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Technical Reference: Base Operating System and Extensions, Volume 2

trcstart Subroutine

Purpose

Starts a trace session.

Library

Runtime Services Library (librts.a)

Syntax


int trcstart( Argument)
char *Argument;

Description

The trcstart subroutine starts a trace session. The Argument parameter points to a character string containing the flags invoked with the trace daemon. To specify that a generic trace session is to be started, include the -g flag.

Parameters

Argument Character pointer to a string holding valid arguments from the trace daemon.

Return Values

If the trace daemon is started successfully, the channel number is returned. Channel number 0 is returned if a generic trace was not requested. If the trace daemon is not started successfully, a value of -1 is returned.

Files

/dev/trace Trace special file.  

Related Information

The trcon (trcon Subroutine) subroutine.

The trace daemon.

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