[hurd] 11/28: startup: Dump processes if we cannot find the kernel.

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit 34b5aa167da439900c4c1d1bb45b642b47d9a572
Author: Justus Winter <address@hidden>
Date:   Tue Nov 1 14:38:27 2016 +0100

    startup: Dump processes if we cannot find the kernel.
    
    * startup/startup.c (dump_processes): New function.
    (frob_kerne_process): Use the new function.
---
 startup/startup.c | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/startup/startup.c b/startup/startup.c
index f54de5e..2eba563 100644
--- a/startup/startup.c
+++ b/startup/startup.c
@@ -880,6 +880,23 @@ init_stdarrays ()
    so the kernel command line can be read as for a normal Hurd process.  */
 
 void
+dump_processes (void)
+{
+  pid_t pid;
+  for (pid = 1; pid < 100; pid++)
+    {
+      char args[256], *buffer = args;
+      size_t len = sizeof args;
+      if (proc_getprocargs (procserver, pid, &buffer, &len) == 0)
+        {
+          fprintf (stderr, "pid%d\t%s\n", (int) pid, buffer);
+          if (buffer != args)
+            vm_deallocate (mach_task_self (), (vm_offset_t) buffer, len);
+        }
+    }
+}
+
+void
 frob_kernel_process (void)
 {
   error_t err;
@@ -904,7 +921,10 @@ frob_kernel_process (void)
   /* Make the kernel our child.  */
   err = proc_child (procserver, task);
   if (err)
-    error (0, err, "cannot make the kernel our child");
+    {
+      error (0, err, "cannot make the kernel our child");
+      dump_processes ();
+    }
 
   err = proc_task2proc (procserver, task, &proc);
   if (err)

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