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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "libscf_impl.h"
#include <assert.h>
#include <dlfcn.h>
#include <libintl.h>
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/machelf.h>
#include <thread.h>
#define walkcontext _walkcontext /* work around 4743525 */
#include <ucontext.h>
extern int ndebug;
static struct scf_error_info {
scf_error_t ei_code;
const char *ei_desc;
} scf_errors[] = {
{SCF_ERROR_NONE, "no error"},
{SCF_ERROR_NOT_BOUND, "handle not bound"},
{SCF_ERROR_NOT_SET, "cannot use unset argument"},
{SCF_ERROR_NOT_FOUND, "entity not found"},
{SCF_ERROR_TYPE_MISMATCH, "type does not match value"},
{SCF_ERROR_IN_USE, "cannot modify while in-use"},
{SCF_ERROR_CONNECTION_BROKEN, "connection to repository broken"},
{SCF_ERROR_INVALID_ARGUMENT, "invalid argument"},
{SCF_ERROR_NO_MEMORY, "no memory available"},
{SCF_ERROR_CONSTRAINT_VIOLATED, "required constraint not met"},
{SCF_ERROR_EXISTS, "object already exists"},
{SCF_ERROR_NO_SERVER, "repository server unavailable"},
{SCF_ERROR_NO_RESOURCES, "server has insufficient resources"},
{SCF_ERROR_PERMISSION_DENIED, "insufficient privileges for action"},
{SCF_ERROR_BACKEND_ACCESS, "backend refused access"},
{SCF_ERROR_BACKEND_READONLY, "backend is read-only"},
{SCF_ERROR_HANDLE_MISMATCH, "mismatched SCF handles"},
{SCF_ERROR_HANDLE_DESTROYED, "object bound to destroyed handle"},
{SCF_ERROR_VERSION_MISMATCH, "incompatible SCF version"},
{SCF_ERROR_DELETED, "object has been deleted"},
{SCF_ERROR_CALLBACK_FAILED, "user callback function failed"},
{SCF_ERROR_INTERNAL, "internal error"}
};
#define SCF_NUM_ERRORS (sizeof (scf_errors) / sizeof (*scf_errors))
/* a SWAG just in case things get out of sync, we can notice */
#define LOOKS_VALID(e) \
((e) >= scf_errors[0].ei_code && \
(e) < scf_errors[SCF_NUM_ERRORS - 1].ei_code + 10)
static scf_error_t _scf_fallback_error = SCF_ERROR_NONE;
#if defined(PTHREAD_ONCE_KEY_NP)
static pthread_key_t scf_error_key = PTHREAD_ONCE_KEY_NP;
int
scf_setup_error(void)
{
return (pthread_key_create_once_np(&scf_error_key, NULL) == 0);
}
#else /* PTHREAD_ONCE_KEY_NP */
/*
* This old code is here to enable the building of a native version
* of libscf.so when the build machine has not yet been upgraded
* to a version of libc that provides pthread_key_create_once_np().
* It should be deleted when solaris_nevada ships.
* This code is not MT-safe in a relaxed memory model.
*/
static pthread_key_t scf_error_key = 0;
int
scf_setup_error(void)
{
static pthread_mutex_t scf_key_lock = PTHREAD_MUTEX_INITIALIZER;
static volatile int scf_error_key_setup = 0;
if (scf_error_key_setup == 0) {
(void) pthread_mutex_lock(&scf_key_lock);
if (scf_error_key_setup == 0) {
if (pthread_key_create(&scf_error_key, NULL) == 0)
scf_error_key_setup = 1;
}
(void) pthread_mutex_unlock(&scf_key_lock);
}
return (scf_error_key_setup == 1);
}
#endif /* PTHREAD_ONCE_KEY_NP */
int
scf_set_error(scf_error_t code)
{
assert(LOOKS_VALID(code));
if (scf_setup_error())
(void) pthread_setspecific(scf_error_key, (void *)code);
else
_scf_fallback_error = code;
return (-1);
}
scf_error_t
scf_error(void)
{
scf_error_t ret;
ret = (scf_error_t)pthread_getspecific(scf_error_key);
if (ret == 0)
return (_scf_fallback_error);
assert(LOOKS_VALID(ret));
return (ret);
}
const char *
scf_strerror(scf_error_t code)
{
struct scf_error_info *cur, *end;
cur = scf_errors;
end = cur + SCF_NUM_ERRORS;
for (; cur < end; cur++)
if (code == cur->ei_code)
return (dgettext(TEXT_DOMAIN, cur->ei_desc));
return (dgettext(TEXT_DOMAIN, "unknown error"));
}
const char *
scf_get_msg(scf_msg_t msg)
{
switch (msg) {
case SCF_MSG_ARGTOOLONG:
return (dgettext(TEXT_DOMAIN,
"Argument '%s' is too long, ignoring\n"));
case SCF_MSG_PATTERN_NOINSTANCE:
return (dgettext(TEXT_DOMAIN,
"Pattern '%s' doesn't match any instances\n"));
case SCF_MSG_PATTERN_NOINSTSVC:
return (dgettext(TEXT_DOMAIN,
"Pattern '%s' doesn't match any instances or services\n"));
case SCF_MSG_PATTERN_NOSERVICE:
return (dgettext(TEXT_DOMAIN,
"Pattern '%s' doesn't match any services\n"));
case SCF_MSG_PATTERN_NOENTITY:
return (dgettext(TEXT_DOMAIN,
"Pattern '%s' doesn't match any entities\n"));
case SCF_MSG_PATTERN_MULTIMATCH:
return (dgettext(TEXT_DOMAIN,
"Pattern '%s' matches multiple instances:\n"));
case SCF_MSG_PATTERN_POSSIBLE:
return (dgettext(TEXT_DOMAIN, " %s\n"));
case SCF_MSG_PATTERN_LEGACY:
return (dgettext(TEXT_DOMAIN,
"Operation not supported for legacy service '%s'\n"));
default:
abort();
/* NOTREACHED */
}
}
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