2.5-18.1

19 files changed, 589 insertions, 107 deletions

diff --git a/hurd/Depend b/hurd/Depend
new file mode 100644
index 0000000000..b108b245b8
--- /dev/null
+++ b/hurd/Depend
@@ -0,0 +1,9 @@
+# This file says that the mach subdirectory should appear before this one.
+# The mach and hurd subdirectories have many generated header files which
+# much of the rest of the library depends on, so it is best to build them
+# first (and mach before hurd, at that).  The before-compile additions in
+# sysdeps/{mach,hurd}/Makefile should make it reliably work for these files
+# not to exist when making in other directories, but it will be slower that
+# way with more somewhat expensive `make' invocations.
+
+mach
diff --git a/hurd/Makefile b/hurd/Makefile
index ccf596c918..ab5a8485a2 100644
--- a/hurd/Makefile
+++ b/hurd/Makefile
@@ -1,4 +1,4 @@
-# Copyright (C) 1991,92,93,94,95,96,97,98,99,2001,2002
+# Copyright (C) 1991,92,93,94,95,96,97,98,99,2001,2002,2004,2006
 #	Free Software Foundation, Inc.
 # This file is part of the GNU C Library.
 
@@ -46,7 +46,7 @@ server-interfaces	:= hurd/msg faultexc
 
 routines = hurdstartup hurdinit \
 	   hurdid hurdpid hurdrlimit hurdprio hurdexec hurdselect \
-	   hurdlookup lookup-retry \
+	   hurdlookup lookup-retry lookup-at \
 	   get-host set-host \
 	   path-lookup \
 	   setauth \
@@ -60,7 +60,7 @@ routines = hurdstartup hurdinit \
 	   vpprintf \
 	   ports-get ports-set hurdports hurdmsg \
 	   errno-loc \
-	   $(sig) $(dtable) $(inlines) port-cleanup report-wait
+	   $(sig) $(dtable) $(inlines) port-cleanup report-wait xattr
 sig	= hurdsig hurdfault siginfo hurd-raise preempt-sig \
 	  trampoline longjmp-ts catch-exc exc2signal hurdkill sigunwind \
 	  thread-self thread-cancel intr-msg catch-signal
diff --git a/hurd/exc2signal.c b/hurd/exc2signal.c
new file mode 100644
index 0000000000..de044bbcf4
--- /dev/null
+++ b/hurd/exc2signal.c
@@ -0,0 +1,71 @@
+/* Translate Mach exception codes into signal numbers.  Stub version.
+   Copyright (C) 1991, 1992, 1994, 1995, 1997 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 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
+   Lesser General Public License for more details.
+
+   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 <hurd.h>
+
+/* This file must be modified with machine-dependent details.  */
+#error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c"
+
+/* Translate the Mach exception codes, as received in an `exception_raise' RPC,
+   into a signal number and signal subcode.  */
+
+void
+_hurd_exception2signal (int exception, int code, int subcode,
+			int *signo, int *sigcode, int *error)
+{
+  *error = 0;
+
+  switch (exception)
+    {
+    default:
+      *signo = SIGIOT;
+      *sigcode = exception;
+      break;
+
+    case EXC_BAD_ACCESS:
+      if (code == KERN_PROTECTION_FAILURE)
+	*signo = SIGSEGV;
+      else
+	*signo = SIGBUS;
+      *sigcode = subcode;
+      *error = code;
+      break;
+
+    case EXC_BAD_INSTRUCTION:
+      *signo = SIGILL;
+      *sigcode = 0;
+      break;
+
+    case EXC_ARITHMETIC:
+      *signo = SIGFPE;
+      *sigcode = 0;
+      break;
+
+    case EXC_EMULATION:
+    case EXC_SOFTWARE:
+      *signo = SIGEMT;
+      *sigcode = 0;
+      break;
+
+    case EXC_BREAKPOINT:
+      *signo = SIGTRAP;
+      *sigcode = 0;
+      break;
+    }
+}
diff --git a/hurd/getdport.c b/hurd/getdport.c
index eeb5a8689e..41567d5fe1 100644
--- a/hurd/getdport.c
+++ b/hurd/getdport.c
@@ -35,8 +35,11 @@ __getdport (int fd)
      so we don't bother allocating a real table.  */
 
   if (_hurd_init_dtable == NULL)
-    /* Never had a descriptor table.  */
-    return EBADF;
+    {
+      /* Never had a descriptor table.  */
+      errno = EBADF;
+      return MACH_PORT_NULL;
+    }
 
   if (fd < 0 || (unsigned int) fd > _hurd_init_dtablesize ||
       _hurd_init_dtable[fd] == MACH_PORT_NULL)
diff --git a/hurd/hurd/fd.h b/hurd/hurd/fd.h
index 198791b807..ad11367f3b 100644
--- a/hurd/hurd/fd.h
+++ b/hurd/hurd/fd.h
@@ -1,5 +1,5 @@
 /* File descriptors.
-   Copyright (C) 1993,94,95,96,97,98,99,2000,01,02
+   Copyright (C) 1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2006
    	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -240,5 +240,21 @@ extern int _hurd_select (int nfds, struct pollfd *pollfds,
 			 const struct timespec *timeout,
 			 const sigset_t *sigmask);
 
+/* Variant of file_name_lookup used in *at function implementations.
+   AT_FLAGS should contain only AT_SYMLINK_NOFOLLOW; other bits
+   cause EINVAL.  */
+extern file_t __file_name_lookup_at (int fd, int at_flags,
+				     const char *file_name,
+				     int flags, mode_t mode);
+
+/* Variant of file_name_split used in *at function implementations.  */
+extern file_t __file_name_split_at (int fd, const char *file_name,
+				    char **name);
+
+/* Variant of directory_name_split used in *at function implementations.  */
+extern file_t __directory_name_split_at (int fd, const char *directory_name,
+					 char **name);
+
+
 
 #endif	/* hurd/fd.h */
diff --git a/hurd/hurd/lookup.h b/hurd/hurd/lookup.h
index faa35e0bf6..1d013d9537 100644
--- a/hurd/hurd/lookup.h
+++ b/hurd/hurd/lookup.h
@@ -1,5 +1,5 @@
 /* Declarations of file name translation functions for the GNU Hurd.
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 2006 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
@@ -76,8 +76,8 @@ error_t __hurd_file_name_split (error_t (*use_init_port)
 				  (int which,
 				   error_t (*operate) (mach_port_t)),
 				file_t (*get_dtable_port) (int fd),
-				error_t (*lookup)
-				  (file_t dir, char *name, int flags, mode_t mode,
+				error_t (*lookup) (file_t dir, char *name,
+						   int flags, mode_t mode,
 				   retry_type *do_retry, string_t retry_name,
 				   mach_port_t *result),
 				const char *file_name,
@@ -86,13 +86,37 @@ error_t hurd_file_name_split (error_t (*use_init_port)
 			        (int which,
 				 error_t (*operate) (mach_port_t)),
 			      file_t (*get_dtable_port) (int fd),
-			      error_t (*lookup)
-				(file_t dir, char *name, int flags, mode_t mode,
+			      error_t (*lookup) (file_t dir, char *name,
+						 int flags, mode_t mode,
 				 retry_type *do_retry, string_t retry_name,
 				 mach_port_t *result),
 			      const char *file_name,
 			      file_t *dir, char **name);
 
+/* Split DIRECTORY into a parent directory and a name within the directory.
+   This is the same as hurd_file_name_split, but ignores trailing slashes.  */
+
+error_t __hurd_directory_name_split (error_t (*use_init_port)
+				  (int which,
+				   error_t (*operate) (mach_port_t)),
+				file_t (*get_dtable_port) (int fd),
+				error_t (*lookup) (file_t dir, char *name,
+						   int flags, mode_t mode,
+				   retry_type *do_retry, string_t retry_name,
+				   mach_port_t *result),
+				const char *directory_name,
+				file_t *dir, char **name);
+error_t hurd_directory_name_split (error_t (*use_init_port)
+				   (int which,
+				    error_t (*operate) (mach_port_t)),
+				   file_t (*get_dtable_port) (int fd),
+				   error_t (*lookup) (file_t dir, char *name,
+						      int flags, mode_t mode,
+				    retry_type *do_retry, string_t retry_name,
+				    mach_port_t *result),
+				   const char *directory_name,
+				   file_t *dir, char **name);
+
 
 /* Process the values returned by `dir_lookup' et al, and loop doing
    `dir_lookup' calls until one returns FS_RETRY_NONE.  The arguments
diff --git a/hurd/hurd/xattr.h b/hurd/hurd/xattr.h
new file mode 100644
index 0000000000..aaa7fd8eaa
--- /dev/null
+++ b/hurd/hurd/xattr.h
@@ -0,0 +1,35 @@
+/* Access to extended attributes on files for GNU/Hurd.
+   Copyright (C) 2005 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 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
+   Lesser General Public License for more details.
+
+   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.  */
+
+#ifndef	_HURD_XATTR_H
+#define	_HURD_XATTR_H	1
+
+#include <sys/xattr.h>		/* This defines the XATTR_* flags.  */
+
+/* These are the internal versions of getxattr/setxattr/listxattr.  */
+extern error_t _hurd_xattr_get (io_t port, const char *name,
+				void *value, size_t *size);
+extern error_t _hurd_xattr_set (io_t port, const char *name,
+				const void *value, size_t size, int flags);
+extern error_t _hurd_xattr_remove (io_t port, const char *name);
+extern error_t _hurd_xattr_list (io_t port, void *buffer, size_t *size);
+
+
+
+#endif	/* hurd/xattr.h */
diff --git a/hurd/hurdfault.c b/hurd/hurdfault.c
index 6ab5a97876..36653e1488 100644
--- a/hurd/hurdfault.c
+++ b/hurd/hurdfault.c
@@ -1,5 +1,6 @@
 /* Handle faults in the signal thread.
-   Copyright (C) 1994,95,96,97,2002 Free Software Foundation, Inc.
+   Copyright (C) 1994,1995,1996,1997,2002,2005
+	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
@@ -24,7 +25,7 @@
 #include <string.h>
 #include <setjmp.h>
 #include <stdio.h>
-#include "thread_state.h"
+#include <thread_state.h>
 #include "faultexc_server.h"	/* mig-generated header for our exc server.  */
 #include <assert.h>
 
diff --git a/hurd/hurdlookup.c b/hurd/hurdlookup.c
index 77de27150a..8270132b90 100644
--- a/hurd/hurdlookup.c
+++ b/hurd/hurdlookup.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,93,94,95,96,97,99,2001,2004
+/* Copyright (C) 1992,1993,1994,1995,1996,1997,1999,2001,2004,2006
 	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -184,19 +184,7 @@ __hurd_directory_name_split (error_t (*use_init_port)
 	--lastslash;
 
       /* Find the last one earlier in the string, before the trailing ones.  */
-#if __GLIBC__ > 2 || __GLIBC_MINOR__ >= 2
       lastslash = __memrchr (file_name, '/', lastslash - file_name);
-#else
-      /* Keep backing up, looking for a slash.  */
-      do
-	if (lastslash == file_name)
-	  {
-	    /* Hit the start with no slash.  */
-	    lastslash = NULL;
-	    break;
-	  }
-      while (*lastslash-- != '/');
-#endif
     }
 
   if (lastslash != NULL)
diff --git a/hurd/hurdmalloc.c b/hurd/hurdmalloc.c
index 4839d98535..12da1f2abc 100644
--- a/hurd/hurdmalloc.c
+++ b/hurd/hurdmalloc.c
@@ -33,63 +33,7 @@
  * the rights to redistribute these changes.
  */
 /*
- * HISTORY
- * $Log$
- * Revision 1.15  2001/09/19 03:04:09  drepper
- * (bcopy): Removed.
- * (realloc): Replace bcopy with memcpy.
- *
- * Revision 1.14  2001/04/01 05:03:14  roland
- * 2001-03-11  Roland McGrath  <roland@frob.com>
- *
- * 	* mach/mach_error.h: Fix ancient #endif syntax.
- * 	* hurd/hurdmalloc.c: Likewise.
- *
- * Revision 1.13  1996/12/20 01:32:01  drepper
- * Update from main archive 961219
- *
- * Revision 1.12  1996/11/15 19:44:13  thomas
- * Tue Nov 12 16:58:41 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>
- *
- * 	* mach/msg-destroy.c (mach_msg_destroy_port,
- * 	mach_msg_destroy_memory): Use prototype	syntax.
- * 	* hurd/hurdmalloc.c (more_memory, malloc_fork_prepare,
- * 	malloc_fork_parent, malloc_fork_child): Likewise.
- *
- * Revision 1.11  1996/06/06 15:13:47  miles
- * Changes to bring in line with the hurd libthreads/malloc.c:
- *   (more_memory): Use assert_perror instead of MACH_CALL.
- *   "cthread_internals.h": Include removed.
- *   (realloc): Use LOG2_MIN_SIZE.
- *   (LOG2_MIN_SIZE): New macro.
- *   (realloc): Don't bother allocating a new block if the
- *     new size request fits in the old one and doesn't waste any space.
- *     Only free the old block if we successfully got a new one.
- *   [MCHECK] (struct header): New type.
- *   (union header): Only define if !MCHECK.
- *   (HEADER_SIZE, HEADER_NEXT, HEADER_FREE, HEADER_CHECK): New macros.
- *   [MCHECK] (MIN_SIZE): Add correct definition for this case.
- *   (more_memory, malloc, free, realloc): Use above macros, and add
- *     appropriate checks & frobs in MCHECK case.
- *
- * Revision 1.6  1996/03/07 21:13:08  miles
- * (realloc):
- *   Use LOG2_MIN_SIZE.
- *   Don't bother allocating a new block if the new size request fits in the old
- *     one and doesn't waste any space.
- *   Only free the old block if we successfully got a new one.
- * (LOG2_MIN_SIZE): New macro.
- *
- * Revision 1.5  1996/03/06 23:51:04  miles
- * [MCHECK] (struct header): New type.
- * (union header): Only define if !MCHECK.
- * (HEADER_SIZE, HEADER_NEXT, HEADER_FREE, HEADER_CHECK): New macros.
- * [MCHECK] (MIN_SIZE): Add correct definition for this case.
- * (more_memory, malloc, free, realloc):
- *   Use above macros, and add appropriate checks & frobs in MCHECK case.
- *
- * Revision 1.4  1994/05/05 11:21:42  roland
- * entered into RCS
+ * (pre-GNU) HISTORY
  *
  * Revision 2.7  91/05/14  17:57:34  mrt
  * 	Correcting copyright
diff --git a/hurd/hurdsig.c b/hurd/hurdsig.c
index bbd0c17182..e12d19da12 100644
--- a/hurd/hurdsig.c
+++ b/hurd/hurdsig.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,93,94,95,96,97,98,99,2000,01,2002
+/* Copyright (C) 1991,92,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2005
    	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
@@ -132,7 +132,7 @@ _hurd_thread_sigstate (thread_t thread)
 #include <setjmp.h>
 #include <fcntl.h>
 #include <sys/wait.h>
-#include "thread_state.h"
+#include <thread_state.h>
 #include <hurd/msg_server.h>
 #include <hurd/msg_reply.h>	/* For __msg_sig_post_reply.  */
 #include <hurd/interrupt.h>
@@ -256,7 +256,7 @@ interrupted_reply_port_location (struct machine_thread_all_state *thread_state,
 }
 
 #include <hurd/sigpreempt.h>
-#include "intr-msg.h"
+#include <intr-msg.h>
 
 /* Timeout on interrupt_operation calls.  */
 mach_msg_timeout_t _hurdsig_interrupt_timeout = 1000;
diff --git a/hurd/intr-msg.c b/hurd/intr-msg.c
index e75fca81fb..0ca6af3580 100644
--- a/hurd/intr-msg.c
+++ b/hurd/intr-msg.c
@@ -1,5 +1,6 @@
 /* Replacement for mach_msg used in interruptible Hurd RPCs.
-   Copyright (C) 1995,96,97,98,99,2000,01,02 Free Software Foundation, Inc.
+   Copyright (C) 1995,96,97,98,99,2000,2001,2002,2005
+	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
@@ -201,9 +202,10 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg,
 		    case MACH_MSG_TYPE_MOVE_SEND:
 		      for (i = 0; i < number; i++)
 			__mach_port_deallocate (__mach_task_self (), *ports++);
-		      (ty->msgtl_header.msgt_longform
-		       ? ty->msgtl_name : ty->msgtl_header.msgt_name)
-			= MACH_MSG_TYPE_COPY_SEND;
+		      if (ty->msgtl_header.msgt_longform)
+			ty->msgtl_name = MACH_MSG_TYPE_COPY_SEND;
+		      else
+			ty->msgtl_header.msgt_name = MACH_MSG_TYPE_COPY_SEND;
 		      break;
 		    case MACH_MSG_TYPE_COPY_SEND:
 		    case MACH_MSG_TYPE_MOVE_RECEIVE:
@@ -223,29 +225,29 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg,
 		  name = ty->msgtl_name;
 		  size = ty->msgtl_size;
 		  number = ty->msgtl_number;
-		  (char *) ty += sizeof (mach_msg_type_long_t);
+		  ty = (void *) ty + sizeof (mach_msg_type_long_t);
 		}
 	      else
 		{
 		  name = ty->msgtl_header.msgt_name;
 		  size = ty->msgtl_header.msgt_size;
 		  number = ty->msgtl_header.msgt_number;
-		  (char *) ty += sizeof (mach_msg_type_t);
+		  ty = (void *) ty + sizeof (mach_msg_type_t);
 		}
 
 	      if (ty->msgtl_header.msgt_inline)
 		{
 		  clean_ports ((void *) ty, 0);
 		  /* calculate length of data in bytes, rounding up */
-		  (char *) ty += (((((number * size) + 7) >> 3)
-				   + sizeof (mach_msg_type_t) - 1)
-				  &~ (sizeof (mach_msg_type_t) - 1));
+		  ty = (void *) ty + (((((number * size) + 7) >> 3)
+				       + sizeof (mach_msg_type_t) - 1)
+				      &~ (sizeof (mach_msg_type_t) - 1));
 		}
 	      else
 		{
 		  clean_ports (*(void **) ty,
 			       ty->msgtl_header.msgt_deallocate);
-		  ++(void **) ty;
+		  ty = (void *) ty + sizeof (void *);
 		}
 	    }
 #else  /* Untyped Mach IPC flavor. */
diff --git a/hurd/longjmp-ts.c b/hurd/longjmp-ts.c
new file mode 100644
index 0000000000..e9c297a20b
--- /dev/null
+++ b/hurd/longjmp-ts.c
@@ -0,0 +1,32 @@
+/* Perform a `longjmp' on a Mach thread_state.  Stub version.
+   Copyright (C) 1991, 1994, 1997 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 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
+   Lesser General Public License for more details.
+
+   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 <setjmp.h>
+#include <mach/thread_status.h>
+
+/* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'.  */
+
+void
+_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
+{
+  /* Set all the registers in *STATE to the values described by ENV and
+     RETVAL.  After this, setting that thread's state to STATE should be
+     just like calling `longjmp (ENV, RETVAL)'.  */
+  #error "Need to write sysdeps/mach/hurd/MACHINE/longjmp-ctx.c"
+}
diff --git a/hurd/lookup-at.c b/hurd/lookup-at.c
new file mode 100644
index 0000000000..a2d50cb192
--- /dev/null
+++ b/hurd/lookup-at.c
@@ -0,0 +1,110 @@
+/* Lookup helper function for Hurd implementation of *at functions.
+