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authorDenys Vlasenko <vda.linux@googlemail.com>2009-12-13 04:00:52 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2009-12-13 04:00:52 +0100
commit1eac4f3880f10a4a9702939b60d322b40db08972 (patch)
tree27ae85f869fb3b1d5744f5207e4c4bf9c941f93d /extra/scripts/gen_bits_syscall_h.sh
parenta92f0c261364774d4f844300dd2c3b11e9deaf02 (diff)
syslog: fix openlog(xx, LOG_KERN) and optimize a bit
The fix: logfac == 0 in openlog(xx, logfac) is allowed now. Corresponding internal openlog() call in vsyslog() uses explicit LOG_USER in order to set it as a default facility. Optimizations: mylock is not recursive now, since a single intenal call of openlog is converted to a call to openlog_internal which assumes that lock is already taken. No recursive locking is possible now. LogFacility is reduced to byte. cache static LogFile in auto variable fd (smaller code). vsyslog with bogus pri parameter wouldn't lock/unlock and mess with signals - it will just return at once. pass NULL as ident string in internal openlog call - same effect as passing LogTag but smaller code. comment out "if (LogTag)" checks - it is never NULL. use the same struct sigaction for setting new sigaction and for saving old one - saves ~32 bytes of stack. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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