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Fix #6147 DB corruption from child process overwrite

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Don't leave stdout/stderr dangling on a fork.
This commit is contained in:
Howard Chu 2019-11-17 11:41:09 +00:00
parent df9843212a
commit 47d094c0c4
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1 changed files with 6 additions and 1 deletions
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7
src/daemonizer/posix_fork.cpp
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@ -127,13 +127,18 @@ void fork(const std::string & pidfile)
{ {
quit("Unable to open output file: " + output); quit("Unable to open output file: " + output);
} }
#else
if (open("/dev/null", O_WRONLY) < 0)
{
quit("Unable to open /dev/null");
}
#endif
// Also send standard error to the same log file. // Also send standard error to the same log file.
if (dup(1) < 0) if (dup(1) < 0)
{ {
quit("Unable to dup output descriptor"); quit("Unable to dup output descriptor");
} }
#endif
} }
} // namespace posix } // namespace posix