[DTrace-devel] [PATCH] pid: USDT probes cannot have "-" as function name

[Eugene Loh]

Could we have a little more explanation here?  Like, what is wrong with 
the current behavior (which is... to complain that the probe is not 
found?)?  And should any test check the behavior?

On 2/9/26 13:35, Kris Van Hees via DTrace-devel wrote:
> Signed-off-by: Kris Van Hees <kris.van.hees at oracle.com>
> ---
>   libdtrace/dt_pid.c | 4 ++++
>   1 file changed, 4 insertions(+)
>
> diff --git a/libdtrace/dt_pid.c b/libdtrace/dt_pid.c
> index 517b9265..ef97c8d9 100644
> --- a/libdtrace/dt_pid.c
> +++ b/libdtrace/dt_pid.c
> @@ -1568,6 +1568,10 @@ dt_pid_create_usdt_probes(dtrace_probedesc_t *pdp, dtrace_hdl_t *dtp)
>   	char *globpat = NULL;
>   	int err = 0, i, nmatches = 0;
>   
> +	/* If the function name is "-", we're done. */
> +	if (pdp->fun[0] == '-' && pdp->fun[1] == '\0')
> +		return 0;
> +
>   	/* If it cannot end with a pid, we're done. */
>   	if (pdp->prv[0] != '\0') {
>   		char lastchar = pdp->prv[strlen(pdp->prv) - 1];