L4Re Operating System Framework
Interface and Usage Documentation
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Interface for the POSIX backends of an application. More...
#include <vfs.h>
Additional Inherited Members | |
Public Member Functions inherited from L4Re::Vfs::Mman | |
virtual int | mmap2 (void *start, size_t len, int prot, int flags, int fd, off_t offset, void **ptr) noexcept=0 |
Backend for the mmap2 system call. | |
virtual int | munmap (void *start, size_t len) noexcept=0 |
Backend for the munmap system call. | |
virtual int | mremap (void *old, size_t old_sz, size_t new_sz, int flags, void **new_addr) noexcept=0 |
Backend for the mremap system call. | |
virtual int | mprotect (const void *a, size_t sz, int prot) noexcept=0 |
Backend for the mprotect system call. | |
virtual int | msync (void *addr, size_t len, int flags) noexcept=0 |
Backend for the msync system call. | |
virtual int | madvise (void *addr, size_t len, int advice) noexcept=0 |
Backend for the madvice system call. | |
Public Member Functions inherited from L4Re::Vfs::Fs | |
virtual cxx::Ref_ptr< File > | get_file (int fd) noexcept=0 |
Get the L4Re::Vfs::File for the file descriptor fd. | |
virtual cxx::Ref_ptr< File > | get_root () noexcept=0 |
Get the directory object for the application's root directory. | |
virtual cxx::Ref_ptr< File > | get_cwd () noexcept |
Get the directory object for the application's current working directory. | |
virtual void | set_cwd (cxx::Ref_ptr< File > const &) noexcept |
Set the current working directory for the application. | |
virtual int | alloc_fd (cxx::Ref_ptr< File > const &f=cxx::Ref_ptr<>::Nil) noexcept=0 |
Allocate the next free file descriptor. | |
virtual cxx::Pair< cxx::Ref_ptr< File >, int > | set_fd (int fd, cxx::Ref_ptr< File > const &f=cxx::Ref_ptr<>::Nil) noexcept=0 |
Set the file object referenced by the file descriptor fd. | |
virtual cxx::Ref_ptr< File > | free_fd (int fd) noexcept=0 |
Free the file descriptor fd. | |
virtual int | mount (char const *path, cxx::Ref_ptr< File > const &dir) noexcept=0 |
Mount a given file object at the given global path in the VFS. | |
int | mount (char const *source, char const *target, char const *fstype, unsigned long mountflags, void const *data) noexcept |
Backend for the POSIX mount call. | |
Interface for the POSIX backends of an application.