/* * Copyright (c) 2011 Martin Decky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup libc * @{ */ #include <assert.h> #include <stdio.h> #include <io/kio.h> #include <stdlib.h> #include <stacktrace.h> #include <stdint.h> #include <task.h> __thread int failed_asserts = 0; void __helenos_assert_quick_abort(const char *cond, const char *file, unsigned int line) { /* * Send the message safely to kio. Nested asserts should not occur. */ kio_printf("Assertion failed (%s) in task %" PRIu64 ", file \"%s\", line %u.\n", cond, task_get_id(), file, line); stacktrace_kio_print(); /* Sometimes we know in advance that regular printf() would likely fail. */ abort(); } void __helenos_assert_abort(const char *cond, const char *file, unsigned int line) { /* * Send the message safely to kio. Nested asserts should not occur. */ kio_printf("Assertion failed (%s) in task %" PRIu64 ", file \"%s\", line %u.\n", cond, task_get_id(), file, line); stacktrace_kio_print(); /* * Check if this is a nested or parallel assert. */ failed_asserts++; if (failed_asserts > 0) abort(); /* * Attempt to print the message to standard output and display * the stack trace. These operations can theoretically trigger nested * assertions. */ kio_printf("Assertion failed (%s) in task %" PRIu64 ", file \"%s\", line %u.\n", cond, task_get_id(), file, line); stacktrace_print(); abort(); } /** @} */