assert.c

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/* -*- C -*- */
/*
 * Copyright (c) 2011-2020 Seagate Technology LLC and/or its Affiliates
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For any questions about this software or licensing,
 * please email opensource@seagate.com or cortx-questions@seagate.com.
 *
 */


#define M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_LIB
#include "lib/trace.h"

#include "lib/assert.h"
#include "lib/misc.h"            /* M0_CAT */
#include "lib/trace_internal.h"  /* m0_trace_file_path_get */
#include "motr/version.h"        /* m0_build_info */

void m0_panic(const struct m0_panic_ctx *ctx, ...)
{
        static int repanic = 0;
        va_list    ap;
        const struct m0_build_info *bi = m0_build_info_get();

        if (repanic++ == 0) {
                M0_LOG(M0_FATAL, "panic: %s at %s() (%s:%i) %s [git: %s] %s",
                       ctx->pc_expr, ctx->pc_func, ctx->pc_file, ctx->pc_lineno,
                       m0_failed_condition ?: "", bi->bi_git_describe,
                       m0_trace_file_path_get());
                va_start(ap, ctx);
                m0_arch_panic(ctx, ap);
                va_end(ap);
        } else {
                /* The death of God left the angels in a strange position. */
                while (true) {
                        ;
                }
        }
}
M0_EXPORTED(m0_panic);

M0_INTERNAL void m0_panic_only(const struct m0_panic_ctx *ctx, ...)
{
        va_list ap;

        va_start(ap, ctx);
        m0_arch_panic(ctx, ap);
        va_end(ap);
}

void m0_backtrace(void)
{
        m0_arch_backtrace();
}
M0_EXPORTED(m0_backtrace);

M0_INTERNAL void m0__assertion_hook(void)
{
}
M0_EXPORTED(m0__assertion_hook);

#undef M0_TRACE_SUBSYSTEM

/*
 *  Local variables:
 *  c-indentation-style: "K&R"
 *  c-basic-offset: 8
 *  tab-width: 8
 *  fill-column: 80
 *  scroll-step: 1
 *  End:
 */