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Discover new threads right before we continue a process since libdispatch has 

been known to make threads for us while our process/task is suspended.

llvm-svn: 124111
This commit is contained in:
Greg Clayton 2011-01-24 06:22:23 +00:00
parent 26783fea37
commit 050f33cee8
1 changed files with 14 additions and 13 deletions
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27
lldb/tools/debugserver/source/MacOSX/MachThreadList.cpp
View File

@ -315,6 +315,13 @@ void
MachThreadList::ProcessWillResume(MachProcess *process, const DNBThreadResumeActions &thread_actions)
{
PTHREAD_MUTEX_LOCKER (locker, m_threads_mutex);
// Update our thread list, because sometimes libdispatch or the kernel
// will spawn threads while a task is suspended.
MachThreadList::collection new_threads;
UpdateThreadList(process, true, &new_threads);
const uint32_t num_threads = m_threads.size();
for (uint32_t idx = 0; idx < num_threads; ++idx)
{
@ -326,21 +333,15 @@ MachThreadList::ProcessWillResume(MachProcess *process, const DNBThreadResumeAct
thread->ThreadWillResume (thread_action);
}
if (DNBLogCheckLogBit(LOG_THREAD))
if (new_threads.size())
{
MachThreadList::collection new_threads;
UpdateThreadList(process, true, &new_threads);
if (new_threads.size())
for (uint32_t idx = 0, num_new_threads = new_threads.size(); idx < num_new_threads; ++idx)
{
for (uint32_t idx = 0, num_new_threads = new_threads.size(); idx < num_new_threads; ++idx)
{
DNBLogThreadedIf (LOG_THREAD, "MachThreadList::ProcessWillResume (pid = %4.4x) stop-id=%u, newly discovered thread: 0x%4.4x, thread-is-user-ready=%i)",
process->ProcessID(),
process->StopCount(),
new_threads[idx]->ThreadID(),
new_threads[idx]->IsUserReady());
}
DNBLogThreadedIf (LOG_THREAD, "MachThreadList::ProcessWillResume (pid = %4.4x) stop-id=%u, resuming newly discovered thread: 0x%4.4x, thread-is-user-ready=%i)",
process->ProcessID(),
process->StopCount(),
new_threads[idx]->ThreadID(),
new_threads[idx]->IsUserReady());
}
}
}