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NAME

       trace.h - tracing

SYNOPSIS

       #include <trace.h>

DESCRIPTION

       The  <trace.h> header shall define the posix_trace_event_info structure
       that includes at least the following members:

              trace_event_id_t  posix_event_id
              pid_t             posix_pid
              void             *posix_prog_address
              int               posix_truncation_status
              struct timespec   posix_timestamp

              pthread_t         posix_thread_id

       The <trace.h> header shall define the posix_trace_status_info structure
       that includes at least the following members:

              int     posix_stream_status
              int     posix_stream_full_status
              int     posix_stream_overrun_status

              int     posix_stream_flush_status
              int     posix_stream_flush_error
              int     posix_log_overrun_status
              int     posix_log_full_status

       The <trace.h> header shall define the following symbols:

       POSIX_TRACE_ALL_EVENTS

       POSIX_TRACE_APPEND

       POSIX_TRACE_CLOSE_FOR_CHILD

       POSIX_TRACE_FILTER

       POSIX_TRACE_FLUSH
       POSIX_TRACE_FLUSH_START
       POSIX_TRACE_FLUSH_STOP
       POSIX_TRACE_FLUSHING

       POSIX_TRACE_FULL
       POSIX_TRACE_LOOP
       POSIX_TRACE_NO_OVERRUN

       POSIX_TRACE_NOT_FLUSHING

       POSIX_TRACE_NOT_FULL

       POSIX_TRACE_INHERITED

       POSIX_TRACE_NOT_TRUNCATED
       POSIX_TRACE_OVERFLOW
       POSIX_TRACE_OVERRUN
       POSIX_TRACE_RESUME
       POSIX_TRACE_RUNNING
       POSIX_TRACE_START
       POSIX_TRACE_STOP
       POSIX_TRACE_SUSPENDED
       POSIX_TRACE_SYSTEM_EVENTS
       POSIX_TRACE_TRUNCATED_READ
       POSIX_TRACE_TRUNCATED_RECORD
       POSIX_TRACE_UNNAMED_USER_EVENT
       POSIX_TRACE_UNTIL_FULL
       POSIX_TRACE_WOPID_EVENTS

       The following types shall be defined as described in <sys/types.h> :

       trace_attr_t
       trace_id_t
       trace_event_id_t

       trace_event_set_t

       The following shall be declared as functions and may also be defined as
       macros. Function prototypes shall be provided.

              int  posix_trace_attr_destroy(trace_attr_t *);
              int  posix_trace_attr_getclockres(const trace_attr_t *,
                       struct timespec *);
              int  posix_trace_attr_getcreatetime(const trace_attr_t *,
                       struct timespec *);
              int  posix_trace_attr_getgenversion(const trace_attr_t *, char *);

              int  posix_trace_attr_getinherited(const trace_attr_t *restrict,
                       int *restrict);

              int  posix_trace_attr_getlogfullpolicy(const trace_attr_t *restrict,
                       int *restrict);
              int  posix_trace_attr_getlogsize(const trace_attr_t *restrict,
                       size_t *restrict);

              int  posix_trace_attr_getmaxdatasize(const trace_attr_t *restrict,
                       size_t *restrict);
              int  posix_trace_attr_getmaxsystemeventsize(const trace_attr_t *restrict,
                       size_t *restrict);
              int  posix_trace_attr_getmaxusereventsize(const trace_attr_t *restrict,
                       size_t, size_t *restrict);
              int  posix_trace_attr_getname(const trace_attr_t *, char *);
              int  posix_trace_attr_getstreamfullpolicy(const trace_attr_t *restrict,
                       int *restrict);
              int  posix_trace_attr_getstreamsize(const trace_attr_t *restrict,
                       size_t *restrict);
              int  posix_trace_attr_init(trace_attr_t *);

              int  posix_trace_attr_setinherited(trace_attr_t *, int);

              int  posix_trace_attr_setlogfullpolicy(trace_attr_t *, int);
              int  posix_trace_attr_setlogsize(trace_attr_t *, size_t);

              int  posix_trace_attr_setmaxdatasize(trace_attr_t *, size_t);
              int  posix_trace_attr_setname(trace_attr_t *, const char *);
              int  posix_trace_attr_setstreamsize(trace_attr_t *, size_t);
              int  posix_trace_attr_setstreamfullpolicy(trace_attr_t *, int);
              int  posix_trace_clear(trace_id_t);

              int  posix_trace_close(trace_id_t);

              int  posix_trace_create(pid_t, const trace_attr_t *restrict,
                       trace_id_t *restrict);

              int  posix_trace_create_withlog(pid_t, const trace_attr_t *restrict,
                       int, trace_id_t *restrict);

              void posix_trace_event(trace_event_id_t, const void *restrict, size_t);
              int  posix_trace_eventid_equal(trace_id_t, trace_event_id_t,
                       trace_event_id_t);
              int  posix_trace_eventid_get_name(trace_id_t, trace_event_id_t, char *);
              int  posix_trace_eventid_open(const char *restrict,
                       trace_event_id_t *restrict);

              int  posix_trace_eventset_add(trace_event_id_t, trace_event_set_t *);
              int  posix_trace_eventset_del(trace_event_id_t, trace_event_set_t *);
              int  posix_trace_eventset_empty(trace_event_set_t *);
              int  posix_trace_eventset_fill(trace_event_set_t *, int);
              int  posix_trace_eventset_ismember(trace_event_id_t,
                       const trace_event_set_t *restrict, int *restrict);

              int  posix_trace_eventtypelist_getnext_id(trace_id_t,
                       trace_event_id_t *restrict, int *restrict);
              int  posix_trace_eventtypelist_rewind(trace_id_t);

              int  posix_trace_flush(trace_id_t);

              int  posix_trace_get_attr(trace_id_t, trace_attr_t *);

              int  posix_trace_get_filter(trace_id_t, trace_event_set_t *);

              int  posix_trace_get_status(trace_id_t,
                       struct posix_trace_status_info *);
              int  posix_trace_getnext_event(trace_id_t,
                       struct posix_trace_event_info *restrict , void *restrict,
                       size_t, size_t *restrict, int *restrict);

              int  posix_trace_open(int, trace_id_t *);
              int  posix_trace_rewind(trace_id_t);

              int  posix_trace_set_filter(trace_id_t, const trace_event_set_t *, int);

              int  posix_trace_shutdown(trace_id_t);
              int  posix_trace_start(trace_id_t);
              int  posix_trace_stop(trace_id_t);

              int  posix_trace_timedgetnext_event(trace_id_t,
                       struct posix_trace_event_info *restrict, void *restrict,
                       size_t, size_t *restrict, int *restrict,
                       const struct timespec *restrict);

              int  posix_trace_trid_eventid_open(trace_id_t, const char *restrict,
                       trace_event_id_t *restrict);

              int  posix_trace_trygetnext_event(trace_id_t,
                       struct posix_trace_event_info *restrict, void *restrict, size_t,
                       size_t *restrict, int *restrict);

       The following sections are informative.

APPLICATION USAGE

       None.

RATIONALE

       None.

FUTURE DIRECTIONS

       None.

SEE ALSO

       <sys/types.h> , the System Interfaces volume  of  IEEE Std 1003.1-2001,
       Section        2.11,        Tracing,        posix_trace_attr_destroy(),
       posix_trace_attr_getclockres(),       posix_trace_attr_getcreatetime(),
       posix_trace_attr_getgenversion(),      posix_trace_attr_getinherited(),
       posix_trace_attr_getlogfullpolicy(),     posix_trace_attr_getlogsize(),
       posix_trace_attr_getmaxdatasize(),
       posix_trace_attr_getmaxsystemeventsize(),
       posix_trace_attr_getmaxusereventsize(),     posix_trace_attr_getname(),
       posix_trace_attr_getstreamfullpolicy(),
       posix_trace_attr_getstreamsize(),              posix_trace_attr_init(),
       posix_trace_attr_setinherited(),   posix_trace_attr_setlogfullpolicy(),
       posix_trace_attr_setlogsize(),       posix_trace_attr_setmaxdatasize(),
       posix_trace_attr_setname(),           posix_trace_attr_setstreamsize(),
       posix_trace_attr_setstreamfullpolicy(),            posix_trace_clear(),
       posix_trace_close(),                              posix_trace_create(),
       posix_trace_create_withlog(),                      posix_trace_event(),
       posix_trace_eventid_equal(),            posix_trace_eventid_get_name(),
       posix_trace_eventid_open(),     posix_trace_eventtypelist_getnext_id(),
       posix_trace_eventtypelist_rewind(),         posix_trace_eventset_add(),
       posix_trace_eventset_del(),               posix_trace_eventset_empty(),
       posix_trace_eventset_fill(),           posix_trace_eventset_ismember(),
       posix_trace_flush(),  posix_trace_get_attr(), posix_trace_get_filter(),
       posix_trace_get_status(),                  posix_trace_getnext_event(),
       posix_trace_open(),   posix_trace_rewind(),   posix_trace_set_filter(),
       posix_trace_shutdown(),    posix_trace_start(),     posix_trace_stop(),
       posix_trace_timedgetnext_event(),      posix_trace_trid_eventid_open(),
       posix_trace_trygetnext_event()

COPYRIGHT

       Portions of this text are reprinted and reproduced in  electronic  form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       -- Portable Operating System Interface (POSIX),  The  Open  Group  Base
       Specifications  Issue  6,  Copyright  (C) 2001-2003 by the Institute of
       Electrical and Electronics Engineers, Inc and The Open  Group.  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.opengroup.org/unix/online.html .