diff options
| author | Ian Moffett <ian@osmora.org> | 2024-11-04 01:41:14 -0500 |
|---|---|---|
| committer | Ian Moffett <ian@osmora.org> | 2024-11-04 01:41:14 -0500 |
| commit | f7dc760dd7a2dd8ba5a133e396e717b7886059f4 (patch) | |
| tree | 8ca9154c36296004cb5c9ab4e86ff1fd51d2912f /sys/include | |
| parent | 604d40fce6b7e69e9494de7381071315536335db (diff) | |
kernel: descrip: Add support for fd duplication
Sometimes we may need to duplicate a file descriptor and create a new
fdno that refers to the same vnode. The fd_dup() function enables us
to do this when needed.
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/include')
| -rw-r--r-- | sys/include/sys/filedesc.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/include/sys/filedesc.h b/sys/include/sys/filedesc.h index f5f24db..94946a0 100644 --- a/sys/include/sys/filedesc.h +++ b/sys/include/sys/filedesc.h @@ -48,6 +48,8 @@ int fd_read(unsigned int fd, void *buf, size_t count); int fd_alloc(struct filedesc **fd_out); int fd_open(const char *pathname, int flags); + +int fd_dup(int fd); struct filedesc *fd_get(unsigned int fdno); #endif /* !_SYS_FILEDESC_H_ */ |