Manpage of SETLOGMASK
SETLOGMASKSection: Linux Programmer's Manual (3)
NAMEsetlogmask - set log priority mask
#include <syslog.h>int setlogmask(int mask);
DESCRIPTIONA process has a log priority mask that determines which calls to syslog(3) may be logged. All other calls will be ignored. Logging is enabled for the priorities that have the corresponding bit set in mask. The initial mask is such that logging is enabled for all priorities.
The setlogmask() function sets this logmask for the calling process, and returns themask. If the mask argument is 0, the current logmask is not modified.
The eight priorities are LOG_EMERG, LOG_ALERT, LOG_CRIT, LOG_ERR, LOG_WARNING, LOG_NOTICE, LOG_INFO, and LOG_DEBUG. The bit corresponding to a priority pis LOG_MASK(p). Some systems also provide a macro LOG_UPTO(p)for the mask of all priorities in the above list up to and including p.
RETURN VALUEThis function returns the log priority mask.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
|setlogmask()||Thread safety||MT-Unsafe race:LogMask|
CONFORMING TOPOSIX.1-2001, POSIX.1-2008.
SEE ALSOcloselog(3), openlog(3), syslog(3)
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