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28
29/// \file utils/process/exceptions.hpp
30/// Exception types raised by the process module.
31
32#if !defined(UTILS_PROCESS_EXCEPTIONS_HPP)
33#define UTILS_PROCESS_EXCEPTIONS_HPP
34
35#include <stdexcept>
36
37namespace utils {
38namespace process {
39
40
41/// Base exceptions for process errors.
42class error : public std::runtime_error {
43public:
44    explicit error(const std::string&);
45    ~error(void) throw();
46};
47
48
49/// Exceptions for errno-based errors.
50///
51/// TODO(jmmv): This code is duplicated in, at least, utils::fs.  Figure
52/// out a way to reuse this exception while maintaining the correct inheritance
53/// (i.e. be able to keep it as a child of process::error).
54class system_error : public error {
55    /// Error number describing this libc error condition.
56    int _original_errno;
57
58public:
59    explicit system_error(const std::string&, const int);
60    ~system_error(void) throw();
61
62    int original_errno(void) const throw();
63};
64
65
66/// Denotes that a deadline was exceeded.
67class timeout_error : public error {
68public:
69    explicit timeout_error(const std::string&);
70    ~timeout_error(void) throw();
71};
72
73
74}  // namespace process
75}  // namespace utils
76
77
78#endif  // !defined(UTILS_PROCESS_EXCEPTIONS_HPP)
79