================
@@ -295,26 +243,17 @@ MainLoopPosix::RegisterSignal(int signo, const Callback
&callback,
sigaddset(&new_action.sa_mask, signo);
sigset_t old_set;
- g_signal_flags[signo] = 0;
+ // Set signal info before installing the signal handler!
+ g_signal_info[signo].pipe_fd = m_trigger_pipe.GetWriteFileDescriptor();
----------------
labath wrote:
It can happen if we have multiple MainLoop instances listening for different
signals. Currently we are promising that to work, although I don't think anyone
makes use of that ability, nor do I expect anyone to use for the foreseeable
future. So, the answer could be yes or no, depending on how you meant the
question.
I do think this is a nice property to have ("you can only have one main loop
listening for a specific signal" sounds better than "you can only have one main
loop listening for signals"), and I don't think the alternatives would be much
simpler.
https://github.com/llvm/llvm-project/pull/115197
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