method

disable

v2_6_3 - Show latest stable - 0 notes - Class: TracePoint

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What's this?

disable() public

Deactivates the trace

Return true if trace was enabled. Return false if trace was disabled.

trace.enabled?       #=> true
trace.disable        #=> true (previous status)
trace.enabled?       #=> false
trace.disable        #=> false

If a block is given, the trace will only be disable within the scope of the block.

trace.enabled?
#=> true

trace.disable do
    trace.enabled?
    # only disabled for this block
end

trace.enabled?
#=> true

Note: You cannot access event hooks within the block.

trace.disable { p tp.lineno }
#=> RuntimeError: access from outside

Show source

static VALUE
tracepoint_disable_m(VALUE tpval)
{
    rb_tp_t *tp = tpptr(tpval);
    int previous_tracing = tp->tracing;

    if (rb_block_given_p()) {
        if (tp->local_target_set != Qfalse) {
            rb_raise(rb_eArgError, "can't disable a targetting TracePoint in a block");
        }

        rb_tracepoint_disable(tpval);
        return rb_ensure(rb_yield, Qundef,
                         previous_tracing ? rb_tracepoint_enable : rb_tracepoint_disable,
                         tpval);
    }
    else {
        rb_tracepoint_disable(tpval);
        return previous_tracing ? Qtrue : Qfalse;
    }
}

disable

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