Author neologix
Recipients neologix, vilya
Date 2011-10-28.14:01:06
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> So it's impossible to reliably save and restore signal handlers through 
> python when they can also be changed outside the python interpreter.

signal.getsignal() or signal.signal() return the current/previous handler as a Python function. How could it return a reference to a native (i.e. C) signal handler?
While we could in theory return it as a magic cookie (i.e. the handler's address as returned by sigaction/signal) that can just be passed back to signal.signal(), it would be a bad idea: if the user passes an invalid address, the process will crash when the signal is received.
Date User Action Args
2011-10-28 14:01:07neologixsetrecipients: + neologix, vilya
2011-10-28 14:01:07neologixsetmessageid: <>
2011-10-28 14:01:07neologixlinkissue13285 messages
2011-10-28 14:01:07neologixcreate