93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/**
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* @file debugerror.h
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* @author Ambroz Bizjak <ambrop7@gmail.com>
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*
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* @section LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @section DESCRIPTION
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*
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* Mechanism for ensuring an object is destroyed from inside an error handler
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* or its jobs.
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*/
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#ifndef BADVPN_MISC_DEBUGERROR_H
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#define BADVPN_MISC_DEBUGERROR_H
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#include <misc/debug.h>
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#include <base/BPending.h>
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#ifndef NDEBUG
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#define DEBUGERROR(de, call) \
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{ \
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ASSERT(!BPending_IsSet(&(de)->job)) \
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BPending_Set(&(de)->job); \
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(call); \
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}
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#else
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#define DEBUGERROR(de, call) { (call); }
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#endif
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typedef struct {
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#ifndef NDEBUG
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BPending job;
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#else
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int dummy_field; // struct must have at least one field
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#endif
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} DebugError;
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static void DebugError_Init (DebugError *o, BPendingGroup *pg);
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static void DebugError_Free (DebugError *o);
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static void DebugError_AssertNoError (DebugError *o);
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#ifndef NDEBUG
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static void _DebugError_job_handler (DebugError *o)
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{
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ASSERT(0);
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}
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#endif
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void DebugError_Init (DebugError *o, BPendingGroup *pg)
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{
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#ifndef NDEBUG
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BPending_Init(&o->job, pg, (BPending_handler)_DebugError_job_handler, o);
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#endif
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}
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void DebugError_Free (DebugError *o)
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{
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#ifndef NDEBUG
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BPending_Free(&o->job);
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#endif
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}
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void DebugError_AssertNoError (DebugError *o)
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{
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#ifndef NDEBUG
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ASSERT(!BPending_IsSet(&o->job))
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#endif
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}
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#endif
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