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POSIX_TRACE_ATTR_DESTROY(3P)SIX Programmer's ManualIX_TRACE_ATTR_DESTROY(3P)
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_attr_destroy, posix_trace_attr_init — destroy and
initialize the trace stream attributes object (TRACING)
#include <trace.h>
int posix_trace_attr_destroy(trace_attr_t *attr);
int posix_trace_attr_init(trace_attr_t *attr);
The posix_trace_attr_destroy() function shall destroy an initialized
trace attributes object. A destroyed attr attributes object can be
reinitialized using posix_trace_attr_init(); the results of otherwise
referencing the object after it has been destroyed are undefined.
The posix_trace_attr_init() function shall initialize a trace
attributes object attr with the default value for all of the
individual attributes used by a given implementation. The read-only
generation-version and clock-resolution attributes of the newly
initialized trace attributes object shall be set to their appropriate
values (see Section 2.11.1.2, posix_trace_status_info Structure).
Results are undefined if posix_trace_attr_init() is called specifying
an already initialized attr attributes object.
Implementations may add extensions to the trace attributes object
structure as permitted in the Base Definitions volume of
POSIX.1‐2008, Chapter 2, Conformance.
The resulting attributes object (possibly modified by setting
individual attributes values), when used by posix_trace_create(),
defines the attributes of the trace stream created. A single
attributes object can be used in multiple calls to
posix_trace_create(). After one or more trace streams have been
created using an attributes object, any function affecting that
attributes object, including destruction, shall not affect any trace
stream previously created. An initialized attributes object also
serves to receive the attributes of an existing trace stream or trace
log when calling the posix_trace_get_attr() function.
Upon successful completion, these functions shall return a value of
zero. Otherwise, they shall return the corresponding error number.
The posix_trace_attr_destroy() function may fail if:
EINVAL The value of attr is invalid.
The posix_trace_attr_init() function shall fail if:
ENOMEM Insufficient memory exists to initialize the trace attributes
object.
The following sections are informative.
None.
None.
None.
The posix_trace_attr_destroy() and posix_trace_attr_init() functions
may be removed in a future version.
posix_trace_create(3p), posix_trace_get_attr(3p), uname(3p)
The Base Definitions volume of POSIX.1‐2008, trace.h(0p)
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 Electrical 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.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE/The Open Group 2013 POSIX_TRACE_ATTR_DESTROY(3P)
Pages that refer to this page: trace.h(0p), posix_trace_attr_getclockres(3p), posix_trace_attr_getinherited(3p), posix_trace_attr_getlogsize(3p), posix_trace_attr_init(3p), posix_trace_clear(3p), posix_trace_create(3p), posix_trace_get_attr(3p)