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printMsg(): Don't check for interrupts

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Having the logger function potentially throw exceptions is
Heisenbuggy.
This commit is contained in:
Eelco Dolstra 2016-09-16 18:52:42 +02:00
parent 2e1493037b
commit 054be50257
3 changed files with 15 additions and 17 deletions
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12
src/libutil/logging.cc
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@ -60,14 +60,12 @@ void warnOnce(bool & haveWarned, const FormatOrString & fs)
void writeToStderr(const string & s)
{
try {
writeFull(STDERR_FILENO, s);
writeFull(STDERR_FILENO, s, false);
} catch (SysError & e) {
/* Ignore failing writes to stderr if we're in an exception
handler, otherwise throw an exception. We need to ignore
write errors in exception handlers to ensure that cleanup
code runs to completion if the other side of stderr has
been closed unexpectedly. */
if (!std::uncaught_exception()) throw;
/* Ignore failing writes to stderr. We need to ignore write
errors to ensure that cleanup code that logs to stderr runs
to completion if the other side of stderr has been closed
unexpectedly. */
}
}