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5f3611121d
Commit 11913870 (#14567) added cmn_err_once() by #define'ing a
compound statement but failed to consider usage in a single
statement brace-less if else.
Fix the problem by using the common "do {} while (0)" construct.
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Attila Fülöp <attila@fueloep.org>
Closes #14629
116 lines
3.0 KiB
C
116 lines
3.0 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or https://opensource.org/licenses/CDDL-1.0.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/*
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* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_CMN_ERR_H
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#define _SYS_CMN_ERR_H
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#if !defined(_ASM)
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#include <sys/_stdarg.h>
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#include <sys/atomic.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Common error handling severity levels */
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#define CE_CONT 0 /* continuation */
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#define CE_NOTE 1 /* notice */
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#define CE_WARN 2 /* warning */
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#define CE_PANIC 3 /* panic */
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#define CE_IGNORE 4 /* print nothing */
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#ifndef _ASM
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extern void cmn_err(int, const char *, ...)
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__attribute__((format(printf, 2, 3)));
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extern void vzcmn_err(zoneid_t, int, const char *, __va_list)
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__attribute__((format(printf, 3, 0)));
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extern void vcmn_err(int, const char *, __va_list)
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__attribute__((format(printf, 2, 0)));
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extern void zcmn_err(zoneid_t, int, const char *, ...)
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__attribute__((format(printf, 3, 4)));
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extern void vzprintf(zoneid_t, const char *, __va_list)
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__attribute__((format(printf, 2, 0)));
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extern void zprintf(zoneid_t, const char *, ...)
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__attribute__((format(printf, 2, 3)));
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extern void vuprintf(const char *, __va_list)
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__attribute__((format(printf, 1, 0)));
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extern void panic(const char *, ...)
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__attribute__((format(printf, 1, 2), __noreturn__));
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#define cmn_err_once(ce, ...) \
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do { \
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static volatile uint32_t printed = 0; \
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if (atomic_cas_32(&printed, 0, 1) == 0) { \
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cmn_err(ce, __VA_ARGS__); \
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} \
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} while (0)
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#define vcmn_err_once(ce, fmt, ap) \
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do { \
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static volatile uint32_t printed = 0; \
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if (atomic_cas_32(&printed, 0, 1) == 0) { \
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vcmn_err(ce, fmt, ap); \
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} \
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} while (0)
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#define zcmn_err_once(zone, ce, ...) \
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do { \
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static volatile uint32_t printed = 0; \
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if (atomic_cas_32(&printed, 0, 1) == 0) { \
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zcmn_err(zone, ce, __VA_ARGS__); \
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} \
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} while (0)
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#define vzcmn_err_once(zone, ce, fmt, ap) \
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do { \
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static volatile uint32_t printed = 0; \
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if (atomic_cas_32(&printed, 0, 1) == 0) { \
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vzcmn_err(zone, ce, fmt, ap); \
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} \
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} while (0)
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#endif /* !_ASM */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_CMN_ERR_H */
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