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In article <vlip2c$24ccb$1@dont-email.me>, <Muttley@DastardlyHQ.org> wrote:On Mon, 06 Jan 2025 16:46:56 GMT>
ITYF it is VERY widely shared and having a signal safe API function is only
step 2 - plenty of the functions in the program itself or 3rd party library
functions are probably not re-entrant safe and even if they are, having
code stomp over itself - eg if in the middle of writing a log message then a
signal is generated which tried to write a log message itself - is a very
poor way to write code.
So don't write code that way. It does not follow that the only
thing you can do in a signal handler is an some atomic flag
somewhere.
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