Avoid ports_interrupt_rpcs cancel itself

While this does not hurt immediately, callers of ports_interrupt_rpcs
would themselves get canceled at the next cancelation point.

* libports/interrupt-rpcs.c (ports_interrupt_rpcs): Do not call
cancel ourself.

1 files changed, 6 insertions, 2 deletions

diff --git a/libports/interrupt-rpcs.c b/libports/interrupt-rpcs.c
index 42f51a5e..70175480 100644
--- a/libports/interrupt-rpcs.c
+++ b/libports/interrupt-rpcs.c
@@ -26,13 +26,17 @@ ports_interrupt_rpcs (void *portstruct)
 {
   struct port_info *pi = portstruct;
   struct rpc_info *rpc;
+  thread_t self = hurd_thread_self ();
 
   pthread_mutex_lock (&_ports_lock);
   
   for (rpc = pi->current_rpcs; rpc; rpc = rpc->next)
     {
-      hurd_thread_cancel (rpc->thread);
-      _ports_record_interruption (rpc);
+      if (rpc->thread != self)
+	{
+	  hurd_thread_cancel (rpc->thread);
+	  _ports_record_interruption (rpc);
+	}
     }
 
   pthread_mutex_unlock (&_ports_lock);