size_t check_request_surprise() {
auto& info = TI();
auto& p = info.m_reqInjectionData;
auto const flags = fetchAndClearSurpriseFlags();
auto const do_timedout = (flags & TimedOutFlag) && !p.getDebuggerAttached();
auto const do_memExceeded = flags & MemExceededFlag;
auto const do_signaled = flags & SignaledFlag;
auto const do_cpuTimedOut =
(flags & CPUTimedOutFlag) && !p.getDebuggerAttached();
auto const do_GC = flags & PendingGCFlag;
// Start with any pending exception that might be on the thread.
auto pendingException = info.m_pendingException;
info.m_pendingException = nullptr;
if (do_timedout) {
p.setCPUTimeout(0); // Stop CPU timer so we won't time out twice.
if (pendingException) {
setSurpriseFlag(TimedOutFlag);
} else {
pendingException = generate_request_timeout_exception();
}
}
// Don't bother with the CPU timeout if we're already handling a wall timeout.
if (do_cpuTimedOut && !do_timedout) {
p.setTimeout(0); // Stop wall timer so we won't time out twice.
if (pendingException) {
setSurpriseFlag(CPUTimedOutFlag);
} else {
pendingException = generate_request_cpu_timeout_exception();
}
}
if (do_memExceeded) {
if (pendingException) {
setSurpriseFlag(MemExceededFlag);
} else {
pendingException = generate_memory_exceeded_exception();
}
}
if (do_GC) {
if (StickyFlags & PendingGCFlag) {
clearSurpriseFlag(PendingGCFlag);
}
if (RuntimeOption::EvalEnableGC) {
MM().collect("surprise");
} else {
MM().checkHeap("surprise");
}
}
if (do_signaled) {
HHVM_FN(pcntl_signal_dispatch)();
}
if (pendingException) {
pendingException->throwException();
}
return flags;
}
ssize_t check_request_surprise(ThreadInfo* info) {
auto& p = info->m_reqInjectionData;
auto const flags = p.fetchAndClearFlags();
bool do_timedout = (flags & RequestInjectionData::TimedOutFlag) &&
!p.getDebuggerAttached();
bool do_cpuTimedOut = (flags & RequestInjectionData::CPUTimedOutFlag) &&
!p.getDebuggerAttached();
bool do_memExceeded = (flags & RequestInjectionData::MemExceededFlag);
bool do_signaled = (flags & RequestInjectionData::SignaledFlag);
bool do_intervalTimer = (flags & RequestInjectionData::IntervalTimerFlag);
// Start with any pending exception that might be on the thread.
auto pendingException = info->m_pendingException;
info->m_pendingException = nullptr;
if (do_timedout) {
p.setCPUTimeout(0); // Stop CPU timer so we won't time out twice.
if (pendingException) {
p.setTimedOutFlag();
} else {
pendingException = generate_request_timeout_exception();
}
}
// Don't bother with the CPU timeout if we're already handling a wall timeout.
if (do_cpuTimedOut && !do_timedout) {
p.setTimeout(0); // Stop wall timer so we won't time out twice.
if (pendingException) {
p.setCPUTimedOutFlag();
} else {
pendingException = generate_request_cpu_timeout_exception();
}
}
if (do_memExceeded) {
if (pendingException) {
p.setMemExceededFlag();
} else {
pendingException = generate_memory_exceeded_exception();
}
}
if (do_signaled) {
extern bool HHVM_FN(pcntl_signal_dispatch)();
HHVM_FN(pcntl_signal_dispatch)();
}
if (do_intervalTimer) {
IntervalTimer::RunCallbacks();
}
if (pendingException) {
pendingException->throwException();
}
return flags;
}
size_t check_request_surprise() {
auto& info = TI();
auto& p = info.m_reqInjectionData;
auto const flags = fetchAndClearSurpriseFlags();
auto const do_timedout = (flags & TimedOutFlag) && !p.getDebuggerAttached();
auto const do_memExceeded = flags & MemExceededFlag;
auto const do_memThreshold = flags & MemThresholdFlag;
auto const do_signaled = flags & SignaledFlag;
auto const do_cpuTimedOut =
(flags & CPUTimedOutFlag) && !p.getDebuggerAttached();
auto const do_GC = flags & PendingGCFlag;
// Start with any pending exception that might be on the thread.
auto pendingException = info.m_pendingException;
info.m_pendingException = nullptr;
if (do_timedout) {
p.setCPUTimeout(0); // Stop CPU timer so we won't time out twice.
if (pendingException) {
setSurpriseFlag(TimedOutFlag);
} else {
pendingException = generate_request_timeout_exception();
}
}
// Don't bother with the CPU timeout if we're already handling a wall timeout.
if (do_cpuTimedOut && !do_timedout) {
p.setTimeout(0); // Stop wall timer so we won't time out twice.
if (pendingException) {
setSurpriseFlag(CPUTimedOutFlag);
} else {
pendingException = generate_request_cpu_timeout_exception();
}
}
if (do_memExceeded) {
if (pendingException) {
setSurpriseFlag(MemExceededFlag);
} else {
pendingException = generate_memory_exceeded_exception();
}
}
if (do_memThreshold) {
clearSurpriseFlag(MemThresholdFlag);
if (!g_context->m_memThresholdCallback.isNull()) {
VMRegAnchor _;
try {
vm_call_user_func(g_context->m_memThresholdCallback, empty_array());
} catch (Object& ex) {
raise_error("Uncaught exception escaping mem Threshold callback: %s",
ex.toString().data());
}
}
}
if (do_GC) {
VMRegAnchor _;
if (RuntimeOption::EvalEnableGC) {
MM().collect("surprise");
} else {
MM().checkHeap("surprise");
}
}
if (do_signaled) {
HHVM_FN(pcntl_signal_dispatch)();
}
if (pendingException) {
pendingException->throwException();
}
return flags;
}
size_t handle_request_surprise(c_WaitableWaitHandle* wh, size_t mask) {
auto& info = TI();
auto& p = info.m_reqInjectionData;
auto const flags = fetchAndClearSurpriseFlags() & mask;
auto const debugging = p.getDebuggerAttached();
// Start with any pending exception that might be on the thread.
auto pendingException = info.m_pendingException;
info.m_pendingException = nullptr;
if ((flags & TimedOutFlag) && !debugging) {
p.setCPUTimeout(0); // Stop CPU timer so we won't time out twice.
if (pendingException) {
setSurpriseFlag(TimedOutFlag);
} else {
pendingException = generate_request_timeout_exception(wh);
}
} else if ((flags & CPUTimedOutFlag) && !debugging) {
// Don't bother with the CPU timeout if we're already handling a wall
// timeout.
p.setTimeout(0); // Stop wall timer so we won't time out twice.
if (pendingException) {
setSurpriseFlag(CPUTimedOutFlag);
} else {
pendingException = generate_request_cpu_timeout_exception(wh);
}
}
if (flags & MemExceededFlag) {
if (pendingException) {
setSurpriseFlag(MemExceededFlag);
} else {
pendingException = generate_memory_exceeded_exception(wh);
}
}
if (flags & PendingGCFlag) {
if (StickyFlags & PendingGCFlag) {
clearSurpriseFlag(PendingGCFlag);
}
if (RuntimeOption::EvalEnableGC) {
MM().collect("surprise");
} else {
MM().checkHeap("surprise");
}
}
if (flags & SignaledFlag) {
HHVM_FN(pcntl_signal_dispatch)();
}
if (flags & PendingPerfEventFlag) {
if (StickyFlags & PendingPerfEventFlag) {
clearSurpriseFlag(PendingPerfEventFlag);
}
perf_event_consume(record_perf_mem_event);
}
if (pendingException) {
pendingException->throwException();
}
return flags;
}
