10 |
|
#include <cerrno> |
11 |
|
#include <cstring> |
12 |
|
#include <exception> |
13 |
+ |
#include <string> |
14 |
|
|
15 |
|
namespace Posix |
16 |
|
{ |
25 |
|
public: |
26 |
|
Error(); |
27 |
|
virtual ~Error() throw() {} |
27 |
– |
|
28 |
– |
virtual int GetCode() const { return code; } |
28 |
|
virtual const char *what() const throw() { return message; } |
29 |
|
}; |
30 |
|
|
36 |
|
return status; |
37 |
|
} |
38 |
|
|
39 |
+ |
#define _SysCall(call) \ |
40 |
+ |
int status; \ |
41 |
+ |
\ |
42 |
+ |
while ((status = call) == -1) \ |
43 |
+ |
if (errno != EINTR) \ |
44 |
+ |
throw Error(); \ |
45 |
+ |
else \ |
46 |
+ |
continue; \ |
47 |
+ |
\ |
48 |
+ |
return status |
49 |
+ |
|
50 |
+ |
template <typename Function_, typename Arg0_> |
51 |
+ |
int SysCall(Function_ function, Arg0_ arg0) |
52 |
+ |
{ |
53 |
+ |
_SysCall(function(arg0)); |
54 |
+ |
} |
55 |
+ |
|
56 |
+ |
template <typename Function_, typename Arg0_, typename Arg1_> |
57 |
+ |
int SysCall(Function_ function, Arg0_ arg0, Arg1_ arg1) |
58 |
+ |
{ |
59 |
+ |
_SysCall(function(arg0, arg1)); |
60 |
+ |
} |
61 |
+ |
|
62 |
+ |
template <typename Function_, typename Arg0_, typename Arg1_, typename Arg2_> |
63 |
+ |
int SysCall(Function_ function, Arg0_ arg0, Arg1_ arg1, Arg2_ arg2) |
64 |
+ |
{ |
65 |
+ |
_SysCall(function(arg0, arg1, arg2)); |
66 |
+ |
} |
67 |
+ |
|
68 |
+ |
#undef _SysCall |
69 |
+ |
|
70 |
+ |
int Open(const std::string &path, int flags, ::mode_t mode); |
71 |
+ |
|
72 |
+ |
inline int Open(const std::string &path, int flags) |
73 |
+ |
{ |
74 |
+ |
return Open(path, flags, 0); |
75 |
+ |
} |
76 |
+ |
|
77 |
+ |
void Close(int fd); |
78 |
+ |
|
79 |
+ |
size_t Read(int fd, void *buffer, size_t bytes); |
80 |
+ |
size_t ReadMost(int fd, void *buffer, size_t bytes); |
81 |
+ |
size_t Write(int fd, const void *buffer, size_t bytes); |
82 |
+ |
|
83 |
|
} |
84 |
|
|
85 |
|
#endif//_posix_hpp_ |