[hurd] 02/06: trans: improve demuxers

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 0437af60d3bbf09003f3fd1fdb9993958fcd430d
Author: Justus Winter <address@hidden>
Date:   Thu Oct 29 15:43:28 2015 +0100

    trans: improve demuxers
    
    Handle multiple request types as recommended by the Mach Server
    Writer's Guide section 4, subsection "Handling Multiple Request
    Types".  This avoids initializing the reply message in every X_server
    function.
    
    * trans/proxy-defpager.c (proxy_defpager_demuxer): Improve the demuxer
    function.
    * trans/streamio.c (demuxer): Likewise.
---
 trans/proxy-defpager.c | 14 ++++++++++----
 trans/streamio.c       | 15 +++++++++++----
 2 files changed, 21 insertions(+), 8 deletions(-)

diff --git a/trans/proxy-defpager.c b/trans/proxy-defpager.c
index 662f269..4fdeb35 100644
--- a/trans/proxy-defpager.c
+++ b/trans/proxy-defpager.c
@@ -236,10 +236,16 @@ int
 proxy_defpager_demuxer (mach_msg_header_t *inp,
                        mach_msg_header_t *outp)
 {
-  extern int default_pager_server (mach_msg_header_t *, mach_msg_header_t *);
-
-  return default_pager_server (inp, outp)
-    || trivfs_demuxer (inp, outp);
+  mig_routine_t routine;
+  if ((routine = default_pager_server_routine (inp)) ||
+      (routine = NULL, trivfs_demuxer (inp, outp)))
+    {
+      if (routine)
+        (*routine) (inp, outp);
+      return TRUE;
+    }
+  else
+    return FALSE;
 }
 
 int
diff --git a/trans/streamio.c b/trans/streamio.c
index 54627b7..507250b 100644
--- a/trans/streamio.c
+++ b/trans/streamio.c
@@ -36,6 +36,7 @@
 
 #include "libtrivfs/trivfs_fs_S.h"
 #include "libtrivfs/trivfs_io_S.h"
+#include "device_reply_S.h"
 
 /* The global lock */
 pthread_mutex_t global_lock;
@@ -273,10 +274,16 @@ static const struct argp argp = { options, parse_opt, 
args_doc, doc };
 int
 demuxer (mach_msg_header_t *inp, mach_msg_header_t *outp)
 {
-  extern int device_reply_server (mach_msg_header_t *, mach_msg_header_t *);
-
-  return (trivfs_demuxer (inp, outp)
-         || device_reply_server (inp, outp));
+  mig_routine_t routine;
+  if ((routine = NULL, trivfs_demuxer (inp, outp)) ||
+      (routine = device_reply_server_routine (inp)))
+    {
+      if (routine)
+        (*routine) (inp, outp);
+      return TRUE;
+    }
+  else
+    return FALSE;
 }
 
 int

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