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Register child processes on linux by intercepting fork. Closes #1883

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baldurk
2020-05-22 22:33:18 +01:00
parent df9b7a36c3
commit d7ed861f9b
4 changed files with 91 additions and 3 deletions
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renderdoc/core/core.cpp
+39 -1
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@@ -825,6 +825,27 @@ void RenderDoc::Tick()
prev_focus = cur_focus;
prev_cap = cur_cap;
// check for any child threads that need to be waited on, remove them from the list
rdcarray<Threading::ThreadHandle> waitThreads;
{
SCOPED_LOCK(m_ChildLock);
for(rdcpair<uint32_t, Threading::ThreadHandle> &c : m_ChildThreads)
{
if(c.first == 0)
waitThreads.push_back(c.second);
}
m_ChildThreads.removeIf(
[](const rdcpair<uint32_t, Threading::ThreadHandle> &c) { return c.first == 0; });
}
// clean up the threads now
for(Threading::ThreadHandle t : waitThreads)
{
Threading::JoinThread(t);
Threading::CloseThread(t);
}
}
void RenderDoc::CycleActiveWindow()
@@ -1684,12 +1705,29 @@ void RenderDoc::AddChildProcess(uint32_t pid, uint32_t ident)
m_Children.push_back(make_rdcpair(pid, ident));
}
rdcarray<rdcpair<uint32_t, uint32_t> > RenderDoc::GetChildProcesses()
rdcarray<rdcpair<uint32_t, uint32_t>> RenderDoc::GetChildProcesses()
{
SCOPED_LOCK(m_ChildLock);
return m_Children;
}
void RenderDoc::CompleteChildThread(uint32_t pid)
{
SCOPED_LOCK(m_ChildLock);
// the thread for this PID is done, mark it as ready to wait on by zero-ing out the PID
for(rdcpair<uint32_t, Threading::ThreadHandle> &c : m_ChildThreads)
{
if(c.first == pid)
c.first = 0;
}
}
void RenderDoc::AddChildThread(uint32_t pid, Threading::ThreadHandle thread)
{
SCOPED_LOCK(m_ChildLock);
m_ChildThreads.push_back(make_rdcpair(pid, thread));
}
rdcarray<CaptureData> RenderDoc::GetCaptures()
{
SCOPED_LOCK(m_CaptureLock);