mirror of
https://github.com/pocoproject/poco.git
synced 2025-10-25 18:22:59 +02:00
add getAffinity method
throw NotImplementedException on unsupported platforms
This commit is contained in:
bas524
@@ -28,6 +28,7 @@
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#endif
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#if POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX
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# include <time.h>
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# include <unistd.h>
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#endif
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#if POCO_OS == POCO_OS_MAC_OS_X
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# include <mach/mach.h>
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@@ -40,22 +41,22 @@
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#if defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS)
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namespace
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{
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class SignalBlocker
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{
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public:
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SignalBlocker()
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{
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sigset_t sset;
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sigemptyset(&sset);
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sigaddset(&sset, SIGPIPE);
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pthread_sigmask(SIG_BLOCK, &sset, 0);
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}
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~SignalBlocker()
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{
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}
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};
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class SignalBlocker
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{
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public:
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SignalBlocker()
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{
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sigset_t sset;
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sigemptyset(&sset);
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sigaddset(&sset, SIGPIPE);
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pthread_sigmask(SIG_BLOCK, &sset, 0);
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}
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~SignalBlocker()
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{
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}
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};
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static SignalBlocker signalBlocker;
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static SignalBlocker signalBlocker;
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}
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#endif
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@@ -86,66 +87,66 @@ ThreadImpl::CurrentThreadHolder ThreadImpl::_currentThreadHolder;
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ThreadImpl::ThreadImpl():
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_pData(new ThreadData)
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_pData(new ThreadData)
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{
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}
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ThreadImpl::~ThreadImpl()
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{
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if (_pData->started && !_pData->joined)
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{
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pthread_detach(_pData->thread);
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}
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if (_pData->started && !_pData->joined)
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{
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pthread_detach(_pData->thread);
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}
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}
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void ThreadImpl::setPriorityImpl(int prio)
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{
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if (prio != _pData->prio)
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{
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_pData->prio = prio;
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_pData->policy = SCHED_OTHER;
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if (isRunningImpl())
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{
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struct sched_param par; struct MyStruct
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{
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if (prio != _pData->prio)
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{
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_pData->prio = prio;
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_pData->policy = SCHED_OTHER;
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if (isRunningImpl())
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{
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struct sched_param par; struct MyStruct
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{
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};
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par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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};
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par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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}
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void ThreadImpl::setOSPriorityImpl(int prio, int policy)
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{
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if (prio != _pData->osPrio || policy != _pData->policy)
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{
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if (_pData->pRunnableTarget)
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{
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struct sched_param par;
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par.sched_priority = prio;
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if (pthread_setschedparam(_pData->thread, policy, &par))
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throw SystemException("cannot set thread priority");
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}
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_pData->prio = reverseMapPrio(prio, policy);
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_pData->osPrio = prio;
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_pData->policy = policy;
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}
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if (prio != _pData->osPrio || policy != _pData->policy)
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{
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if (_pData->pRunnableTarget)
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{
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struct sched_param par;
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par.sched_priority = prio;
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if (pthread_setschedparam(_pData->thread, policy, &par))
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throw SystemException("cannot set thread priority");
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}
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_pData->prio = reverseMapPrio(prio, policy);
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_pData->osPrio = prio;
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_pData->policy = policy;
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}
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}
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int ThreadImpl::getMinOSPriorityImpl(int policy)
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{
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#if defined(POCO_THREAD_PRIORITY_MIN)
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return POCO_THREAD_PRIORITY_MIN;
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return POCO_THREAD_PRIORITY_MIN;
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#elif defined(__VMS) || defined(__digital__)
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return PRI_OTHER_MIN;
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return PRI_OTHER_MIN;
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#else
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return sched_get_priority_min(policy);
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return sched_get_priority_min(policy);
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#endif
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}
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@@ -153,11 +154,11 @@ int ThreadImpl::getMinOSPriorityImpl(int policy)
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int ThreadImpl::getMaxOSPriorityImpl(int policy)
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{
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#if defined(POCO_THREAD_PRIORITY_MAX)
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return POCO_THREAD_PRIORITY_MAX;
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return POCO_THREAD_PRIORITY_MAX;
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#elif defined(__VMS) || defined(__digital__)
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return PRI_OTHER_MAX;
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return PRI_OTHER_MAX;
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#else
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return sched_get_priority_max(policy);
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return sched_get_priority_max(policy);
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#endif
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}
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@@ -165,25 +166,25 @@ int ThreadImpl::getMaxOSPriorityImpl(int policy)
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void ThreadImpl::setStackSizeImpl(int size)
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{
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#ifndef PTHREAD_STACK_MIN
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_pData->stackSize = 0;
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_pData->stackSize = 0;
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#else
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if (size != 0)
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{
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if (size != 0)
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{
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#if defined(POCO_OS_FAMILY_BSD)
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// we must round up to a multiple of the memory page size
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const int STACK_PAGE_SIZE = 4096;
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size = ((size + STACK_PAGE_SIZE - 1)/STACK_PAGE_SIZE)*STACK_PAGE_SIZE;
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// we must round up to a multiple of the memory page size
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const int STACK_PAGE_SIZE = 4096;
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size = ((size + STACK_PAGE_SIZE - 1)/STACK_PAGE_SIZE)*STACK_PAGE_SIZE;
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#endif
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#if !defined(POCO_ANDROID)
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if (size < PTHREAD_STACK_MIN)
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size = PTHREAD_STACK_MIN;
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if (size < PTHREAD_STACK_MIN)
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size = PTHREAD_STACK_MIN;
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#endif
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}
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_pData->stackSize = size;
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}
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_pData->stackSize = size;
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#endif
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}
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void ThreadImpl::setAffinityImpl(unsigned int cpu)
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void ThreadImpl::setAffinityImpl(unsigned cpu)
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{
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#if defined (POCO_OS_FAMILY_UNIX) && POCO_OS != POCO_OS_MAC_OS_X
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#ifdef HAVE_PTHREAD_SETAFFINITY_NP
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@@ -211,238 +212,285 @@ void ThreadImpl::setAffinityImpl(unsigned int cpu)
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THREAD_AFFINITY_POLICY,
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(thread_policy_t) &policy,
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THREAD_AFFINITY_POLICY_COUNT);
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if (ret != KERN_SUCCESS) {
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if (ret != KERN_SUCCESS)
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{
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throw SystemException("Failed to set affinity");
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}
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#endif
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yieldImpl();
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}
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unsigned ThreadImpl::getAffinityImpl() const {
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unsigned cpuSet = 0;
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unsigned cpuCount = Environment::processorCount();
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#if defined (POCO_OS_FAMILY_UNIX) && POCO_OS != POCO_OS_MAC_OS_X
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#ifdef HAVE_PTHREAD_SETAFFINITY_NP
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cpu_set_t cpuset;
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CPU_ZERO(&cpuset);
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#ifdef HAVE_THREE_PARAM_SCHED_SETAFFINITY
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if (pthread_getaffinity_np(_pData->thread, sizeof(cpuset), &cpuset) != 0)
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throw SystemException("Failed to get affinity");
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#else
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if (pthread_getaffinity_np(_pData->thread, &cpuset) != 0)
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throw SystemException("Failed to get affinity");
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#endif
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for (unsigned i = 0; i < cpuCount; i++) {
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if (CPU_ISSET(i, &cpuset)) {
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cpuSet = i;
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break;
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}
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}
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#else
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throw Poco::NotImplementedException("Thread affinity not supported on this system");
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#endif
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#endif // defined unix & !defined mac os x
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#if POCO_OS == POCO_OS_MAC_OS_X
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kern_return_t ret;
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thread_affinity_policy policy;
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mach_msg_type_number_t count = THREAD_AFFINITY_POLICY_COUNT;
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boolean_t get_default = FALSE;
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ret = thread_policy_get(pthread_mach_thread_np(_pData->thread),
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THREAD_AFFINITY_POLICY,
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(thread_policy_t)&policy,
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&count,
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&get_default);
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if (ret != KERN_SUCCESS) {
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throw SystemException("Failed to get affinity");
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}
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cpuSet = policy.affinity_tag - 1;
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if (cpuSet >= cpuCount)
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cpuSet = 0;
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#endif
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return cpuSet;
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}
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void ThreadImpl::startImpl(SharedPtr<Runnable> pTarget)
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{
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if (_pData->pRunnableTarget)
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throw SystemException("thread already running");
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if (_pData->pRunnableTarget)
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throw SystemException("thread already running");
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pthread_attr_t attributes;
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pthread_attr_init(&attributes);
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pthread_attr_t attributes;
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pthread_attr_init(&attributes);
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if (_pData->stackSize != 0)
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{
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if (0 != pthread_attr_setstacksize(&attributes, _pData->stackSize))
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{
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pthread_attr_destroy(&attributes);
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throw SystemException("cannot set thread stack size");
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}
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}
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if (_pData->stackSize != 0)
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{
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if (0 != pthread_attr_setstacksize(&attributes, _pData->stackSize))
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{
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pthread_attr_destroy(&attributes);
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throw SystemException("cannot set thread stack size");
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}
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}
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_pData->pRunnableTarget = pTarget;
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if (pthread_create(&_pData->thread, &attributes, runnableEntry, this))
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{
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_pData->pRunnableTarget = 0;
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pthread_attr_destroy(&attributes);
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throw SystemException("cannot start thread");
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}
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_pData->started = true;
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pthread_attr_destroy(&attributes);
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_pData->pRunnableTarget = pTarget;
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if (pthread_create(&_pData->thread, &attributes, runnableEntry, this))
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{
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_pData->pRunnableTarget = 0;
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pthread_attr_destroy(&attributes);
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throw SystemException("cannot start thread");
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}
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_pData->started = true;
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pthread_attr_destroy(&attributes);
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if (_pData->policy == SCHED_OTHER)
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{
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if (_pData->prio != PRIO_NORMAL_IMPL)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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else
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{
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struct sched_param par;
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par.sched_priority = _pData->osPrio;
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if (pthread_setschedparam(_pData->thread, _pData->policy, &par))
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throw SystemException("cannot set thread priority");
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}
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if (_pData->policy == SCHED_OTHER)
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{
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if (_pData->prio != PRIO_NORMAL_IMPL)
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{
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struct sched_param par;
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par.sched_priority = mapPrio(_pData->prio, SCHED_OTHER);
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if (pthread_setschedparam(_pData->thread, SCHED_OTHER, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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else
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{
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struct sched_param par;
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par.sched_priority = _pData->osPrio;
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if (pthread_setschedparam(_pData->thread, _pData->policy, &par))
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throw SystemException("cannot set thread priority");
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}
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}
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void ThreadImpl::joinImpl()
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{
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if (!_pData->started) return;
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_pData->done.wait();
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void* result;
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if (pthread_join(_pData->thread, &result))
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throw SystemException("cannot join thread");
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_pData->joined = true;
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if (!_pData->started) return;
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_pData->done.wait();
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void* result;
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if (pthread_join(_pData->thread, &result))
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throw SystemException("cannot join thread");
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_pData->joined = true;
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}
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bool ThreadImpl::joinImpl(long milliseconds)
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{
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if (_pData->started && _pData->done.tryWait(milliseconds))
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{
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void* result;
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if (pthread_join(_pData->thread, &result))
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throw SystemException("cannot join thread");
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_pData->joined = true;
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return true;
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}
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else if (_pData->started) return false;
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else return true;
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if (_pData->started && _pData->done.tryWait(milliseconds))
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{
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void* result;
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if (pthread_join(_pData->thread, &result))
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throw SystemException("cannot join thread");
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_pData->joined = true;
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return true;
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}
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else if (_pData->started) return false;
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else return true;
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}
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ThreadImpl* ThreadImpl::currentImpl()
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{
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return _currentThreadHolder.get();
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return _currentThreadHolder.get();
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}
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ThreadImpl::TIDImpl ThreadImpl::currentTidImpl()
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{
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return pthread_self();
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return pthread_self();
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}
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void ThreadImpl::sleepImpl(long milliseconds)
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{
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#if defined(__VMS) || defined(__digital__)
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// This is specific to DECThreads
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000)*1000000;
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pthread_delay_np(&interval);
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// This is specific to DECThreads
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struct timespec interval;
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interval.tv_sec = milliseconds / 1000;
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interval.tv_nsec = (milliseconds % 1000)*1000000;
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pthread_delay_np(&interval);
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#elif POCO_OS == POCO_OS_LINUX || POCO_OS == POCO_OS_MAC_OS_X || POCO_OS == POCO_OS_QNX || POCO_OS == POCO_OS_VXWORKS
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Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
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int rc;
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do
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{
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struct timespec ts;
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ts.tv_sec = (long) remainingTime.totalSeconds();
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ts.tv_nsec = (long) remainingTime.useconds()*1000;
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Poco::Timestamp start;
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rc = ::nanosleep(&ts, 0);
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if (rc < 0 && errno == EINTR)
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{
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Poco::Timestamp end;
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Poco::Timespan waited = start.elapsed();
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if (waited < remainingTime)
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remainingTime -= waited;
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else
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remainingTime = 0;
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}
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}
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while (remainingTime > 0 && rc < 0 && errno == EINTR);
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if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): nanosleep() failed");
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#else
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Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
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int rc;
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do
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{
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struct timeval tv;
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tv.tv_sec = (long) remainingTime.totalSeconds();
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tv.tv_usec = (long) remainingTime.useconds();
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Poco::Timestamp start;
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rc = ::select(0, NULL, NULL, NULL, &tv);
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if (rc < 0 && errno == EINTR)
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{
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Poco::Timestamp end;
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Poco::Timespan waited = start.elapsed();
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if (waited < remainingTime)
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remainingTime -= waited;
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else
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remainingTime = 0;
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}
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}
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while (remainingTime > 0 && rc < 0 && errno == EINTR);
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if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): select() failed");
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Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
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int rc;
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do
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{
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struct timespec ts;
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ts.tv_sec = (long) remainingTime.totalSeconds();
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ts.tv_nsec = (long) remainingTime.useconds()*1000;
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Poco::Timestamp start;
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rc = ::nanosleep(&ts, 0);
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if (rc < 0 && errno == EINTR)
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{
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Poco::Timestamp end;
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Poco::Timespan waited = start.elapsed();
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if (waited < remainingTime)
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remainingTime -= waited;
|
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else
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remainingTime = 0;
|
||||
}
|
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}
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while (remainingTime > 0 && rc < 0 && errno == EINTR);
|
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if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): nanosleep() failed");
|
||||
#else
|
||||
Poco::Timespan remainingTime(1000*Poco::Timespan::TimeDiff(milliseconds));
|
||||
int rc;
|
||||
do
|
||||
{
|
||||
struct timeval tv;
|
||||
tv.tv_sec = (long) remainingTime.totalSeconds();
|
||||
tv.tv_usec = (long) remainingTime.useconds();
|
||||
Poco::Timestamp start;
|
||||
rc = ::select(0, NULL, NULL, NULL, &tv);
|
||||
if (rc < 0 && errno == EINTR)
|
||||
{
|
||||
Poco::Timestamp end;
|
||||
Poco::Timespan waited = start.elapsed();
|
||||
if (waited < remainingTime)
|
||||
remainingTime -= waited;
|
||||
else
|
||||
remainingTime = 0;
|
||||
}
|
||||
}
|
||||
while (remainingTime > 0 && rc < 0 && errno == EINTR);
|
||||
if (rc < 0 && remainingTime > 0) throw Poco::SystemException("Thread::sleep(): select() failed");
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
void* ThreadImpl::runnableEntry(void* pThread)
|
||||
{
|
||||
_currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread));
|
||||
_currentThreadHolder.set(reinterpret_cast<ThreadImpl*>(pThread));
|
||||
|
||||
#if defined(POCO_OS_FAMILY_UNIX)
|
||||
sigset_t sset;
|
||||
sigemptyset(&sset);
|
||||
sigaddset(&sset, SIGQUIT);
|
||||
sigaddset(&sset, SIGTERM);
|
||||
sigaddset(&sset, SIGPIPE);
|
||||
pthread_sigmask(SIG_BLOCK, &sset, 0);
|
||||
sigset_t sset;
|
||||
sigemptyset(&sset);
|
||||
sigaddset(&sset, SIGQUIT);
|
||||
sigaddset(&sset, SIGTERM);
|
||||
sigaddset(&sset, SIGPIPE);
|
||||
pthread_sigmask(SIG_BLOCK, &sset, 0);
|
||||
#endif
|
||||
|
||||
ThreadImpl* pThreadImpl = reinterpret_cast<ThreadImpl*>(pThread);
|
||||
ThreadImpl* pThreadImpl = reinterpret_cast<ThreadImpl*>(pThread);
|
||||
#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
|
||||
AutoPtr<ThreadData> pData = pThreadImpl->_pData;
|
||||
try
|
||||
{
|
||||
pData->pRunnableTarget->run();
|
||||
}
|
||||
catch (Exception& exc)
|
||||
{
|
||||
ErrorHandler::handle(exc);
|
||||
}
|
||||
catch (std::exception& exc)
|
||||
{
|
||||
ErrorHandler::handle(exc);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
ErrorHandler::handle();
|
||||
}
|
||||
AutoPtr<ThreadData> pData = pThreadImpl->_pData;
|
||||
try
|
||||
{
|
||||
pData->pRunnableTarget->run();
|
||||
}
|
||||
catch (Exception& exc)
|
||||
{
|
||||
ErrorHandler::handle(exc);
|
||||
}
|
||||
catch (std::exception& exc)
|
||||
{
|
||||
ErrorHandler::handle(exc);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
ErrorHandler::handle();
|
||||
}
|
||||
|
||||
pData->pRunnableTarget = 0;
|
||||
pData->done.set();
|
||||
return 0;
|
||||
pData->pRunnableTarget = 0;
|
||||
pData->done.set();
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int ThreadImpl::mapPrio(int prio, int policy)
|
||||
{
|
||||
int pmin = getMinOSPriorityImpl(policy);
|
||||
int pmax = getMaxOSPriorityImpl(policy);
|
||||
int pmin = getMinOSPriorityImpl(policy);
|
||||
int pmax = getMaxOSPriorityImpl(policy);
|
||||
|
||||
switch (prio)
|
||||
{
|
||||
case PRIO_LOWEST_IMPL:
|
||||
return pmin;
|
||||
case PRIO_LOW_IMPL:
|
||||
return pmin + (pmax - pmin)/4;
|
||||
case PRIO_NORMAL_IMPL:
|
||||
return pmin + (pmax - pmin)/2;
|
||||
case PRIO_HIGH_IMPL:
|
||||
return pmin + 3*(pmax - pmin)/4;
|
||||
case PRIO_HIGHEST_IMPL:
|
||||
return pmax;
|
||||
default:
|
||||
poco_bugcheck_msg("invalid thread priority");
|
||||
}
|
||||
return -1; // just to satisfy compiler - we'll never get here anyway
|
||||
switch (prio)
|
||||
{
|
||||
case PRIO_LOWEST_IMPL:
|
||||
return pmin;
|
||||
case PRIO_LOW_IMPL:
|
||||
return pmin + (pmax - pmin)/4;
|
||||
case PRIO_NORMAL_IMPL:
|
||||
return pmin + (pmax - pmin)/2;
|
||||
case PRIO_HIGH_IMPL:
|
||||
return pmin + 3*(pmax - pmin)/4;
|
||||
case PRIO_HIGHEST_IMPL:
|
||||
return pmax;
|
||||
default:
|
||||
poco_bugcheck_msg("invalid thread priority");
|
||||
}
|
||||
return -1; // just to satisfy compiler - we'll never get here anyway
|
||||
}
|
||||
|
||||
|
||||
int ThreadImpl::reverseMapPrio(int prio, int policy)
|
||||
{
|
||||
if (policy == SCHED_OTHER)
|
||||
{
|
||||
int pmin = getMinOSPriorityImpl(policy);
|
||||
int pmax = getMaxOSPriorityImpl(policy);
|
||||
int normal = pmin + (pmax - pmin)/2;
|
||||
if (prio == pmax)
|
||||
return PRIO_HIGHEST_IMPL;
|
||||
if (prio > normal)
|
||||
return PRIO_HIGH_IMPL;
|
||||
else if (prio == normal)
|
||||
return PRIO_NORMAL_IMPL;
|
||||
else if (prio > pmin)
|
||||
return PRIO_LOW_IMPL;
|
||||
else
|
||||
return PRIO_LOWEST_IMPL;
|
||||
}
|
||||
else return PRIO_HIGHEST_IMPL;
|
||||
if (policy == SCHED_OTHER)
|
||||
{
|
||||
int pmin = getMinOSPriorityImpl(policy);
|
||||
int pmax = getMaxOSPriorityImpl(policy);
|
||||
int normal = pmin + (pmax - pmin)/2;
|
||||
if (prio == pmax)
|
||||
return PRIO_HIGHEST_IMPL;
|
||||
if (prio > normal)
|
||||
return PRIO_HIGH_IMPL;
|
||||
else if (prio == normal)
|
||||
return PRIO_NORMAL_IMPL;
|
||||
else if (prio > pmin)
|
||||
return PRIO_LOW_IMPL;
|
||||
else
|
||||
return PRIO_LOWEST_IMPL;
|
||||
}
|
||||
else return PRIO_HIGHEST_IMPL;
|
||||
}
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user