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-rw-r--r--open_issues/anatomy_of_a_hurd_system.mdwn28
1 files changed, 27 insertions, 1 deletions
diff --git a/open_issues/anatomy_of_a_hurd_system.mdwn b/open_issues/anatomy_of_a_hurd_system.mdwn
index 46526641..13599e19 100644
--- a/open_issues/anatomy_of_a_hurd_system.mdwn
+++ b/open_issues/anatomy_of_a_hurd_system.mdwn
@@ -87,7 +87,7 @@ RPC stubs.
More stuff like [[hurd/IO_path]].
---
+---
IRC, freenode, #hurd, 2011-10-18:
@@ -96,3 +96,29 @@ IRC, freenode, #hurd, 2011-10-18:
<antrik> short version: grub loads mach, ext2, and ld.so/exec; mach starts
ext2; ext2 starts exec; ext2 execs a few other servers; ext2 execs
init. from there on, it's just standard UNIX stuff
+
+---
+
+IRC, OFTC, #debian-hurd, 2011-11-02:
+
+ <sekon_> is __dir_lookup a RPC ??
+ <sekon_> where can i find the source of __dir_lookup ??
+ <sekon_> grepping most gives out rvalue assignments
+ <sekon_> -assignments
+ <sekon_> but in hurs/fs.h it is used as a function ??
+ <pinotree> it should be the mig-generated function for that rpc
+ <sekon_> how do i know how its implemented ??
+ <sekon_> is there any way to delve deeprer into mig-generated functions
+ <tschwinge> sekon_: The MIG-generated stuff will either be found in the
+ package's build directory (if it's building it for themselves), or in the
+ glibc build directory (libhurduser, libmachuser; which are all the
+ available user RPC stubs).
+ <tschwinge> sekon_: The implementation can be found in the various Hurd
+ servers/libraries.
+ <tschwinge> sekon_: For example, [hurd]/libdiskfs/dir-lookup.c.
+ <tschwinge> sekon_: What MIG does is provide a function call interface for
+ these ``functions'', and the Mach microkernel then dispatches the
+ invocation to the corresponding server, for example a /hurd/ext2fs file
+ system (via libdiskfs).
+ <tschwinge> sekon_: This may help a bit:
+ http://www.gnu.org/software/hurd/hurd/hurd_hacking_guide.html