2 * Copyright 2014 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <folly/SafeAssert.h>
19 #include <folly/Conv.h>
20 #include <folly/FileUtil.h>
22 namespace folly { namespace detail {
25 void writeStderr(const char* s) {
26 writeFull(STDERR_FILENO, s, strlen(s));
30 void assertionFailure(const char* expr, const char* msg, const char* file,
31 unsigned int line, const char* function) {
32 writeStderr("\n\nAssertion failure: ");
34 writeStderr("\nMessage: ");
36 writeStderr("\nFile: ");
38 writeStderr("\nLine: ");
40 uint32_t n = uint64ToBufferUnsafe(line, buf);
41 writeFull(STDERR_FILENO, buf, n);
42 writeStderr("\nFunction: ");
43 writeStderr(function);
45 fsyncNoInt(STDERR_FILENO);