NAME

tt_trace_control − control client-side tracing

SYNOPSIS

#include <Tt/tt_c.h>
int tt_trace_control(int onoff);

DESCRIPTION

The tt_trace_control() function sets or clears an internal flag controlling all client-side tracing. The intent of this is to be called from debugger breakpoints, allowing a programmer to narrow the trace to the suspect area.

The value of the onoff argument affects tracing as follows:

 0 Tracing is turned off. 

 1 Tracing is turned on. 

−1 Tracing is turned on if it was off and vice-versa. 

RETURN VALUE

The tt_trace_control() function returns the previous setting of the trace flag.

APPLICATION USAGE

This call does not return one of the TT_xxx type of errors or warnings, but only the numbers 1 or zero. 

SEE ALSO

Tttt_c(5), ttsession(1). 

  —  11 May 1994