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Diffstat (limited to 'src/vppinfra/error_bootstrap.h')
-rw-r--r-- | src/vppinfra/error_bootstrap.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/vppinfra/error_bootstrap.h b/src/vppinfra/error_bootstrap.h new file mode 100644 index 00000000..3416c2f9 --- /dev/null +++ b/src/vppinfra/error_bootstrap.h @@ -0,0 +1,106 @@ +/* + * Copyright (c) 2015 Cisco 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. + */ +/* + Copyright (c) 2001, 2002, 2003 Eliot Dresselhaus + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + "Software"), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE + LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef included_error_bootstrap_h +#define included_error_bootstrap_h + +/* Bootstrap include so that #include <vppinfra/mem.h> can include e.g. + <vppinfra/mheap.h> which depends on <vppinfra/vec.h>. */ + +#include <vppinfra/clib.h> /* for uword */ + +enum +{ + CLIB_ERROR_FATAL = 1 << 0, + CLIB_ERROR_ABORT = 1 << 1, + CLIB_ERROR_WARNING = 1 << 2, + CLIB_ERROR_ERRNO_VALID = 1 << 16, + CLIB_ERROR_NO_RATE_LIMIT = 1 << 17, +}; + +/* Current function name. Need (char *) cast to silence gcc4 pointer signedness warning. */ +#define clib_error_function ((char *) __FUNCTION__) + +#ifndef CLIB_ASSERT_ENABLE +#define CLIB_ASSERT_ENABLE (CLIB_DEBUG > 0) +#endif + +/* Low level error reporting function. + Code specifies whether to call exit, abort or nothing at + all (for non-fatal warnings). */ +extern void _clib_error (int code, + char *function_name, + uword line_number, char *format, ...); + +#define ASSERT(truth) \ +do { \ + if (CLIB_ASSERT_ENABLE && ! (truth)) \ + { \ + _clib_error (CLIB_ERROR_ABORT, 0, 0, \ + "%s:%d (%s) assertion `%s' fails", \ + __FILE__, \ + (uword) __LINE__, \ + clib_error_function, \ + # truth); \ + } \ +} while (0) + +#if defined(__clang__) +#define STATIC_ASSERT(truth,...) +#else +#define STATIC_ASSERT(truth,...) _Static_assert(truth, __VA_ARGS__) +#endif + +#define STATIC_ASSERT_SIZEOF(d, s) \ + STATIC_ASSERT (sizeof (d) == s, "Size of " #d " must be " # s " bytes") + +/* Assert without allocating memory. */ +#define ASSERT_AND_PANIC(truth) \ +do { \ + if (CLIB_ASSERT_ENABLE && ! (truth)) \ + os_panic (); \ +} while (0) + +#endif /* included_error_bootstrap_h */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |