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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
65 lines
1.8 KiB
C
65 lines
1.8 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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/*
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* Copyright 2006 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 _LIBSPL_SYS_CMN_ERR_H
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#define _LIBSPL_SYS_CMN_ERR_H
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#include <atomic.h>
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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
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