diff options
| -rw-r--r-- | docs/handles.org | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/docs/handles.org b/docs/handles.org new file mode 100644 index 0000000..facb320 --- /dev/null +++ b/docs/handles.org @@ -0,0 +1,20 @@ +#+title: Handles + +* filesystem / access function front handle + See vfs.org. + can be used in: mount() + returned by fs_create(). there could also be functions that created a front handle from a subset of the current vfs. + +* filesystem / access function back handle + can be used in: fs_wait() + returned by fs_create() + +* file handle + When an access function accepts a path, it returns a number uniquely identifying that open file. The kernel then wraps it in a file handle which gets passed back to the original caller. + can be used in: read(), write(), maybe there could be a syscall allowing any other custom operation + returned by open() + +* shared operations + pass to parent / wait for handle from child + close + |