tbx  0.7.5
oserror.h
1 /*
2  * tbx RISC OS toolbox library
3  *
4  * Copyright (C) 2010 Alan Buckley All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 #ifndef TBX_OSERROR_H_
26 #define TBX_OSERROR_H_
27 
28 #include <stdexcept>
29 #include <kernel.h>
30 
31 namespace tbx
32 {
33 
38 class OsError : public std::runtime_error
39 {
40 public:
46  OsError(_kernel_oserror *err) :
47  std::runtime_error(err->errmess),
48  _error(err->errnum)
49  {
50  };
51 
55  int number() const {return _error;}
56 
57 private:
58  int _error;
59 };
60 
66 inline void raise_os_error(_kernel_oserror *err)
67 {
68  throw OsError(err);
69 }
70 
71 }
72 
73 #endif /* TBX_OSERROR_H_ */
A library for creating RISC OS toolbox applications.
Definition: abouttobeshownlistener.cc:34
int number() const
Return the OS error number.
Definition: oserror.h:55
OsError(_kernel_oserror *err)
Construct from an OS error.
Definition: oserror.h:46
Class representing an error generated by a call to a RISC OS routine (SWI).
Definition: oserror.h:38
void raise_os_error(_kernel_oserror *err)
Function to throw a OS error as the OSError class.
Definition: oserror.h:66