1 // Copyright 2010 The Kyua Authors.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 // * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 // * Redistributions in binary form must reproduce the above copyright
11 // notice, this list of conditions and the following disclaimer in the
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13 // * Neither the name of Google Inc. nor the names of its contributors
14 // may be used to endorse or promote products derived from this software
15 // without specific prior written permission.
16 //
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29 #include "utils/signals/exceptions.hpp"
30
31 #include <cstring>
32
33 #include "utils/format/macros.hpp"
34
35 namespace signals = utils::signals;
36
37
38 /// Constructs a new error with a plain-text message.
39 ///
40 /// \param message The plain-text error message.
error(const std::string & message)41 signals::error::error(const std::string& message) :
42 std::runtime_error(message)
43 {
44 }
45
46
47 /// Destructor for the error.
~error(void)48 signals::error::~error(void) throw()
49 {
50 }
51
52
53 /// Constructs a new interrupted error.
54 ///
55 /// \param signo_ The signal that caused the interrupt.
interrupted_error(const int signo_)56 signals::interrupted_error::interrupted_error(const int signo_) :
57 error(F("Interrupted by signal %s") % signo_),
58 _signo(signo_)
59 {
60 }
61
62
63 /// Destructor for the error.
~interrupted_error(void)64 signals::interrupted_error::~interrupted_error(void) throw()
65 {
66 }
67
68
69 /// Queries the signal number of the interruption.
70 ///
71 /// \return A signal number.
72 int
signo(void) const73 signals::interrupted_error::signo(void) const
74 {
75 return _signo;
76 }
77
78
79 /// Constructs a new error based on an errno code.
80 ///
81 /// \param message_ The message describing what caused the error.
82 /// \param errno_ The error code.
system_error(const std::string & message_,const int errno_)83 signals::system_error::system_error(const std::string& message_,
84 const int errno_) :
85 error(F("%s: %s") % message_ % strerror(errno_)),
86 _original_errno(errno_)
87 {
88 }
89
90
91 /// Destructor for the error.
~system_error(void)92 signals::system_error::~system_error(void) throw()
93 {
94 }
95
96
97 /// \return The original errno value.
98 int
original_errno(void) const99 signals::system_error::original_errno(void) const throw()
100 {
101 return _original_errno;
102 }
103