summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2021-03-13 22:39:06 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2021-03-13 22:39:06 +0100
commit87076a8b3d7786ac3d69c0e5504c91fbaf482d21 (patch)
tree33bd434adcbf145504497838aafff505b9947375
parent632c7ccda148b31171304f7bb5a8ed042ad89b26 (diff)
Comment on fsys_startup/init forwarding
-rw-r--r--hurd/bootstrap.mdwn8
1 files changed, 7 insertions, 1 deletions
diff --git a/hurd/bootstrap.mdwn b/hurd/bootstrap.mdwn
index 0d751629..0e4d9665 100644
--- a/hurd/bootstrap.mdwn
+++ b/hurd/bootstrap.mdwn
@@ -85,6 +85,12 @@ over a `proc` port and get `auth` and `priv` ports.
* Between `startup` and `auth`: `auth` calls `startup_authinit` to hand over an
`auth` port and get a `proc` port, then calls `startup_essential_task` to notify
`startup` that the boot can proceed.
+* For translators before `ext2fs`, the child calls `fsys_startup` to pass over
+the control port of `ext2fs` (instead of its own control port, which is useless
+for its parent). This is typically done in the `S_fsys_startup` stub, simply
+forwarding it. The child also calls `fsys_init` to pass over the `proc` and
+`auth` ports. Again, this is typically done in the `S_fsys_init` stub, simply
+forwarding them.
With that in mind, the dance between the bootstrap translators is happening as
described in the next sections.
@@ -134,7 +140,7 @@ its bootstrap port.
`trivfs_startup` creates a control port for the exec translator, and calls
`fsys_startup` on the bootstrap port to notify ext2fs that it is ready, give it
-the control port, and get back a port on the underlying node for the exec
+its exec control port, and get back a port on the underlying node for the exec
translator (we want to make it show up on `/servers/exec`).
# libdiskfs taking back control