| 10 |
|
#include <cerrno> |
| 11 |
|
#include <cstring> |
| 12 |
|
#include <exception> |
| 13 |
+ |
#include <string> |
| 14 |
|
|
| 15 |
|
namespace Posix |
| 16 |
|
{ |
| 27 |
|
virtual ~Error() throw() {} |
| 28 |
|
|
| 29 |
|
virtual int GetCode() const { return code; } |
| 30 |
+ |
virtual std::string GetMessage() const { return message; } |
| 31 |
|
virtual const char *what() const throw() { return message; } |
| 32 |
|
}; |
| 33 |
|
|
| 39 |
|
return status; |
| 40 |
|
} |
| 41 |
|
|
| 42 |
+ |
#define _SysCall(call) \ |
| 43 |
+ |
int status; \ |
| 44 |
+ |
\ |
| 45 |
+ |
while ((status = call) == -1) \ |
| 46 |
+ |
if (errno != EINTR) \ |
| 47 |
+ |
throw Error(); \ |
| 48 |
+ |
else \ |
| 49 |
+ |
continue; \ |
| 50 |
+ |
\ |
| 51 |
+ |
return status |
| 52 |
+ |
|
| 53 |
+ |
template <typename Function_, typename Arg0_, typename Arg1_> |
| 54 |
+ |
int SysCall(Function_ function, Arg0_ arg0, Arg1_ arg1) |
| 55 |
+ |
{ |
| 56 |
+ |
_SysCall(function(arg0, arg1)); |
| 57 |
+ |
} |
| 58 |
+ |
|
| 59 |
+ |
template <typename Function_, typename Arg0_, typename Arg1_, typename Arg2_> |
| 60 |
+ |
int SysCall(Function_ function, Arg0_ arg0, Arg1_ arg1, Arg2_ arg2) |
| 61 |
+ |
{ |
| 62 |
+ |
_SysCall(function(arg0, arg1, arg2)); |
| 63 |
+ |
} |
| 64 |
+ |
|
| 65 |
+ |
#undef _SysCall |
| 66 |
+ |
|
| 67 |
+ |
int Open(const std::string &path, int flags, ::mode_t mode); |
| 68 |
+ |
|
| 69 |
+ |
inline int Open(const std::string &path, int flags) |
| 70 |
+ |
{ |
| 71 |
+ |
return Open(path, flags, 0); |
| 72 |
+ |
} |
| 73 |
+ |
|
| 74 |
+ |
size_t Read(int fd, void *buffer, size_t bytes); |
| 75 |
+ |
size_t ReadMost(int fd, void *buffer, size_t bytes); |
| 76 |
+ |
|
| 77 |
|
} |
| 78 |
|
|
| 79 |
|
#endif//_posix_hpp_ |
