* hurd/hurdinit.c (_hurd_ports_use): Return error _hurd_ports is null.

	* hurd/hurdsig.c (_hurdsig_init): Conditionalize exception port setup
	for old CMU and new OSF Mach interface flavors.
	* hurd/hurdfault.c (_hurdsig_fault_init): Likewise.
	* sysdeps/mach/hurd/fork.c (__fork): Likewise.

	* hurd/hurdsig.c (_hurd_internal_post_signal): Leave msgh_seqno unset.

	* sysdeps/mach/hurd/spawni.c (__spawni) [KERN_INVALID_LEDGER]:
	Pass extra arguments to task_create for OSF variant.
	* sysdeps/mach/hurd/fork.c (__fork): Likewise.

3 files changed, 31 insertions, 3 deletions

diff --git a/hurd/hurdfault.c b/hurd/hurdfault.c
index 3c17cc0236..e761d36fe1 100644
--- a/hurd/hurdfault.c
+++ b/hurd/hurdfault.c
@@ -1,5 +1,5 @@
 /* Handle faults in the signal thread.
-   Copyright (C) 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1994,95,96,97,2002 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -156,8 +156,19 @@ _hurdsig_fault_init (void)
   assert_perror (err);
 
   /* Direct signal thread exceptions to the proc server.  */
+#ifdef THREAD_EXCEPTION_PORT
   err = __thread_set_special_port (_hurd_msgport_thread,
 				   THREAD_EXCEPTION_PORT, sigexc);
+#elif defined (EXC_MASK_ALL)
+  __thread_set_exception_ports (_hurd_msgport_thread,
+				EXC_MASK_ALL & ~(EXC_MASK_SYSCALL
+						 | EXC_MASK_MACH_SYSCALL
+						 | EXC_MASK_RPC_ALERT),
+				sigexc,
+				EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
+#else
+# error thread_set_exception_ports?
+#endif
   __mach_port_deallocate (__mach_task_self (), sigexc);
   assert_perror (err);
 }
diff --git a/hurd/hurdinit.c b/hurd/hurdinit.c
index dc5e904c5e..7a57031d62 100644
--- a/hurd/hurdinit.c
+++ b/hurd/hurdinit.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1992,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
+/* Copyright (C) 1992,93,94,95,96,97,98,99,2000,01
+   	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -39,6 +40,12 @@ int __libc_argc;
 error_t
 _hurd_ports_use (int which, error_t (*operate) (mach_port_t))
 {
+  if (__builtin_expect (_hurd_ports == NULL, 0))
+    /* This means that _hurd_init has not been called yet, which is
+       normally only the case in the bootstrap filesystem, and there
+       only in the early phases of booting.  */
+    return EGRATUITOUS;
+
   return HURD_PORT_USE (&_hurd_ports[which], (*operate) (port));
 }
 
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index 748d8406c1..34b28d94da 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -1030,7 +1030,6 @@ _hurd_internal_post_signal (struct hurd_sigstate *ss,
 	    msg.msgh_local_port = MACH_PORT_NULL;
 	    /* These values do not matter.  */
 	    msg.msgh_id = 8675309; /* Jenny, Jenny.  */
-	    msg.msgh_seqno = 17; /* Random.  */
 	    ss->suspended = MACH_PORT_NULL;
 	    err = __mach_msg (&msg, MACH_SEND_MSG, sizeof msg, 0,
 			      MACH_PORT_NULL, MACH_MSG_TIMEOUT_NONE,
@@ -1300,8 +1299,19 @@ _hurdsig_init (const int *intarray, size_t intarraysize)
     }
 
   /* Receive exceptions on the signal port.  */
+#ifdef TASK_EXCEPTION_PORT
   __task_set_special_port (__mach_task_self (),
 			   TASK_EXCEPTION_PORT, _hurd_msgport);
+#elif defined (EXC_MASK_ALL)
+  __task_set_exception_ports (__mach_task_self (),
+			      EXC_MASK_ALL & ~(EXC_MASK_SYSCALL
+					       | EXC_MASK_MACH_SYSCALL
+					       | EXC_MASK_RPC_ALERT),
+			      _hurd_msgport,
+			      EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
+#else
+# error task_set_exception_port?
+#endif
 
   /* Sanity check.  Any pending, unblocked signals should have been
      taken by our predecessor incarnation (i.e. parent or pre-exec state)