libwreport
3.6
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File descriptor with a name. More...
#include <sys.h>
Public Member Functions | |
NamedFileDescriptor (int fd, const std::string &pathname) | |
NamedFileDescriptor (NamedFileDescriptor &&) | |
NamedFileDescriptor & | operator= (NamedFileDescriptor &&) |
NamedFileDescriptor (const NamedFileDescriptor &o)=default | |
NamedFileDescriptor & | operator= (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. | |
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FileDescriptor (FileDescriptor &&o) | |
FileDescriptor (int fd) | |
FileDescriptor (const FileDescriptor &o)=default | |
FileDescriptor & | operator= (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 |
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int | fd = -1 |
File descriptor with a name.
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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.
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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.