setlogmask - phpMan

SETLOGMASK(3)              Linux Programmer’s Manual             SETLOGMASK(3)



NAME
       setlogmask - set log priority mask

SYNOPSIS
       #include <syslog.h>

       int setlogmask(int mask);

DESCRIPTION
       A  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 current  process,  and  returns
       the previous mask.  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 p is
       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 VALUE
       This function returns the previous log priority mask.

ERRORS
       None.

CONFORMING TO
       XPG4.  Note that the description in POSIX 1003.1-2001 is flawed.

SEE ALSO
       closelog(3), openlog(3), syslog(3)



                                  2001-10-05                     SETLOGMASK(3)

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