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Folks, I can't find the re-entrant version of syslog() for Linux...is there one? And if no, what do you? The obvious answer is to move logging facility into separate thread and serialise access to syslog...
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According to the POSIX specification, the syslog function is already thread-safe, and so implemented in Linux. So syslog_r is unnecessary - use syslog if you need a reentrant logger function.