src/common/exception.hpp

   1 /*
   2  * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_EXCEPTION_H_
   9 #define LTTNG_EXCEPTION_H_
  10
  11 #include <string>
  12 #include <stdexcept>
  13 #include <system_error>
  14
  15 #include <lttng/lttng-error.h>
  16
  17 #define LTTNG_THROW_CTL(error_code) \
  18         throw lttng::ctl::error(msg, error_code, __FILE__, __func__, __LINE__)
  19 #define LTTNG_THROW_POSIX(msg, errno_code) \
  20         throw lttng::posix_error(msg, errno_code, __FILE__, __func__, __LINE__)
  21 #define LTTNG_THROW_ERROR(msg) \
  22         throw lttng::runtime_error(msg, __FILE__, __func__, __LINE__)
  23
  24 namespace lttng {
  25
  26 namespace ctl {
  27 /* Wrap lttng_error_code errors which may be reported through liblttng-ctl's interface. */
  28 class error : public std::runtime_error {
  29 public:
  30         explicit error(lttng_error_code error_code,
  31                 const char *file_name,
  32                 const char *function_name,
  33                 unsigned int line_number);
  34         lttng_error_code get_code() const;
  35
  36 private:
  37         lttng_error_code _error_code;
  38 };
  39 } /* namespace ctl */
  40
  41 class posix_error : public std::system_error {
  42 public:
  43         explicit posix_error(const std::string &msg,
  44                 int errno_code,
  45                 const char *file_name,
  46                 const char *function_name,
  47                 unsigned int line_number);
  48 };
  49
  50 class runtime_error : public std::runtime_error {
  51 public:
  52         explicit runtime_error(const std::string &msg,
  53                 const char *file_name,
  54                 const char *function_name,
  55                 unsigned int line_number);
  56 };
  57
  58 }; /* namespace lttng */
  59
  60 #endif /* LTTNG_EXCEPTION_H_ */