Ejemplos de dt_probe_destroy en C++ (Cpp)

Ejemplo n.º 1

Archivo: dt_provider.c Proyecto: 0xffffffRabbit/NextBSD-1

dt_probe_t *
dt_probe_create(dtrace_hdl_t *dtp, dt_ident_t *idp, int protoc,
    dt_node_t *nargs, uint_t nargc, dt_node_t *xargs, uint_t xargc)
{
	dt_module_t *dmp;
	dt_probe_t *prp;
	const char *p;
	uint_t i;

	assert(idp->di_kind == DT_IDENT_PROBE);
	assert(idp->di_data == NULL);

	/*
	 * If only a single prototype is given, set xargc/s to nargc/s to
	 * simplify subsequent use.  Note that we can have one or both of nargs
	 * and xargs be specified but set to NULL, indicating a void prototype.
	 */
	if (protoc < 2) {
		assert(xargs == NULL);
		assert(xargc == 0);
		xargs = nargs;
		xargc = nargc;
	}

	if ((prp = dt_alloc(dtp, sizeof (dt_probe_t))) == NULL)
		return (NULL);

	prp->pr_pvp = NULL;
	prp->pr_ident = idp;

	p = strrchr(idp->di_name, ':');
	assert(p != NULL);
	prp->pr_name = p + 1;

	prp->pr_nargs = nargs;
	prp->pr_nargv = dt_alloc(dtp, sizeof (dt_node_t *) * nargc);
	prp->pr_nargc = nargc;
	prp->pr_xargs = xargs;
	prp->pr_xargv = dt_alloc(dtp, sizeof (dt_node_t *) * xargc);
	prp->pr_xargc = xargc;
	prp->pr_mapping = dt_alloc(dtp, sizeof (uint8_t) * xargc);
	prp->pr_inst = NULL;
	prp->pr_argv = dt_alloc(dtp, sizeof (dtrace_typeinfo_t) * xargc);
	prp->pr_argc = xargc;

	if ((prp->pr_nargc != 0 && prp->pr_nargv == NULL) ||
	    (prp->pr_xargc != 0 && prp->pr_xargv == NULL) ||
	    (prp->pr_xargc != 0 && prp->pr_mapping == NULL) ||
	    (prp->pr_argc != 0 && prp->pr_argv == NULL)) {
		dt_probe_destroy(prp);
		return (NULL);
	}

	for (i = 0; i < xargc; i++, xargs = xargs->dn_list) {
		if (xargs->dn_string != NULL)
			prp->pr_mapping[i] = dt_probe_argmap(xargs, nargs);
		else
			prp->pr_mapping[i] = i;

		prp->pr_xargv[i] = xargs;

		if ((dmp = dt_module_lookup_by_ctf(dtp,
		    xargs->dn_ctfp)) != NULL)
			prp->pr_argv[i].dtt_object = dmp->dm_name;
		else
			prp->pr_argv[i].dtt_object = NULL;

		prp->pr_argv[i].dtt_ctfp = xargs->dn_ctfp;
		prp->pr_argv[i].dtt_type = xargs->dn_type;
	}

	for (i = 0; i < nargc; i++, nargs = nargs->dn_list)
		prp->pr_nargv[i] = nargs;

	idp->di_data = prp;
	return (prp);
}

Ejemplo n.º 2

static void
dt_iddtor_probe(dt_ident_t *idp)
{
	if (idp->di_data != NULL)
		dt_probe_destroy(idp->di_data);
}