X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=hurd%2Fcatch-exc.c;h=2e0cfef88a01b6fd66be859f9aca6f489eedceeb;hb=ab7dd85bfbe9a176c2d5055d52185ae6364f97af;hp=72e06db1d38d0fcdcfe1e149a01ec8ee1ee37ac0;hpb=28f540f45bbacd939bfd07f213bcad2bf730b1bf;p=platform%2Fupstream%2Fglibc.git

diff --git a/hurd/catch-exc.c b/hurd/catch-exc.c
index 72e06db..2e0cfef 100644
--- a/hurd/catch-exc.c
+++ b/hurd/catch-exc.c
@@ -1,23 +1,24 @@
-/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* 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
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA.  */
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
 
 #include <mach/exc_server.h>
 #include <hurd/signal.h>
+#include <assert.h>
 
 /* Called by the microkernel when a thread gets an exception.  */
 
@@ -25,22 +26,37 @@ kern_return_t
 _S_catch_exception_raise (mach_port_t port,
 			  thread_t thread,
 			  task_t task,
-			  int exception,
-			  int code,
-			  int subcode)
+#ifdef EXC_MASK_ALL		/* New interface flavor.  */
+			  exception_type_t exception,
+			  exception_data_t code,
+			  mach_msg_type_number_t codeCnt
+#else				/* Vanilla Mach 3.0 interface.  */
+			  integer_t exception,
+			  integer_t code, integer_t subcode
+#endif
+			  )
 {
-  int signo, error;
-  long int sigcode;
   struct hurd_sigstate *ss;
+  int signo;
+  struct hurd_signal_detail d;
 
   if (task != __mach_task_self ())
     /* The sender wasn't the kernel.  */
     return EPERM;
 
+  d.exc = exception;
+#ifdef EXC_MASK_ALL
+  assert (codeCnt >= 2);
+  d.exc_code = code[0];
+  d.exc_subcode = code[1];
+#else
+  d.exc_code = code;
+  d.exc_subcode = subcode;
+#endif
+
   /* Call the machine-dependent function to translate the Mach exception
      codes into a signal number and subcode.  */
-  _hurd_exception2signal (exception, code, subcode,
-			  &signo, &sigcode, &error);
+  _hurd_exception2signal (&d, &signo);
 
   /* Find the sigstate structure for the faulting thread.  */
   __mutex_lock (&_hurd_siglock);
@@ -64,15 +80,53 @@ _S_catch_exception_raise (mach_port_t port,
 	 no code should do anything that can fault while holding the
 	 sigstate lock.  */
 
-      ss->critical_section = 0;
+      __spin_unlock (&ss->critical_section_lock);
       ss->context = NULL;
       __spin_unlock (&ss->lock);
     }
 
   /* Post the signal.  */
-  _hurd_internal_post_signal (ss, signo, sigcode, error,
+  _hurd_internal_post_signal (ss, signo, &d,
 			      MACH_PORT_NULL, MACH_MSG_TYPE_PORT_SEND,
 			      0);
 
   return KERN_SUCCESS;
 }
+
+#ifdef EXC_MASK_ALL
+/* XXX New interface flavor has additional RPCs that we could be using
+   instead.  These RPCs roll a thread_get_state/thread_set_state into
+   the message, so the signal thread ought to use these to save some calls.
+ */
+kern_return_t
+_S_catch_exception_raise_state (mach_port_t port,
+				exception_type_t exception,
+				exception_data_t code,
+				mach_msg_type_number_t codeCnt,
+				int *flavor,
+				thread_state_t old_state,
+				mach_msg_type_number_t old_stateCnt,
+				thread_state_t new_state,
+				mach_msg_type_number_t *new_stateCnt)
+{
+  abort ();
+  return KERN_FAILURE;
+}
+
+kern_return_t
+_S_catch_exception_raise_state_identity (mach_port_t exception_port,
+					 thread_t thread,
+					 task_t task,
+					 exception_type_t exception,
+					 exception_data_t code,
+					 mach_msg_type_number_t codeCnt,
+					 int *flavor,
+					 thread_state_t old_state,
+					 mach_msg_type_number_t old_stateCnt,
+					 thread_state_t new_state,
+					 mach_msg_type_number_t *new_stateCnt)
+{
+  abort ();
+  return KERN_FAILURE;
+}
+#endif