/usr/include/bcc/bcc_exception.h is in libbpfcc-dev 0.5.0-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | /*
* Copyright (c) 2015 PLUMgrid, Inc.
*
* 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.
*/
#pragma once
#include <cstdio>
#include <string>
namespace ebpf {
class StatusTuple {
public:
StatusTuple(int ret) : ret_(ret) {}
StatusTuple(int ret, const char *msg) : ret_(ret), msg_(msg) {}
StatusTuple(int ret, const std::string &msg) : ret_(ret), msg_(msg) {}
template <typename... Args>
StatusTuple(int ret, const char *fmt, Args... args) : ret_(ret) {
char buf[2048];
snprintf(buf, sizeof(buf), fmt, args...);
msg_ = std::string(buf);
}
void append_msg(const std::string& msg) {
msg_ += msg;
}
int code() { return ret_; }
std::string msg() { return msg_; }
private:
int ret_;
std::string msg_;
};
#define TRY2(CMD) \
do { \
StatusTuple __stp = (CMD); \
if (__stp.code() != 0) { \
return __stp; \
} \
} while (0)
} // namespace ebpf
|