libwreport  3.6
Public Member Functions | Protected Attributes
wreport::sys::NamedFileDescriptor Class Reference

File descriptor with a name. More...

#include <sys.h>

Inheritance diagram for wreport::sys::NamedFileDescriptor:
wreport::sys::FileDescriptor wreport::sys::File wreport::sys::Path

Public Member Functions

 NamedFileDescriptor (int fd, const std::string &pathname)
 
 NamedFileDescriptor (NamedFileDescriptor &&)
 
NamedFileDescriptoroperator= (NamedFileDescriptor &&)
 
 NamedFileDescriptor (const NamedFileDescriptor &o)=default
 
NamedFileDescriptoroperator= (const NamedFileDescriptor &o)=default
 
virtual void throw_error (const char *desc)
 Throw an exception based on errno and the given message. More...
 
virtual void throw_runtime_error (const char *desc)
 Throw a runtime_error unrelated from errno. More...
 
const std::string & name () const
 Return the file pathname.
 
- Public Member Functions inherited from wreport::sys::FileDescriptor
 FileDescriptor (FileDescriptor &&o)
 
 FileDescriptor (int fd)
 
 FileDescriptor (const FileDescriptor &o)=default
 
FileDescriptoroperator= (const FileDescriptor &o)=default
 
void close ()
 
void fstat (struct stat &st)
 
void fchmod (mode_t mode)
 
int dup ()
 
size_t read (void *buf, size_t count)
 
void read_all_or_throw (void *buf, size_t count)
 Read all the data into buf, throwing runtime_error in case of a partial read.
 
size_t write (const void *buf, size_t count)
 
template<typename Container >
size_t write (const Container &c)
 
void write_all_or_retry (const void *buf, size_t count)
 Write all the data in buf, retrying partial writes.
 
template<typename Container >
void write_all_or_retry (const Container &c)
 
void write_all_or_throw (const void *buf, size_t count)
 Write all the data in buf, throwing runtime_error in case of a partial write.
 
template<typename Container >
void write_all_or_throw (const Container &c)
 
off_t lseek (off_t offset, int whence=SEEK_SET)
 
size_t pread (void *buf, size_t count, off_t offset)
 
size_t pwrite (const void *buf, size_t count, off_t offset)
 
template<typename Container >
size_t pwrite (const Container &c, off_t offset)
 
void ftruncate (off_t length)
 
MMap mmap (size_t length, int prot, int flags, off_t offset=0)
 
 operator int () const
 

Protected Attributes

std::string pathname
 
- Protected Attributes inherited from wreport::sys::FileDescriptor
int fd = -1
 

Detailed Description

File descriptor with a name.

Member Function Documentation

◆ throw_error()

virtual void wreport::sys::NamedFileDescriptor::throw_error ( const char *  desc)
virtual

Throw an exception based on errno and the given message.

This can be overridden by subclasses that may have more information about the file descriptor, so that they can generate more descriptive messages.

Reimplemented from wreport::sys::FileDescriptor.

◆ throw_runtime_error()

virtual void wreport::sys::NamedFileDescriptor::throw_runtime_error ( const char *  desc)
virtual

Throw a runtime_error unrelated from errno.

This can be overridden by subclasses that may have more information about the file descriptor, so that they can generate more descriptive messages.

Reimplemented from wreport::sys::FileDescriptor.


The documentation for this class was generated from the following file: