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diff --git a/man-pages-posix-2013/man3p/posix_trace_clear.3p b/man-pages-posix-2013/man3p/posix_trace_clear.3p new file mode 100644 index 0000000..37669b6 --- /dev/null +++ b/man-pages-posix-2013/man3p/posix_trace_clear.3p @@ -0,0 +1,125 @@ +'\" et +.TH POSIX_TRACE_CLEAR "3P" 2013 "IEEE/The Open Group" "POSIX Programmer's Manual" +.SH PROLOG +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. + +.SH NAME +posix_trace_clear +\(em clear trace stream and trace log +(\fBTRACING\fP) +.SH SYNOPSIS +.LP +.nf +#include <sys/types.h> +#include <trace.h> +.P +int posix_trace_clear(trace_id_t \fItrid\fP); +.fi +.SH DESCRIPTION +The +\fIposix_trace_clear\fR() +function shall reinitialize the trace stream identified by the argument +.IR trid +as if it were returning from the +\fIposix_trace_create\fR() +function, except that the same allocated resources shall be reused, the +mapping of trace event type identifiers to trace event names shall be +unchanged, and the trace stream status shall remain unchanged (that is, +if it was running, it remains running and if it was suspended, it +remains suspended). +.P +All trace events in the trace stream recorded before the call to +\fIposix_trace_clear\fR() +shall be lost. The +.IR posix_stream_full_status +status shall be set to POSIX_TRACE_NOT_FULL. +There is no guarantee that all trace events that occurred during the +\fIposix_trace_clear\fR() +call are recorded; the behavior with respect to trace points that may +occur during this call is unspecified. +.P +If the Trace Log option is supported and the trace stream has been +created with a log, the +\fIposix_trace_clear\fR() +function shall reinitialize the trace stream with the same behavior as +if the trace stream was created without the log, plus it shall +reinitialize the trace log associated with the trace stream identified +by the argument +.IR trid +as if it were returning from the +\fIposix_trace_create_withlog\fR() +function, except that the same allocated resources, for the trace log, +may be reused and the associated trace stream status remains unchanged. +The first trace event recorded in the trace log after the call to +\fIposix_trace_clear\fR() +shall be the same as the first trace event recorded in the active trace +stream after the call to +\fIposix_trace_clear\fR(). +The +.IR posix_log_full_status +status shall be set to POSIX_TRACE_NOT_FULL. There is no guarantee +that all trace events that occurred during the +\fIposix_trace_clear\fR() +call are recorded in the trace log; the behavior with respect to trace +points that may occur during this call is unspecified. If the log full +policy is POSIX_TRACE_APPEND, the effect of a call to this function is +unspecified for the trace log associated with the trace stream +identified by the +.IR trid +argument. +.SH "RETURN VALUE" +Upon successful completion, the +\fIposix_trace_clear\fR() +function shall return a value of zero. Otherwise, it shall return the +corresponding error number. +.SH ERRORS +The +\fIposix_trace_clear\fR() +function shall fail if: +.TP +.BR EINVAL +The value of the +.IR trid +argument does not correspond to an active trace stream. +.LP +.IR "The following sections are informative." +.SH EXAMPLES +None. +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +None. +.SH "FUTURE DIRECTIONS" +The +\fIposix_trace_clear\fR() +function may be removed in a future version. +.SH "SEE ALSO" +.ad l +.IR "\fIposix_trace_attr_destroy\fR\^(\|)", +.IR "\fIposix_trace_create\fR\^(\|)", +.IR "\fIposix_trace_get_attr\fR\^(\|)" +.ad b +.P +The Base Definitions volume of POSIX.1\(hy2008, +.IR "\fB<sys_types.h>\fP", +.IR "\fB<trace.h>\fP" +.SH COPYRIGHT +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 . |