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[lldb][AIX] AIX Changes for MainLoop polling #120378

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Merged
merged 6 commits into from
Dec 27, 2024
Merged

[lldb][AIX] AIX Changes for MainLoop polling #120378

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cf6a863
AIX Changes for MainLoop
DhruvSrivastavaX Dec 18, 2024
636117a
Merge branch 'llvm:main' into aix-mainloop
DhruvSrivastavaX Dec 18, 2024
4eff463
Merge branch 'llvm:main' into aix-mainloop
DhruvSrivastavaX Dec 23, 2024
7dc11e3
Implemented Wrapper with HAVE_PPOLL
DhruvSrivastavaX Dec 23, 2024
b9ceb61
blunder
DhruvSrivastavaX Dec 23, 2024
b262aa3
Moving StartPoll
DhruvSrivastavaX Dec 26, 2024
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16 changes: 14 additions & 2 deletions lldb/source/Host/posix/MainLoopPosix.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -170,11 +170,23 @@ Status MainLoopPosix::RunImpl::Poll() {
read_fds.push_back(pfd);
}

#if defined(_AIX)
sigset_t origmask;
int timeout;

timeout = -1;
pthread_sigmask(SIG_SETMASK, nullptr, &origmask);
int ready = poll(read_fds.data(), read_fds.size(), timeout);
pthread_sigmask(SIG_SETMASK, &origmask, nullptr);
if (ready == -1 && errno != EINTR)
return Status(errno, eErrorTypePOSIX);
#else
if (ppoll(read_fds.data(), read_fds.size(),
ToTimeSpec(loop.GetNextWakeupTime()),
/*sigmask=*/nullptr) == -1 &&
errno != EINTR)
return Status(errno, eErrorTypePOSIX);
#endif

return Status();
}
Expand Down Expand Up @@ -226,13 +238,13 @@ MainLoopPosix::~MainLoopPosix() {
#endif
m_read_fds.erase(m_interrupt_pipe.GetReadFileDescriptor());
m_interrupt_pipe.Close();
assert(m_read_fds.size() == 0);
assert(m_read_fds.size() == 0);
assert(m_signals.size() == 0);
}

MainLoopPosix::ReadHandleUP
MainLoopPosix::RegisterReadObject(const IOObjectSP &object_sp,
const Callback &callback, Status &error) {
const Callback &callback, Status &error) {
if (!object_sp || !object_sp->IsValid()) {
error = Status::FromErrorString("IO object is not valid.");
return nullptr;
Expand Down
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