355b4669e025ff377602b6fc7caaf30dbc218371jacobs/*
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * CDDL HEADER START
355b4669e025ff377602b6fc7caaf30dbc218371jacobs *
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * The contents of this file are subject to the terms of the
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * Common Development and Distribution License (the "License").
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * You may not use this file except in compliance with the License.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs *
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * or http://www.opensolaris.org/os/licensing.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * See the License for the specific language governing permissions
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * and limitations under the License.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs *
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * When distributing Covered Code, include this CDDL HEADER in each
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * If applicable, add the following below this CDDL HEADER, with the
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * fields enclosed by brackets "[]" replaced with your own identifying
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * information: Portions Copyright [yyyy] [name of copyright owner]
355b4669e025ff377602b6fc7caaf30dbc218371jacobs *
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * CDDL HEADER END
355b4669e025ff377602b6fc7caaf30dbc218371jacobs */
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs/*
a18dc42fc967d11feba9b8be61c6727dc6c56b48ps * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs * Use is subject to license terms.
355b4669e025ff377602b6fc7caaf30dbc218371jacobs *
355b4669e025ff377602b6fc7caaf30dbc218371jacobs */
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs/* $Id: psm.c 146 2006-03-24 00:26:54Z njacobs $ */
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#pragma ident "%Z%%M% %I% %E% SMI"
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#include <stdio.h>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#include <unistd.h>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#include <errno.h>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#include <string.h>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#include <dlfcn.h>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#include <papi_impl.h>
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#ifndef RTLD_GROUP
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#define RTLD_GROUP 0
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#endif /* RTLD_GROUP */
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#ifndef PSM_DIR
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#define PSM_DIR "/usr/lib/print"
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#endif
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobspapi_status_t
355b4669e025ff377602b6fc7caaf30dbc218371jacobspsm_open(service_t *svc, char *scheme)
355b4669e025ff377602b6fc7caaf30dbc218371jacobs{
355b4669e025ff377602b6fc7caaf30dbc218371jacobs papi_status_t result = PAPI_OK;
a18dc42fc967d11feba9b8be61c6727dc6c56b48ps char path[BUFSIZ];
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
a18dc42fc967d11feba9b8be61c6727dc6c56b48ps if ((scheme == NULL) || (strchr(scheme, '/') != NULL))
355b4669e025ff377602b6fc7caaf30dbc218371jacobs return (PAPI_BAD_ARGUMENT);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
a18dc42fc967d11feba9b8be61c6727dc6c56b48ps snprintf(path, sizeof (path), PSM_DIR "/psm-%s.so", scheme);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs svc->so_handle = dlopen(path, RTLD_LAZY|RTLD_LOCAL|RTLD_GROUP);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs if (svc->so_handle == NULL) { /* failed, set the result/message */
355b4669e025ff377602b6fc7caaf30dbc218371jacobs if ((access(path, F_OK) < 0) && (errno == ENOENT))
355b4669e025ff377602b6fc7caaf30dbc218371jacobs result = PAPI_URI_SCHEME;
355b4669e025ff377602b6fc7caaf30dbc218371jacobs else
355b4669e025ff377602b6fc7caaf30dbc218371jacobs result = PAPI_NOT_POSSIBLE;
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#ifdef DEBUG
355b4669e025ff377602b6fc7caaf30dbc218371jacobs detailed_error(svc, "psm_open(%s): %s: %s", scheme, path,
355b4669e025ff377602b6fc7caaf30dbc218371jacobs dlerror());
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#endif
355b4669e025ff377602b6fc7caaf30dbc218371jacobs }
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs return (result);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs}
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobsvoid
355b4669e025ff377602b6fc7caaf30dbc218371jacobspsm_close(void *handle)
355b4669e025ff377602b6fc7caaf30dbc218371jacobs{
355b4669e025ff377602b6fc7caaf30dbc218371jacobs dlclose(handle);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs}
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobsvoid *
355b4669e025ff377602b6fc7caaf30dbc218371jacobspsm_sym(service_t *svc, char *name)
355b4669e025ff377602b6fc7caaf30dbc218371jacobs{
355b4669e025ff377602b6fc7caaf30dbc218371jacobs char *error = "invalid input";
355b4669e025ff377602b6fc7caaf30dbc218371jacobs void *func = NULL;
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs if ((svc != NULL) && (svc->so_handle != NULL) && (name != NULL)) {
355b4669e025ff377602b6fc7caaf30dbc218371jacobs if ((func = dlsym(svc->so_handle, name)) == NULL)
355b4669e025ff377602b6fc7caaf30dbc218371jacobs error = dlerror();
355b4669e025ff377602b6fc7caaf30dbc218371jacobs }
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#ifdef DEBUG
355b4669e025ff377602b6fc7caaf30dbc218371jacobs if (func == NULL)
355b4669e025ff377602b6fc7caaf30dbc218371jacobs detailed_error(svc, "psm_sym(%s): %s", name, error);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs#endif
355b4669e025ff377602b6fc7caaf30dbc218371jacobs
355b4669e025ff377602b6fc7caaf30dbc218371jacobs return (func);
355b4669e025ff377602b6fc7caaf30dbc218371jacobs}