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POSIX_TRACE_ATTR_DESTROY(P) POSIX_TRACE_ATTR_DESTROY(P)
NAME
posix_trace_attr_destroy, posix_trace_attr_init - destroy and initialize the trace
stream attributes object (TRACING)
SYNOPSIS
#include <trace.h>
int posix_trace_attr_destroy(trace_attr_t *attr);
int posix_trace_attr_init(trace_attr_t *attr);
DESCRIPTION
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 Trace Stream Attributes ).
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 per-
mitted in the Base Definitions volume of IEEE Std 1003.1-2001, Chapter 2, Confor-
mance.
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.
RETURN VALUE
Upon successful completion, these functions shall return a value of zero. Other-
wise, they shall return the corresponding error number.
ERRORS
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.
EXAMPLES
None.
APPLICATION USAGE
None.
RATIONALE
None.
FUTURE DIRECTIONS
None.
SEE ALSO
posix_trace_create() , posix_trace_get_attr() , uname() , the Base Definitions vol-
ume of IEEE Std 1003.1-2001, <trace.h>
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 .
POSIX 2003 POSIX_TRACE_ATTR_DESTROY(P)
Generated by $Id: phpMan.php,v 4.55 2007/09/05 04:42:51 chedong Exp $ Author: Che Dong
On Apache/1.3.41 (Unix) PHP/5.2.5 mod_perl/1.30 mod_gzip/1.3.26.1a
Under GNU General Public License
2009-01-10 10:01 @38.103.63.58 CrawledBy CCBot/1.0 (+http://www.commoncrawl.org/bot.html)