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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 
37 namespace utils {
38 namespace process {
39 
40 
41 /// Base exceptions for process errors.
42 class error : public std::runtime_error {
43 public:
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).
54 class system_error : public error {
55     /// Error number describing this libc error condition.
56     int _original_errno;
57 
58 public:
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.
67 class timeout_error : public error {
68 public:
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