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
  22 namespace lttng {
  23
  24 namespace ctl {
  25 /* Wrap lttng_error_code errors which may be reported through liblttng-ctl's interface. */
  26 class error : public std::runtime_error {
  27 public:
  28         explicit error(lttng_error_code error_code,
  29                 const char *file_name,
  30                 const char *function_name,
  31                 unsigned int line_number);
  32         lttng_error_code get_code() const;
  33
  34 private:
  35         lttng_error_code _error_code;
  36 };
  37 } /* namespace ctl */
  38
  39 class posix_error : public std::system_error {
  40 public:
  41         explicit posix_error(const std::string &msg,
  42                 int errno_code,
  43                 const char *file_name,
  44                 const char *function_name,
  45                 unsigned int line_number);
  46 };
  47
  48 }; /* namespace lttng */
  49
  50 #endif /* LTTNG_EXCEPTION_H_ */