex _mutex;
friend class ThreadLocalStorage; friend class ThreadLocalStorage;
friend class PooledThread; friend class PooledThread;
}; };
@@ -276,98 +276,98 @@ private:
// //
inline Thread::TID Thread::tid() const inline Thread::TID Thread::tid() const
{ {
return tidImpl(); return tidImpl();
} }
inline int Thread::id() const inline int Thread::id() const
{ {
return _id; return _id;
} }
inline std::string Thread::name() const inline std::string Thread::name() const
{ {
FastMutex::ScopedLock lock(_mutex); FastMutex::ScopedLock lock(_mutex);
return _name; return _name;
} }
inline std::string Thread::getName() const inline std::string Thread::getName() const
{ {
FastMutex::ScopedLock lock(_mutex); FastMutex::ScopedLock lock(_mutex);
return _name; return _name;
} }
inline bool Thread::isRunning() const inline bool Thread::isRunning() const
{ {
return isRunningImpl(); return isRunningImpl();
} }
inline void Thread::sleep(long milliseconds) inline void Thread::sleep(long milliseconds)
{ {
sleepImpl(milliseconds); sleepImpl(milliseconds);
} }
inline void Thread::yield() inline void Thread::yield()
{ {
yieldImpl(); yieldImpl();
} }
inline Thread* Thread::current() inline Thread* Thread::current()
{ {
return static_cast<Thread*>(currentImpl()); return static_cast<Thread*>(currentImpl());
} }
inline void Thread::setOSPriority(int prio, int policy) inline void Thread::setOSPriority(int prio, int policy)
{ {
setOSPriorityImpl(prio, policy); setOSPriorityImpl(prio, policy);
} }
inline int Thread::getOSPriority() const inline int Thread::getOSPriority() const
{ {
return getOSPriorityImpl(); return getOSPriorityImpl();
} }
inline int Thread::getMinOSPriority(int policy) inline int Thread::getMinOSPriority(int policy)
{ {
return ThreadImpl::getMinOSPriorityImpl(policy); return ThreadImpl::getMinOSPriorityImpl(policy);
} }
inline int Thread::getMaxOSPriority(int policy) inline int Thread::getMaxOSPriority(int policy)
{ {
return ThreadImpl::getMaxOSPriorityImpl(policy); return ThreadImpl::getMaxOSPriorityImpl(policy);
} }
inline void Thread::setStackSize(int size) inline void Thread::setStackSize(int size)
{ {
setStackSizeImpl(size); setStackSizeImpl(size);
} }
inline void Thread::setAffinity(unsigned int cpu) { inline void Thread::setAffinity(unsigned int cpu) {
setAffinityImpl(cpu); setAffinityImpl(cpu);
} }
inline int Thread::getStackSize() const inline int Thread::getStackSize() const
{ {
return getStackSizeImpl(); return getStackSizeImpl();
} }
inline Thread::TID Thread::currentTid() inline Thread::TID Thread::currentTid()
{ {
return currentTidImpl(); return currentTidImpl();
} }

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@@ -44,113 +44,114 @@ namespace Poco {
class Foundation_API ThreadImpl class Foundation_API ThreadImpl
{ {
public: public:
typedef pthread_t TIDImpl; typedef pthread_t TIDImpl;
typedef void (*Callable)(void*); typedef void (*Callable)(void*);
enum Priority enum Priority
{ {
PRIO_LOWEST_IMPL, PRIO_LOWEST_IMPL,
PRIO_LOW_IMPL, PRIO_LOW_IMPL,
PRIO_NORMAL_IMPL, PRIO_NORMAL_IMPL,
PRIO_HIGH_IMPL, PRIO_HIGH_IMPL,
PRIO_HIGHEST_IMPL PRIO_HIGHEST_IMPL
}; };
enum Policy
{
POLICY_DEFAULT_IMPL = SCHED_OTHER
};
ThreadImpl();
~ThreadImpl();
TIDImpl tidImpl() const; enum Policy
void setPriorityImpl(int prio); {
int getPriorityImpl() const; POLICY_DEFAULT_IMPL = SCHED_OTHER
void setOSPriorityImpl(int prio, int policy = SCHED_OTHER); };
int getOSPriorityImpl() const;
static int getMinOSPriorityImpl(int policy); ThreadImpl();
static int getMaxOSPriorityImpl(int policy); ~ThreadImpl();
void setStackSizeImpl(int size);
int getStackSizeImpl() const; TIDImpl tidImpl() const;
void setAffinityImpl(unsigned int cpu); void setPriorityImpl(int prio);
void startImpl(SharedPtr<Runnable> pTarget); int getPriorityImpl() const;
void joinImpl(); void setOSPriorityImpl(int prio, int policy = SCHED_OTHER);
bool joinImpl(long milliseconds); int getOSPriorityImpl() const;
bool isRunningImpl() const; static int getMinOSPriorityImpl(int policy);
static void sleepImpl(long milliseconds); static int getMaxOSPriorityImpl(int policy);
static void yieldImpl(); void setStackSizeImpl(int size);
static ThreadImpl* currentImpl(); int getStackSizeImpl() const;
static TIDImpl currentTidImpl(); void setAffinityImpl(unsigned cpu);
unsigned getAffinityImpl() const;
void startImpl(SharedPtr<Runnable> pTarget);
void joinImpl();
bool joinImpl(long milliseconds);
bool isRunningImpl() const;
static void sleepImpl(long milliseconds);
static void yieldImpl();
static ThreadImpl* currentImpl();
static TIDImpl currentTidImpl();
protected: protected:
static void* runnableEntry(void* pThread); static void* runnableEntry(void* pThread);
static int mapPrio(int prio, int policy = SCHED_OTHER); static int mapPrio(int prio, int policy = SCHED_OTHER);
static int reverseMapPrio(int osPrio, int policy = SCHED_OTHER); static int reverseMapPrio(int osPrio, int policy = SCHED_OTHER);
private: private:
class CurrentThreadHolder class CurrentThreadHolder
{ {
public: public:
CurrentThreadHolder() CurrentThreadHolder()
{ {
if (pthread_key_create(&_key, NULL)) if (pthread_key_create(&_key, NULL))
throw SystemException("cannot allocate thread context key"); throw SystemException("cannot allocate thread context key");
} }
~CurrentThreadHolder() ~CurrentThreadHolder()
{ {
pthread_key_delete(_key); pthread_key_delete(_key);
} }
ThreadImpl* get() const ThreadImpl* get() const
{ {
return reinterpret_cast<ThreadImpl*>(pthread_getspecific(_key)); return reinterpret_cast<ThreadImpl*>(pthread_getspecific(_key));
} }
void set(ThreadImpl* pThread) void set(ThreadImpl* pThread)
{ {
pthread_setspecific(_key, pThread); pthread_setspecific(_key, pThread);
} }
private:
pthread_key_t _key;
};
struct ThreadData: public RefCountedObject private:
{ pthread_key_t _key;
ThreadData(): };
thread(0),
prio(PRIO_NORMAL_IMPL),
policy(SCHED_OTHER),
done(Event::EVENT_MANUALRESET),
stackSize(POCO_THREAD_STACK_SIZE),
started(false),
joined(false)
{
#if defined(POCO_VXWORKS)
// This workaround is for VxWorks 5.x where
// pthread_init() won't properly initialize the thread.
std::memset(&thread, 0, sizeof(thread));
#endif
}
SharedPtr<Runnable> pRunnableTarget; struct ThreadData: public RefCountedObject
pthread_t thread; {
int prio; ThreadData():
int osPrio; thread(0),
int policy; prio(PRIO_NORMAL_IMPL),
Event done; policy(SCHED_OTHER),
std::size_t stackSize; done(Event::EVENT_MANUALRESET),
bool started; stackSize(POCO_THREAD_STACK_SIZE),
bool joined; started(false),
}; joined(false)
{
#if defined(POCO_VXWORKS)
// This workaround is for VxWorks 5.x where
// pthread_init() won't properly initialize the thread.
std::memset(&thread, 0, sizeof(thread));
#endif
}
AutoPtr<ThreadData> _pData; SharedPtr<Runnable> pRunnableTarget;
pthread_t thread;
int prio;
int osPrio;
int policy;
Event done;
std::size_t stackSize;
bool started;
bool joined;
};
AutoPtr<ThreadData> _pData;
static CurrentThreadHolder _currentThreadHolder;
static CurrentThreadHolder _currentThreadHolder;
#if defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS) #if defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS)
SignalHandler::JumpBufferVec _jumpBufferVec; SignalHandler::JumpBufferVec _jumpBufferVec;
friend class SignalHandler; friend class SignalHandler;
#endif #endif
}; };
@@ -160,37 +161,37 @@ private:
// //
inline int ThreadImpl::getPriorityImpl() const inline int ThreadImpl::getPriorityImpl() const
{ {
return _pData->prio; return _pData->prio;
} }
inline int ThreadImpl::getOSPriorityImpl() const inline int ThreadImpl::getOSPriorityImpl() const
{ {
return _pData->osPrio; return _pData->osPrio;
} }
inline bool ThreadImpl::isRunningImpl() const inline bool ThreadImpl::isRunningImpl() const
{ {
return !_pData->pRunnableTarget.isNull(); return !_pData->pRunnableTarget.isNull();
} }
inline void ThreadImpl::yieldImpl() inline void ThreadImpl::yieldImpl()
{ {
sched_yield(); sched_yield();
} }
inline int ThreadImpl::getStackSizeImpl() const inline int ThreadImpl::getStackSizeImpl() const
{ {
return static_cast<int>(_pData->stackSize); return static_cast<int>(_pData->stackSize);
} }
inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const
{ {
return _pData->thread; return _pData->thread;
} }

View File

@@ -35,94 +35,96 @@ namespace Poco {
class Foundation_API ThreadImpl class Foundation_API ThreadImpl
{ {
public: public:
typedef int TIDImpl; typedef int TIDImpl;
typedef void (*Callable)(void*); typedef void (*Callable)(void*);
enum Priority enum Priority
{ {
PRIO_LOWEST_IMPL, PRIO_LOWEST_IMPL,
PRIO_LOW_IMPL, PRIO_LOW_IMPL,
PRIO_NORMAL_IMPL, PRIO_NORMAL_IMPL,
PRIO_HIGH_IMPL, PRIO_HIGH_IMPL,
PRIO_HIGHEST_IMPL PRIO_HIGHEST_IMPL
}; };
enum Policy enum Policy
{ {
POLICY_DEFAULT_IMPL = 0 POLICY_DEFAULT_IMPL = 0
}; };
enum enum
{ {
DEFAULT_THREAD_STACK_SIZE = 65536 DEFAULT_THREAD_STACK_SIZE = 65536
}; };
struct CallbackData: public RefCountedObject struct CallbackData: public RefCountedObject
{ {
CallbackData(): callback(0), pData(0) CallbackData(): callback(0), pData(0)
{ {
} }
Callable callback; Callable callback;
void* pData; void* pData;
}; };
ThreadImpl(); ThreadImpl();
~ThreadImpl(); ~ThreadImpl();
TIDImpl tidImpl() const; TIDImpl tidImpl() const;
void setPriorityImpl(int prio); void setPriorityImpl(int prio);
int getPriorityImpl() const; int getPriorityImpl() const;
void setOSPriorityImpl(int prio, int policy = 0); void setOSPriorityImpl(int prio, int policy = 0);
int getOSPriorityImpl() const; int getOSPriorityImpl() const;
static int getMinOSPriorityImpl(int policy); static int getMinOSPriorityImpl(int policy);
static int getMaxOSPriorityImpl(int policy); static int getMaxOSPriorityImpl(int policy);
void setStackSizeImpl(int size); void setStackSizeImpl(int size);
int getStackSizeImpl() const; int getStackSizeImpl() const;
void setAffinityImpl(unsigned int cpu); void setAffinityImpl(unsigned cpu);
void startImpl(Runnable& target); unsigned getAffinityImpl() const;
void startImpl(Callable target, void* pData = 0);
void joinImpl(); void startImpl(Runnable& target);
bool joinImpl(long milliseconds); void startImpl(Callable target, void* pData = 0);
bool isRunningImpl() const;
static void sleepImpl(long milliseconds); void joinImpl();
static void yieldImpl(); bool joinImpl(long milliseconds);
static ThreadImpl* currentImpl(); bool isRunningImpl() const;
static TIDImpl currentTidImpl(); static void sleepImpl(long milliseconds);
static void yieldImpl();
static ThreadImpl* currentImpl();
static TIDImpl currentTidImpl();
protected: protected:
static void runnableEntry(void* pThread, int, int, int, int, int, int, int, int, int); static void runnableEntry(void* pThread, int, int, int, int, int, int, int, int, int);
static void callableEntry(void* pThread, int, int, int, int, int, int, int, int, int); static void callableEntry(void* pThread, int, int, int, int, int, int, int, int, int);
static int mapPrio(int prio); static int mapPrio(int prio);
static int reverseMapPrio(int osPrio); static int reverseMapPrio(int osPrio);
struct ThreadData: public RefCountedObject struct ThreadData: public RefCountedObject
{ {
ThreadData(): ThreadData():
pRunnableTarget(0), pRunnableTarget(0),
pCallbackTarget(0), pCallbackTarget(0),
task(0), task(0),
prio(PRIO_NORMAL_IMPL), prio(PRIO_NORMAL_IMPL),
osPrio(127), osPrio(127),
done(false), done(false),
stackSize(POCO_THREAD_STACK_SIZE) stackSize(POCO_THREAD_STACK_SIZE)
{ {
} }
Runnable* pRunnableTarget; Runnable* pRunnableTarget;
AutoPtr<CallbackData> pCallbackTarget; AutoPtr<CallbackData> pCallbackTarget;
int task; int task;
int prio; int prio;
int osPrio; int osPrio;
Event done; Event done;
int stackSize; int stackSize;
}; };
private: private:
AutoPtr<ThreadData> _pData; AutoPtr<ThreadData> _pData;
static ThreadImpl* _pCurrent; static ThreadImpl* _pCurrent;
}; };
@@ -131,43 +133,48 @@ private:
// //
inline int ThreadImpl::getPriorityImpl() const inline int ThreadImpl::getPriorityImpl() const
{ {
return _pData->prio; return _pData->prio;
} }
inline int ThreadImpl::getOSPriorityImpl() const inline int ThreadImpl::getOSPriorityImpl() const
{ {
return _pData->osPrio; return _pData->osPrio;
} }
inline void ThreadImpl::setAffinityImpl(unsigned int cpu) inline void ThreadImpl::setAffinityImpl(unsigned cpu)
{ {
// TODO : create implementation (void)cpu;
(void)cpu; throw Poco::NotImplementedException("Thread affinity not supported on this system");
}
inline unsigned ThreadImpl::getAffinityImpl()
{
throw Poco::NotImplementedException("Thread affinity not supported on this system");
} }
inline bool ThreadImpl::isRunningImpl() const inline bool ThreadImpl::isRunningImpl() const
{ {
return _pData->pRunnableTarget != 0 || return _pData->pRunnableTarget != 0 ||
(_pData->pCallbackTarget.get() != 0 && _pData->pCallbackTarget->callback != 0); (_pData->pCallbackTarget.get() != 0 && _pData->pCallbackTarget->callback != 0);
} }
inline void ThreadImpl::yieldImpl() inline void ThreadImpl::yieldImpl()
{ {
taskDelay(0); taskDelay(0);
} }
inline int ThreadImpl::getStackSizeImpl() const inline int ThreadImpl::getStackSizeImpl() const
{ {
return _pData->stackSize; return _pData->stackSize;
} }
inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const
{ {
return _pData->task; return _pData->task;
} }

View File

@@ -31,95 +31,96 @@ namespace Poco {
class Foundation_API ThreadImpl class Foundation_API ThreadImpl
{ {
public: public:
typedef DWORD TIDImpl; typedef DWORD TIDImpl;
typedef void (*Callable)(void*); typedef void (*Callable)(void*);
#if defined(_DLL) #if defined(_DLL)
typedef DWORD (WINAPI *Entry)(LPVOID); typedef DWORD (WINAPI *Entry)(LPVOID);
#else #else
typedef unsigned (__stdcall *Entry)(void*); typedef unsigned (__stdcall *Entry)(void*);
#endif #endif
enum Priority enum Priority
{ {
PRIO_LOWEST_IMPL = THREAD_PRIORITY_LOWEST, PRIO_LOWEST_IMPL = THREAD_PRIORITY_LOWEST,
PRIO_LOW_IMPL = THREAD_PRIORITY_BELOW_NORMAL, PRIO_LOW_IMPL = THREAD_PRIORITY_BELOW_NORMAL,
PRIO_NORMAL_IMPL = THREAD_PRIORITY_NORMAL, PRIO_NORMAL_IMPL = THREAD_PRIORITY_NORMAL,
PRIO_HIGH_IMPL = THREAD_PRIORITY_ABOVE_NORMAL, PRIO_HIGH_IMPL = THREAD_PRIORITY_ABOVE_NORMAL,
PRIO_HIGHEST_IMPL = THREAD_PRIORITY_HIGHEST PRIO_HIGHEST_IMPL = THREAD_PRIORITY_HIGHEST
}; };
enum Policy enum Policy
{ {
POLICY_DEFAULT_IMPL = 0 POLICY_DEFAULT_IMPL = 0
}; };
ThreadImpl(); ThreadImpl();
~ThreadImpl(); ~ThreadImpl();
TIDImpl tidImpl() const;
void setPriorityImpl(int prio);
int getPriorityImpl() const;
void setOSPriorityImpl(int prio, int policy = 0);
int getOSPriorityImpl() const;
static int getMinOSPriorityImpl(int policy);
static int getMaxOSPriorityImpl(int policy);
void setStackSizeImpl(int size);
void setAffinityImpl(unsigned cpu);
unsigned getAffinityImpl() const;
int getStackSizeImpl() const;
void startImpl(SharedPtr<Runnable> pTarget);
void joinImpl();
bool joinImpl(long milliseconds);
bool isRunningImpl() const;
static void sleepImpl(long milliseconds);
static void yieldImpl();
static ThreadImpl* currentImpl();
static TIDImpl currentTidImpl();
TIDImpl tidImpl() const;
void setPriorityImpl(int prio);
int getPriorityImpl() const;
void setOSPriorityImpl(int prio, int policy = 0);
int getOSPriorityImpl() const;
static int getMinOSPriorityImpl(int policy);
static int getMaxOSPriorityImpl(int policy);
void setStackSizeImpl(int size);
void setAffinityImpl(unsigned int cpu);
int getStackSizeImpl() const;
void startImpl(SharedPtr<Runnable> pTarget);
void joinImpl();
bool joinImpl(long milliseconds);
bool isRunningImpl() const;
static void sleepImpl(long milliseconds);
static void yieldImpl();
static ThreadImpl* currentImpl();
static TIDImpl currentTidImpl();
protected: protected:
#if defined(_DLL) #if defined(_DLL)
static DWORD WINAPI runnableEntry(LPVOID pThread); static DWORD WINAPI runnableEntry(LPVOID pThread);
#else #else
static unsigned __stdcall runnableEntry(void* pThread); static unsigned __stdcall runnableEntry(void* pThread);
#endif #endif
void createImpl(Entry ent, void* pData); void createImpl(Entry ent, void* pData);
void threadCleanup(); void threadCleanup();
private: private:
class CurrentThreadHolder class CurrentThreadHolder
{ {
public: public:
CurrentThreadHolder(): _slot(TlsAlloc()) CurrentThreadHolder(): _slot(TlsAlloc())
{ {
if (_slot == TLS_OUT_OF_INDEXES) if (_slot == TLS_OUT_OF_INDEXES)
throw SystemException("cannot allocate thread context key"); throw SystemException("cannot allocate thread context key");
} }
~CurrentThreadHolder() ~CurrentThreadHolder()
{ {
TlsFree(_slot); TlsFree(_slot);
} }
ThreadImpl* get() const ThreadImpl* get() const
{ {
return reinterpret_cast<ThreadImpl*>(TlsGetValue(_slot)); return reinterpret_cast<ThreadImpl*>(TlsGetValue(_slot));
} }
void set(ThreadImpl* pThread) void set(ThreadImpl* pThread)
{ {
TlsSetValue(_slot, pThread); TlsSetValue(_slot, pThread);
} }
private:
DWORD _slot;
};
SharedPtr<Runnable> _pRunnableTarget; private:
HANDLE _thread; DWORD _slot;
DWORD _threadId; };
int _prio;
int _stackSize;
static CurrentThreadHolder _currentThreadHolder; SharedPtr<Runnable> _pRunnableTarget;
HANDLE _thread;
DWORD _threadId;
int _prio;
int _stackSize;
static CurrentThreadHolder _currentThreadHolder;
}; };
@@ -128,55 +129,55 @@ private:
// //
inline int ThreadImpl::getPriorityImpl() const inline int ThreadImpl::getPriorityImpl() const
{ {
return _prio; return _prio;
} }
inline int ThreadImpl::getOSPriorityImpl() const inline int ThreadImpl::getOSPriorityImpl() const
{ {
return _prio; return _prio;
} }
inline int ThreadImpl::getMinOSPriorityImpl(int /* policy */) inline int ThreadImpl::getMinOSPriorityImpl(int /* policy */)
{ {
return PRIO_LOWEST_IMPL; return PRIO_LOWEST_IMPL;
} }
inline int ThreadImpl::getMaxOSPriorityImpl(int /* policy */) inline int ThreadImpl::getMaxOSPriorityImpl(int /* policy */)
{ {
return PRIO_HIGHEST_IMPL; return PRIO_HIGHEST_IMPL;
} }
inline void ThreadImpl::sleepImpl(long milliseconds) inline void ThreadImpl::sleepImpl(long milliseconds)
{ {
Sleep(DWORD(milliseconds)); Sleep(DWORD(milliseconds));
} }
inline void ThreadImpl::yieldImpl() inline void ThreadImpl::yieldImpl()
{ {
Sleep(0); Sleep(0);
} }
inline void ThreadImpl::setStackSizeImpl(int size) inline void ThreadImpl::setStackSizeImpl(int size)
{ {
_stackSize = size; _stackSize = size;
} }
inline int ThreadImpl::getStackSizeImpl() const inline int ThreadImpl::getStackSizeImpl() const
{ {
return _stackSize; return _stackSize;
} }
inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const
{ {
return _threadId; return _threadId;
} }

View File

@@ -36,86 +36,87 @@ namespace Poco {
class Foundation_API ThreadImpl class Foundation_API ThreadImpl
{ {
public: public:
typedef DWORD TIDImpl; typedef DWORD TIDImpl;
typedef void (*Callable)(void*); typedef void (*Callable)(void*);
typedef DWORD (WINAPI *Entry)(LPVOID); typedef DWORD (WINAPI *Entry)(LPVOID);
enum Priority enum Priority
{ {
PRIO_LOWEST_IMPL = THREAD_PRIORITY_LOWEST, PRIO_LOWEST_IMPL = THREAD_PRIORITY_LOWEST,
PRIO_LOW_IMPL = THREAD_PRIORITY_BELOW_NORMAL, PRIO_LOW_IMPL = THREAD_PRIORITY_BELOW_NORMAL,
PRIO_NORMAL_IMPL = THREAD_PRIORITY_NORMAL, PRIO_NORMAL_IMPL = THREAD_PRIORITY_NORMAL,
PRIO_HIGH_IMPL = THREAD_PRIORITY_ABOVE_NORMAL, PRIO_HIGH_IMPL = THREAD_PRIORITY_ABOVE_NORMAL,
PRIO_HIGHEST_IMPL = THREAD_PRIORITY_HIGHEST PRIO_HIGHEST_IMPL = THREAD_PRIORITY_HIGHEST
}; };
enum Policy enum Policy
{ {
POLICY_DEFAULT_IMPL = 0 POLICY_DEFAULT_IMPL = 0
}; };
ThreadImpl(); ThreadImpl();
~ThreadImpl(); ~ThreadImpl();
TIDImpl tidImpl() const; TIDImpl tidImpl() const;
void setPriorityImpl(int prio); void setPriorityImpl(int prio);
int getPriorityImpl() const; int getPriorityImpl() const;
void setOSPriorityImpl(int prio, int policy = 0); void setOSPriorityImpl(int prio, int policy = 0);
int getOSPriorityImpl() const; int getOSPriorityImpl() const;
static int getMinOSPriorityImpl(int policy); static int getMinOSPriorityImpl(int policy);
static int getMaxOSPriorityImpl(int policy); static int getMaxOSPriorityImpl(int policy);
void setStackSizeImpl(int size); void setStackSizeImpl(int size);
int getStackSizeImpl() const; int getStackSizeImpl() const;
void setAffinityImpl(unsigned int cpu); void setAffinityImpl(unsigned cpu);
void startImpl(SharedPtr<Runnable> pTarget); unsigned getAffinityImpl() const;
void joinImpl(); void startImpl(SharedPtr<Runnable> pTarget);
bool joinImpl(long milliseconds); void joinImpl();
bool isRunningImpl() const; bool joinImpl(long milliseconds);
static void sleepImpl(long milliseconds); bool isRunningImpl() const;
static void yieldImpl(); static void sleepImpl(long milliseconds);
static ThreadImpl* currentImpl(); static void yieldImpl();
static TIDImpl currentTidImpl(); static ThreadImpl* currentImpl();
static TIDImpl currentTidImpl();
protected: protected:
static DWORD WINAPI runnableEntry(LPVOID pThread); static DWORD WINAPI runnableEntry(LPVOID pThread);
void createImpl(Entry ent, void* pData); void createImpl(Entry ent, void* pData);
void threadCleanup(); void threadCleanup();
private: private:
class CurrentThreadHolder class CurrentThreadHolder
{ {
public: public:
CurrentThreadHolder(): _slot(TlsAlloc()) CurrentThreadHolder(): _slot(TlsAlloc())
{ {
if (_slot == TLS_OUT_OF_INDEXES) if (_slot == TLS_OUT_OF_INDEXES)
throw SystemException("cannot allocate thread context key"); throw SystemException("cannot allocate thread context key");
} }
~CurrentThreadHolder() ~CurrentThreadHolder()
{ {
TlsFree(_slot); TlsFree(_slot);
} }
ThreadImpl* get() const ThreadImpl* get() const
{ {
return reinterpret_cast<ThreadImpl*>(TlsGetValue(_slot)); return reinterpret_cast<ThreadImpl*>(TlsGetValue(_slot));
} }
void set(ThreadImpl* pThread) void set(ThreadImpl* pThread)
{ {
TlsSetValue(_slot, pThread); TlsSetValue(_slot, pThread);
} }
private:
DWORD _slot;
};
SharedPtr<Runnable> _pRunnableTarget; private:
HANDLE _thread; DWORD _slot;
DWORD _threadId; };
int _prio;
int _stackSize;
static CurrentThreadHolder _currentThreadHolder; SharedPtr<Runnable> _pRunnableTarget;
HANDLE _thread;
DWORD _threadId;
int _prio;
int _stackSize;
static CurrentThreadHolder _currentThreadHolder;
}; };
@@ -124,60 +125,65 @@ private:
// //
inline int ThreadImpl::getPriorityImpl() const inline int ThreadImpl::getPriorityImpl() const
{ {
return _prio; return _prio;
} }
inline int ThreadImpl::getOSPriorityImpl() const inline int ThreadImpl::getOSPriorityImpl() const
{ {
return _prio; return _prio;
} }
inline int ThreadImpl::getMinOSPriorityImpl(int /* policy */) inline int ThreadImpl::getMinOSPriorityImpl(int /* policy */)
{ {
return PRIO_LOWEST_IMPL; return PRIO_LOWEST_IMPL;
} }
inline int ThreadImpl::getMaxOSPriorityImpl(int /* policy */) inline int ThreadImpl::getMaxOSPriorityImpl(int /* policy */)
{ {
return PRIO_HIGHEST_IMPL; return PRIO_HIGHEST_IMPL;
} }
inline void ThreadImpl::setAffinityImpl(unsigned int cpu) inline void ThreadImpl::setAffinityImpl(unsigned cpu)
{ {
// TODO : create implementation (void)cpu;
(void)cpu; throw Poco::NotImplementedException("Thread affinity not supported on this system");
}
inline unsigned ThreadImpl::getAffinityImpl()
{
throw Poco::NotImplementedException("Thread affinity not supported on this system");
} }
inline void ThreadImpl::sleepImpl(long milliseconds) inline void ThreadImpl::sleepImpl(long milliseconds)
{ {
Sleep(DWORD(milliseconds)); Sleep(DWORD(milliseconds));
} }
inline void ThreadImpl::yieldImpl() inline void ThreadImpl::yieldImpl()
{ {
Sleep(0); Sleep(0);
} }
inline void ThreadImpl::setStackSizeImpl(int size) inline void ThreadImpl::setStackSizeImpl(int size)
{ {
_stackSize = size; _stackSize = size;
} }
inline int ThreadImpl::getStackSizeImpl() const inline int ThreadImpl::getStackSizeImpl() const
{ {
return _stackSize; return _stackSize;
} }
inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const inline ThreadImpl::TIDImpl ThreadImpl::tidImpl() const
{ {
return _threadId; return _threadId;
} }

View File

@@ -28,6 +28,7 @@
#endif #endif
#if POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX #if POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX
# include <time.h> # include <time.h>
# include <unistd.h>
#endif #endif
#if POCO_OS == POCO_OS_MAC_OS_X #if POCO_OS == POCO_OS_MAC_OS_X
# include <mach/mach.h> # include <mach/mach.h>
@@ -40,22 +41,22 @@
#if defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS) #if defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS)
namespace namespace
{ {
class SignalBlocker class SignalBlocker
{ {
public: public:
SignalBlocker() SignalBlocker()
{ {
sigset_t sset; sigset_t sset;
sigemptyset(&sset); sigemptyset(&sset);
sigaddset(&sset, SIGPIPE); sigaddset(&sset, SIGPIPE);
pthread_sigmask(SIG_BLOCK, &sset, 0); pthread_sigmask(SIG_BLOCK, &sset, 0);
} }
~SignalBlocker() ~SignalBlocker()
{ {
} }
}; };
static SignalBlocker signalBlocker; static SignalBlocker signalBlocker;
} }
#endif #endif
@@ -86,66 +87,66 @@ ThreadImpl::CurrentThreadHolder ThreadImpl::_currentThreadHolder;
ThreadImpl::ThreadImpl(): ThreadImpl::ThreadImpl():
_pData(new ThreadData) _pData(new ThreadData)
{ {
} }
ThreadImpl::~ThreadImpl() ThreadImpl::~ThreadImpl()
{ {
if (_pData->started && !_pData->joined) if (_pData->started && !_pData->joined)
{ {
pthread_detach(_pData->thread); pthread_detach(_pData->thread);
} }
} }
void ThreadImpl::setPriorityImpl(int prio) void ThreadImpl::setPriorityImpl(int prio)
{ {
if (prio != _pData->prio) if (prio != _pData->prio)
{ {
_pData->prio = prio; _pData->prio = prio;
_pData->policy = SCHED_OTHER; _pData->policy = SCHED_OTHER;
if (isRunningImpl()) if (isRunningImpl())
{ {
struct sched_param par; struct MyStruct struct sched_param par; struct MyStruct
{ {
}; };
par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER); par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER);
if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par)) if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
throw SystemException("cannot set thread priority"); throw SystemException("cannot set thread priority");
} }
} }
} }
void ThreadImpl::setOSPriorityImpl(int prio, int policy) void ThreadImpl::setOSPriorityImpl(int prio, int policy)
{ {
if (prio != _pData->osPrio || policy != _pData->policy) if (prio != _pData->osPrio || policy != _pData->policy)
{ {
if (_pData->pRunnableTarget) if (_pData->pRunnableTarget)
{ {
struct sched_param par; struct sched_param par;
par.sched_priority = prio; par.sched_priority = prio;
if (pthread_setschedparam(_pData->thread, policy, &par)) if (pthread_setschedparam(_pData->thread, policy, &par))
throw SystemException("cannot set thread priority"); throw SystemException("cannot set thread priority");
} }
_pData->prio = reverseMapPrio(prio, policy); _pData->prio = reverseMapPrio(prio, policy);
_pData->osPrio = prio; _pData->osPrio = prio;
_pData->policy = policy; _pData->policy = policy;
} }
} }
int ThreadImpl::getMinOSPriorityImpl(int policy) int ThreadImpl::getMinOSPriorityImpl(int policy)
{ {
#if defined(POCO_THREAD_PRIORITY_MIN) #if defined(POCO_THREAD_PRIORITY_MIN)
return POCO_THREAD_PRIORITY_MIN; return POCO_THREAD_PRIORITY_MIN;
#elif defined(__VMS) || defined(__digital__) #elif defined(__VMS) || defined(__digital__)
return PRI_OTHER_MIN; return PRI_OTHER_MIN;
#else #else
return sched_get_priority_min(policy); return sched_get_priority_min(policy);
#endif #endif
} }
@@ -153,11 +154,11 @@ int ThreadImpl::getMinOSPriorityImpl(int policy)
int ThreadImpl::getMaxOSPriorityImpl(int policy) int ThreadImpl::getMaxOSPriorityImpl(int policy)
{ {
#if defined(POCO_THREAD_PRIORITY_MAX) #if defined(POCO_THREAD_PRIORITY_MAX)
return POCO_THREAD_PRIORITY_MAX; return POCO_THREAD_PRIORITY_MAX;
#elif defined(__VMS) || defined(__digital__) #elif defined(__VMS) || defined(__digital__)
return PRI_OTHER_MAX; return PRI_OTHER_MAX;
#else #else
return sched_get_priority_max(policy); return sched_get_priority_max(policy);
#endif #endif
} }
@@ -165,25 +166,25 @@ int ThreadImpl::getMaxOSPriorityImpl(int policy)
void ThreadImpl::setStackSizeImpl(int size) void ThreadImpl::setStackSizeImpl(int size)
{ {
#ifndef PTHREAD_STACK_MIN #ifndef PTHREAD_STACK_MIN
_pData->stackSize = 0; _pData->stackSize = 0;
#else #else
if (size != 0) if (size != 0)
{ {
#if defined(POCO_OS_FAMILY_BSD) #if defined(POCO_OS_FAMILY_BSD)
// we must round up to a multiple of the memory page size // we must round up to a multiple of the memory page size
const int STACK_PAGE_SIZE = 4096; const int STACK_PAGE_SIZE = 4096;
size = ((size + STACK_PAGE_SIZE - 1)/STACK_PAGE_SIZE)*STACK_PAGE_SIZE; size = ((size + STACK_PAGE_SIZE - 1)/STACK_PAGE_SIZE)*STACK_PAGE_SIZE;
#endif #endif
#if !defined(POCO_ANDROID) #if !defined(POCO_ANDROID)
if (size < PTHREAD_STACK_MIN) if (size < PTHREAD_STACK_MIN)
size = PTHREAD_STACK_MIN; size = PTHREAD_STACK_MIN;
#endif #endif
} }
_pData->stackSize = size; _pData->stackSize = size;
#endif #endif
} }
void ThreadImpl::setAffinityImpl(unsigned int cpu) void ThreadImpl::setAffinityImpl(unsigned cpu)
{ {
#if defined (POCO_OS_FAMILY_UNIX) && POCO_OS != POCO_OS_MAC_OS_X #if defined (POCO_OS_FAMILY_UNIX) && POCO_OS != POCO_OS_MAC_OS_X
#ifdef HAVE_PTHREAD_SETAFFINITY_NP #ifdef HAVE_PTHREAD_SETAFFINITY_NP
@@ -211,238 +212,285 @@ void ThreadImpl::setAffinityImpl(unsigned int cpu)
THREAD_AFFINITY_POLICY, THREAD_AFFINITY_POLICY,
(thread_policy_t) &policy, (thread_policy_t) &policy,
THREAD_AFFINITY_POLICY_COUNT); THREAD_AFFINITY_POLICY_COUNT);
if (ret != KERN_SUCCESS) { if (ret != KERN_SUCCESS)
{
throw SystemException("Failed to set affinity"); throw SystemException("Failed to set affinity");
} }
#endif #endif
yieldImpl(); yieldImpl();
} }
unsigned ThreadImpl::getAffinityImpl() const {
unsigned cpuSet = 0;
unsigned cpuCount = Environment::processorCount();
#if defined (POCO_OS_FAMILY_UNIX) && POCO_OS != POCO_OS_MAC_OS_X
#ifdef HAVE_PTHREAD_SETAFFINITY_NP
cpu_set_t cpuset;
CPU_ZERO(&cpuset);
#ifdef HAVE_THREE_PARAM_SCHED_SETAFFINITY
if (pthread_getaffinity_np(_pData->thread, sizeof(cpuset), &cpuset) != 0)
throw SystemException("Failed to get affinity");
#else
if (pthread_getaffinity_np(_pData->thread, &cpuset) != 0)
throw SystemException("Failed to get affinity");
#endif
for (unsigned i = 0; i < cpuCount; i++) {
if (CPU_ISSET(i, &cpuset)) {
cpuSet = i;
break;
}
}
#else
throw Poco::NotImplementedException("Thread affinity not supported on this system");
#endif
#endif // defined unix & !defined mac os x
#if POCO_OS == POCO_OS_MAC_OS_X
kern_return_t ret;
thread_affinity_policy policy;
mach_msg_type_number_t count = THREAD_AFFINITY_POLICY_COUNT;
boolean_t get_default = FALSE;
ret = thread_policy_get(pthread_mach_thread_np(_pData->thread),
THREAD_AFFINITY_POLICY,
(thread_policy_t)&policy,
&count,
&get_default);
if (ret != KERN_SUCCESS) {
throw SystemException("Failed to get affinity");
}
cpuSet = policy.affinity_tag - 1;
if (cpuSet >= cpuCount)
cpuSet = 0;
#endif
return cpuSet;
}
void ThreadImpl::startImpl(SharedPtr<Runnable> pTarget) void ThreadImpl::startImpl(SharedPtr<Runnable> pTarget)
{ {
if (_pData->pRunnableTarget) if (_pData->pRunnableTarget)
throw SystemException("thread already running"); throw SystemException("thread already running");
pthread_attr_t attributes; pthread_attr_t attributes;
pthread_attr_init(&attributes); pthread_attr_init(&attributes);
if (_pData->stackSize != 0) if (_pData->stackSize != 0)
{ {
if (0 != pthread_attr_setstacksize(&attributes, _pData->stackSize)) if (0 != pthread_attr_setstacksize(&attributes, _pData->stackSize))
{ {
pthread_attr_destroy(&attributes); pthread_attr_destroy(&attributes);
throw SystemException("cannot set thread stack size"); throw SystemException("cannot set thread stack size");
} }
} }
_pData->pRunnableTarget = pTarget; _pData->pRunnableTarget = pTarget;
if (pthread_create(&_pData->thread, &attributes, runnableEntry, this)) if (pthread_create(&_pData->thread, &attributes, runnableEntry, this))
{ {
_pData->pRunnableTarget = 0; _pData->pRunnableTarget = 0;
pthread_attr_destroy(&attributes); pthread_attr_destroy(&attributes);
throw SystemException("cannot start thread"); throw SystemException("cannot start thread");
} }
_pData->started = true; _pData->started = true;
pthread_attr_destroy(&attributes); pthread_attr_destroy(&attributes);
if (_pData->policy == SCHED_OTHER) if (_pData->policy == SCHED_OTHER)
{ {
if (_pData->prio != PRIO_NORMAL_IMPL) if (_pData->prio != PRIO_NORMAL_IMPL)
{ {
struct sched_param par; struct sched_param par;
par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER); par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER);
if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par)) if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
throw SystemException("cannot set thread priority"); throw SystemException("cannot set thread priority");
} }
} }
else else
{ {
struct sched_param par; struct sched_param par;
par.sched_priority = _pData->osPrio; par.sched_priority = _pData->osPrio;
if (pthread_setschedparam(_pData->thread, _pData->policy, &par)) if (pthread_setschedparam(_pData->thread, _pData->policy, &par))
throw SystemException("cannot set thread priority"); throw SystemException("cannot set thread priority");
} }
} }
void ThreadImpl::joinImpl() void ThreadImpl::joinImpl()
{ {
if (!_pData->started) return; if (!_pData->started) return;
_pData->done.wait(); _pData->done.wait();
void* result; void* result;
if (pthread_join(_pData->thread, &result)) if (pthread_join(_pData->thread, &result))
throw SystemException("cannot join thread"); throw SystemException("cannot join thread");
_pData->joined = true; _pData->joined = true;
} }
bool ThreadImpl::joinImpl(long milliseconds) bool ThreadImpl::joinImpl(long milliseconds)
{ {
if (_pData->started && _pData->done.tryWait(milliseconds)) if (_pData->started && _pData->done.tryWait(milliseconds))
{ {
void* result; void* result;
if (pthread_join(_pData->thread, &result)) if (pthread_join(_pData->thread, &result))
throw SystemException("cannot join thread"); throw SystemException("cannot join thread");
_pData->joined = true; _pData->joined = true;
return true; return true;
} }
else if (_pData->started) return false; else if (_pData->started) return false;
else return true; else return true;
} }
ThreadImpl* ThreadImpl::currentImpl() ThreadImpl* ThreadImpl::currentImpl()
{ {
return _currentThreadHolder.get(); return _currentThreadHolder.get();
} }
ThreadImpl::TIDImpl ThreadImpl::currentTidImpl() ThreadImpl::TIDImpl ThreadImpl::currentTidImpl()
{ {
return pthread_self(); return pthread_self();
} }
void ThreadImpl::sleepImpl(long milliseconds) void ThreadImpl::sleepImpl(long milliseconds)
{ {
#if defined(__VMS) || defined(__digital__) #if defined(__VMS) || defined(__digital__)
// This is specific to DECThreads // This is specific to DECThreads
struct timespec interval; struct timespec interval;
interval.tv_sec = milliseconds / 1000; interval.tv_sec = milliseconds / 1000;
interval.tv_nsec = (milliseconds % 1000)*1000000; interval.tv_nsec = (milliseconds % 1000)*1000000;
pthread_delay_np(&interval); pthread_delay_np(&interval);
#elif POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX || POCO_OS == POCO_OS_VXWORKS #elif POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX || POCO_OS == POCO_OS_VXWORKS
Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds)); Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
int rc; int rc;
do do
{ {
struct timespec ts; struct timespec ts;
ts.tv_sec = (long) remainingTime.totalSeconds(); ts.tv_sec = (long) remainingTime.totalSeconds();
ts.tv_nsec = (long) remainingTime.useconds()*1000; ts.tv_nsec = (long) remainingTime.useconds()*1000;
Poco::Timestamp start; Poco::Timestamp start;
rc = ::nanosleep(&ts, 0); rc = ::nanosleep(&ts, 0);
if (rc < 0 && errno == EINTR) if (rc < 0 && errno == EINTR)
{ {
Poco::Timestamp end; Poco::Timestamp end;
Poco::Timespan waited = start.elapsed(); Poco::Timespan waited = start.elapsed();
if (waited < remainingTime) if (waited < remainingTime)
remainingTime -= waited; remainingTime -= waited;
else else
remainingTime = 0; remainingTime = 0;
} }
} }
while (remainingTime > 0 && rc < 0 && errno == EINTR); while (remainingTime > 0 && rc < 0 && errno == EINTR);
if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): nanosleep() failed"); if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): nanosleep() failed");
#else #else
Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds)); Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
int rc; int rc;
do do
{ {
struct timeval tv; struct timeval tv;
tv.tv_sec = (long) remainingTime.totalSeconds(); tv.tv_sec = (long) remainingTime.totalSeconds();
tv.tv_usec = (long) remainingTime.useconds(); tv.tv_usec = (long) remainingTime.useconds();
Poco::Timestamp start; Poco::Timestamp start;
rc = ::select(0, NULL, NULL, NULL, &tv); rc = ::select(0, NULL, NULL, NULL, &tv);
if (rc < 0 && errno == EINTR) if (rc < 0 && errno == EINTR)
{ {
Poco::Timestamp end; Poco::Timestamp end;
Poco::Timespan waited = start.elapsed(); Poco::Timespan waited = start.elapsed();
if (waited < remainingTime) if (waited < remainingTime)
remainingTime -= waited; remainingTime -= waited;
else else
remainingTime = 0; remainingTime = 0;
} }
} }
while (remainingTime > 0 && rc < 0 && errno == EINTR); while (remainingTime > 0 && rc < 0 && errno == EINTR);
if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): select() failed"); if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): select() failed");
#endif #endif
} }
void* ThreadImpl::runnableEntry(void* pThread) void* ThreadImpl::runnableEntry(void* pThread)
{ {
_currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread)); _currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread));
#if defined(POCO_OS_FAMILY_UNIX) #if defined(POCO_OS_FAMILY_UNIX)
sigset_t sset; sigset_t sset;
sigemptyset(&sset); sigemptyset(&sset);
sigaddset(&sset, SIGQUIT); sigaddset(&sset, SIGQUIT);
sigaddset(&sset, SIGTERM); sigaddset(&sset, SIGTERM);
sigaddset(&sset, SIGPIPE); sigaddset(&sset, SIGPIPE);
pthread_sigmask(SIG_BLOCK, &sset, 0); pthread_sigmask(SIG_BLOCK, &sset, 0);
#endif #endif
ThreadImpl* pThreadImpl = reinterpret_cast<ThreadImpl*>(pThread); ThreadImpl* pThreadImpl = reinterpret_cast<ThreadImpl*>(pThread);
#if defined(POCO_POSIX_DEBUGGER_THREAD_NAMES) #if defined(POCO_POSIX_DEBUGGER_THREAD_NAMES)
setThreadName(pThreadImpl->_pData->thread, reinterpret_cast<Thread*>(pThread)->getName().c_str()); setThreadName(pThreadImpl->_pData->thread, reinterpret_cast<Thread*>(pThread)->getName().c_str());
#endif #endif
AutoPtr<ThreadData> pData = pThreadImpl->_pData; AutoPtr<ThreadData> pData = pThreadImpl->_pData;
try try
{ {
pData->pRunnableTarget->run(); pData->pRunnableTarget->run();
} }
catch (Exception& exc) catch (Exception& exc)
{ {
ErrorHandler::handle(exc); ErrorHandler::handle(exc);
} }
catch (std::exception& exc) catch (std::exception& exc)
{ {
ErrorHandler::handle(exc); ErrorHandler::handle(exc);
} }
catch (...) catch (...)
{ {
ErrorHandler::handle(); ErrorHandler::handle();
} }
pData->pRunnableTarget = 0; pData->pRunnableTarget = 0;
pData->done.set(); pData->done.set();
return 0; return 0;
} }
int ThreadImpl::mapPrio(int prio, int policy) int ThreadImpl::mapPrio(int prio, int policy)
{ {
int pmin = getMinOSPriorityImpl(policy); int pmin = getMinOSPriorityImpl(policy);
int pmax = getMaxOSPriorityImpl(policy); int pmax = getMaxOSPriorityImpl(policy);
switch (prio) switch (prio)
{ {
case PRIO_LOWEST_IMPL: case PRIO_LOWEST_IMPL:
return pmin; return pmin;
case PRIO_LOW_IMPL: case PRIO_LOW_IMPL:
return pmin + (pmax - pmin)/4; return pmin + (pmax - pmin)/4;
case PRIO_NORMAL_IMPL: case PRIO_NORMAL_IMPL:
return pmin + (pmax - pmin)/2; return pmin + (pmax - pmin)/2;
case PRIO_HIGH_IMPL: case PRIO_HIGH_IMPL:
return pmin + 3*(pmax - pmin)/4; return pmin + 3*(pmax - pmin)/4;
case PRIO_HIGHEST_IMPL: case PRIO_HIGHEST_IMPL:
return pmax; return pmax;
default: default:
poco_bugcheck_msg("invalid thread priority"); poco_bugcheck_msg("invalid thread priority");
} }
return -1; // just to satisfy compiler - we'll never get here anyway return -1; // just to satisfy compiler - we'll never get here anyway
} }
int ThreadImpl::reverseMapPrio(int prio, int policy) int ThreadImpl::reverseMapPrio(int prio, int policy)
{ {
if (policy == SCHED_OTHER) if (policy == SCHED_OTHER)
{ {
int pmin = getMinOSPriorityImpl(policy); int pmin = getMinOSPriorityImpl(policy);
int pmax = getMaxOSPriorityImpl(policy); int pmax = getMaxOSPriorityImpl(policy);
int normal = pmin + (pmax - pmin)/2; int normal = pmin + (pmax - pmin)/2;
if (prio == pmax) if (prio == pmax)
return PRIO_HIGHEST_IMPL; return PRIO_HIGHEST_IMPL;
if (prio > normal) if (prio > normal)
return PRIO_HIGH_IMPL; return PRIO_HIGH_IMPL;
else if (prio == normal) else if (prio == normal)
return PRIO_NORMAL_IMPL; return PRIO_NORMAL_IMPL;
else if (prio > pmin) else if (prio > pmin)
return PRIO_LOW_IMPL; return PRIO_LOW_IMPL;
else else
return PRIO_LOWEST_IMPL; return PRIO_LOWEST_IMPL;
} }
else return PRIO_HIGHEST_IMPL; else return PRIO_HIGHEST_IMPL;
} }

View File

@@ -25,30 +25,30 @@
namespace namespace
{ {
/// See <http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx> /// See <http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx>
/// and <http://blogs.msdn.com/b/stevejs/archive/2005/12/19/505815.aspx> for /// and <http://blogs.msdn.com/b/stevejs/archive/2005/12/19/505815.aspx> for
/// more information on the code below. /// more information on the code below.
const DWORD MS_VC_EXCEPTION = 0x406D1388; const DWORD MS_VC_EXCEPTION = 0x406D1388;
#pragma pack(push,8) #pragma pack(push,8)
typedef struct tagTHREADNAME_INFO typedef struct tagTHREADNAME_INFO
{ {
DWORD dwType; // Must be 0x1000. DWORD dwType; // Must be 0x1000.
LPCSTR szName; // Pointer to name (in user addr space). LPCSTR szName; // Pointer to name (in user addr space).
DWORD dwThreadID; // Thread ID (-1=caller thread). DWORD dwThreadID; // Thread ID (-1=caller thread).
DWORD dwFlags; // Reserved for future use, must be zero. DWORD dwFlags; // Reserved for future use, must be zero.
} THREADNAME_INFO; } THREADNAME_INFO;
#pragma pack(pop) #pragma pack(pop)
void setThreadName(DWORD dwThreadID, const char* threadName) void setThreadName(DWORD dwThreadID, const char* threadName)
{ {
THREADNAME_INFO info; THREADNAME_INFO info;
info.dwType = 0x1000; info.dwType = 0x1000;
info.szName = threadName; info.szName = threadName;
info.dwThreadID = dwThreadID; info.dwThreadID = dwThreadID;
info.dwFlags = 0; info.dwFlags = 0;
__try __try
{ {
RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info); RaiseException(MS_VC_EXCEPTION, 0, sizeof(info)/sizeof(ULONG_PTR), (ULONG_PTR*)&info);
@@ -56,7 +56,7 @@ namespace
__except (EXCEPTION_CONTINUE_EXECUTION) __except (EXCEPTION_CONTINUE_EXECUTION)
{ {
} }
} }
} }
@@ -70,40 +70,40 @@ ThreadImpl::CurrentThreadHolder ThreadImpl::_currentThreadHolder;
ThreadImpl::ThreadImpl(): ThreadImpl::ThreadImpl():
_thread(0), _thread(0),
_threadId(0), _threadId(0),
_prio(PRIO_NORMAL_IMPL), _prio(PRIO_NORMAL_IMPL),
_stackSize(POCO_THREAD_STACK_SIZE) _stackSize(POCO_THREAD_STACK_SIZE)
{ {
} }
ThreadImpl::~ThreadImpl() ThreadImpl::~ThreadImpl()
{ {
if (_thread) CloseHandle(_thread); if (_thread) CloseHandle(_thread);
} }
void ThreadImpl::setPriorityImpl(int prio) void ThreadImpl::setPriorityImpl(int prio)
{ {
if (prio != _prio) if (prio != _prio)
{ {
_prio = prio; _prio = prio;
if (_thread) if (_thread)
{ {
if (SetThreadPriority(_thread, _prio) == 0) if (SetThreadPriority(_thread, _prio) == 0)
throw SystemException("cannot set thread priority"); throw SystemException("cannot set thread priority");
} }
} }
} }
void ThreadImpl::setOSPriorityImpl(int prio, int /* policy */) void ThreadImpl::setOSPriorityImpl(int prio, int /* policy */)
{ {
setPriorityImpl(prio); setPriorityImpl(prio);
} }
void ThreadImpl::setAffinityImpl(unsigned int cpu) void ThreadImpl::setAffinityImpl(unsigned cpu)
{ {
DWORD mask = 1; DWORD mask = 1;
mask <<= cpu; mask <<= cpu;
@@ -112,91 +112,95 @@ void ThreadImpl::setAffinityImpl(unsigned int cpu)
} }
} }
unsigned ThreadImpl::getAffinityImpl() const {
throw Poco::NotImplementedException("Get thread affinity not supported on this system");
}
void ThreadImpl::startImpl(SharedPtr<Runnable> pTarget) void ThreadImpl::startImpl(SharedPtr<Runnable> pTarget)
{ {
if (isRunningImpl()) if (isRunningImpl())
throw SystemException("thread already running"); throw SystemException("thread already running");
_pRunnableTarget = pTarget; _pRunnableTarget = pTarget;
createImpl(runnableEntry, this); createImpl(runnableEntry, this);
} }
void ThreadImpl::createImpl(Entry ent, void* pData) void ThreadImpl::createImpl(Entry ent, void* pData)
{ {
#if defined(_DLL) #if defined(_DLL)
_thread = CreateThread(NULL, _stackSize, ent, pData, 0, &_threadId); _thread = CreateThread(NULL, _stackSize, ent, pData, 0, &_threadId);
#else #else
unsigned threadId; unsigned threadId;
_thread = (HANDLE) _beginthreadex(NULL, _stackSize, ent, this, 0, &threadId); _thread = (HANDLE) _beginthreadex(NULL, _stackSize, ent, this, 0, &threadId);
_threadId = static_cast<DWORD>(threadId); _threadId = static_cast<DWORD>(threadId);
#endif #endif
if (!_thread) if (!_thread)
throw SystemException("cannot create thread"); throw SystemException("cannot create thread");
if (_prio != PRIO_NORMAL_IMPL && !SetThreadPriority(_thread, _prio)) if (_prio != PRIO_NORMAL_IMPL && !SetThreadPriority(_thread, _prio))
throw SystemException("cannot set thread priority"); throw SystemException("cannot set thread priority");
} }
void ThreadImpl::joinImpl() void ThreadImpl::joinImpl()
{ {
if (!_thread) return; if (!_thread) return;
switch (WaitForSingleObject(_thread, INFINITE)) switch (WaitForSingleObject(_thread, INFINITE))
{ {
case WAIT_OBJECT_0: case WAIT_OBJECT_0:
threadCleanup(); threadCleanup();
return; return;
default: default:
throw SystemException("cannot join thread"); throw SystemException("cannot join thread");
} }
} }
bool ThreadImpl::joinImpl(long milliseconds) bool ThreadImpl::joinImpl(long milliseconds)
{ {
if (!_thread) return true; if (!_thread) return true;
switch (WaitForSingleObject(_thread, milliseconds + 1)) switch (WaitForSingleObject(_thread, milliseconds + 1))
{ {
case WAIT_TIMEOUT: case WAIT_TIMEOUT:
return false; return false;
case WAIT_OBJECT_0: case WAIT_OBJECT_0:
threadCleanup(); threadCleanup();
return true; return true;
default: default:
throw SystemException("cannot join thread"); throw SystemException("cannot join thread");
} }
} }
bool ThreadImpl::isRunningImpl() const bool ThreadImpl::isRunningImpl() const
{ {
if (_thread) if (_thread)
{ {
DWORD ec = 0; DWORD ec = 0;
return GetExitCodeThread(_thread, &ec) && ec == STILL_ACTIVE; return GetExitCodeThread(_thread, &ec) && ec == STILL_ACTIVE;
} }
return false; return false;
} }
void ThreadImpl::threadCleanup() void ThreadImpl::threadCleanup()
{ {
if (!_thread) return; if (!_thread) return;
if (CloseHandle(_thread)) _thread = 0; if (CloseHandle(_thread)) _thread = 0;
} }
ThreadImpl* ThreadImpl::currentImpl() ThreadImpl* ThreadImpl::currentImpl()
{ {
return _currentThreadHolder.get(); return _currentThreadHolder.get();
} }
ThreadImpl::TIDImpl ThreadImpl::currentTidImpl() ThreadImpl::TIDImpl ThreadImpl::currentTidImpl()
{ {
return GetCurrentThreadId(); return GetCurrentThreadId();
} }
@@ -206,27 +210,27 @@ DWORD WINAPI ThreadImpl::runnableEntry(LPVOID pThread)
unsigned __stdcall ThreadImpl::runnableEntry(void* pThread) unsigned __stdcall ThreadImpl::runnableEntry(void* pThread)
#endif #endif
{ {
_currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread)); _currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread));
#if defined(POCO_WIN32_DEBUGGER_THREAD_NAMES) #if defined(POCO_WIN32_DEBUGGER_THREAD_NAMES)
setThreadName(-1, reinterpret_cast<Thread*>(pThread)->getName().c_str()); setThreadName(-1, reinterpret_cast<Thread*>(pThread)->getName().c_str());
#endif #endif
try try
{ {
reinterpret_cast<ThreadImpl*>(pThread)->_pRunnableTarget->run(); reinterpret_cast<ThreadImpl*>(pThread)->_pRunnableTarget->run();
} }
catch (Exception& exc) catch (Exception& exc)
{ {
ErrorHandler::handle(exc); ErrorHandler::handle(exc);
} }
catch (std::exception& exc) catch (std::exception& exc)
{ {
ErrorHandler::handle(exc); ErrorHandler::handle(exc);
} }
catch (...) catch (...)
{ {
ErrorHandler::handle(); ErrorHandler::handle();
} }
return 0; return 0;
} }