posix_trace_eventset_add man page on Archlinux

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       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

       posix_trace_eventset_add, posix_trace_eventset_del,
       posix_trace_eventset_empty, posix_trace_eventset_fill,
       posix_trace_eventset_ismember — manipulate trace event type sets (TRAC‐

       #include <trace.h>

       int posix_trace_eventset_add(trace_event_id_t event_id,
	   trace_event_set_t *set);
       int posix_trace_eventset_del(trace_event_id_t event_id,
	   trace_event_set_t *set);
       int posix_trace_eventset_empty(trace_event_set_t *set);
       int posix_trace_eventset_fill(trace_event_set_t *set, int what);
       int posix_trace_eventset_ismember(trace_event_id_t event_id,
	   const trace_event_set_t *restrict set, int *restrict ismember);

       These  primitives manipulate sets of trace event types. They operate on
       data objects addressable by the application, not on the	current	 trace
       event filter of any trace stream.

       The  posix_trace_eventset_add()	and  posix_trace_eventset_del()	 func‐
       tions, respectively, shall add or delete	 the  individual  trace	 event
       type  specified	by  the	 value of the argument event_id to or from the
       trace event type set pointed to by the argument set.   Adding  a	 trace
       event type already in the set or deleting a trace event type not in the
       set shall not be considered an error.

       The posix_trace_eventset_empty() function shall	initialize  the	 trace
       event type set pointed to by the set argument such that all trace event
       types defined, both system and user, shall be excluded from the set.

       The posix_trace_eventset_fill() function	 shall	initialize  the	 trace
       event  type  set	 pointed  to by the argument set, such that the set of
       trace event types defined by the argument what shall be included in the
       set. The value of the argument what shall consist of one of the follow‐
       ing values, as defined in the <trace.h> header:

	     All the process-independent implementation-defined	 system	 trace
	     event types are included in the set.

	     All  the  implementation-defined  system  trace  event  types are
	     included in the set, as are those defined in POSIX.1‐2008.

	     All trace event types defined, both system and user, are included
	     in the set.

       Applications   shall   call   either   posix_trace_eventset_empty()  or
       posix_trace_eventset_fill() at least  once  for	each  object  of  type
       trace_event_set_t  prior	 to  any  other use of that object. If such an
       object is not initialized in this way, but is nonetheless  supplied  as
       an    argument	 to    any    of    the	   posix_trace_eventset_add(),
       posix_trace_eventset_del(),  or	posix_trace_eventset_ismember()	 func‐
       tions, the results are undefined.

       The  posix_trace_eventset_ismember()  function  shall  test whether the
       trace event type specified by the value of the argument event_id	 is  a
       member  of  the set pointed to by the argument set.  The value returned
       in the object pointed to by ismember argument  is  zero	if  the	 trace
       event  type identifier is not a member of the set and a value different
       from zero if it is a member of the set.

       Upon successful completion, these functions shall  return  a  value  of
       zero. Otherwise, they shall return the corresponding error number.

       These functions may fail if:

       EINVAL The value of one of the arguments is invalid.

       The following sections are informative.




       The	 posix_trace_eventset_add(),	   posix_trace_eventset_del(),
       posix_trace_eventset_empty(),	 posix_trace_eventset_fill(),	   and
       posix_trace_eventset_ismember()	functions  may	be removed in a future

       posix_trace_eventid_equal(), posix_trace_get_filter()

       The Base Definitions volume of POSIX.1‐2008, <trace.h>

       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),	The  Open  Group  Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal and Electronics Engineers,  Inc  and	 The  Open  Group.   (This  is
       POSIX.1-2008  with  the	2013  Technical Corrigendum 1 applied.) In the
       event of any discrepancy between this version and the original IEEE and
       The  Open Group Standard, the original IEEE and The Open Group Standard
       is the referee document. The original Standard can be  obtained	online
       at http://www.unix.org/online.html .

       Any  typographical  or  formatting  errors that appear in this page are
       most likely to have been introduced during the conversion of the source
       files  to  man page format. To report such errors, see https://www.ker‐
       nel.org/doc/man-pages/reporting_bugs.html .

IEEE/The Open Group		     2013	  POSIX_TRACE_EVENTSET_ADD(3P)

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