* hurd/Makefile (routines): Add get-host, set-host.

	(distribute): Add hurdhost.h.
	* hurd/hurdhost.h: New file.
	* sysdeps/mach/hurd/gethostname.c: Use _hurd_get_host_config.
	* sysdeps/mach/hurd/gethostid.c: Likewise.
	* sysdeps/mach/hurd/sethostname.c: Use _hurd_set_host_config.
	* sysdeps/mach/hurd/sethostid.c: Likewise.
	* hurd/get-host.c: New file.
	* hurd/set-host.c: New file.

	* math/Makefile (headers): Add fpu_control.h.
	(aux): New variable, list fpu_control and setfpucw.
	* sysdeps/generic/fpu_control.c: New file.
	* sysdeps/stub/fpu_control.h: New file.
	* sysdeps/unix/sysv/linux/m68k/fpu_control.h: Moved to ...
	* sysdeps/m68k/fpu_control.h: here.
	* sysdeps/unix/sysv/linux/i386/fpu_control.h: Moved to ...
	* sysdeps/i386/fpu_control.h: here.
	* sysdeps/unix/sysv/linux/alpha/fpu_control.h: Moved to ...
	* sysdeps/alpha/fpu/fpu_control.h: here.  Fixed copyright.
	* sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Remove
	setfpucw, fpu_control.
	* sysdeps/unix/sysv/linux/alpha/fpu_control.c: File removed.
	* sysdeps/unix/sysv/linux/setfpucw.c: Moved to ...
	* sysdeps/generic/setfpucw.c: here.
	(__fpu_control): Variable removed.
	(__setfpucw): Use SET even if zero.

4 files changed, 136 insertions, 1 deletions

diff --git a/hurd/Makefile b/hurd/Makefile
index 4f1f22c7c8..1484ad5a06 100644
--- a/hurd/Makefile
+++ b/hurd/Makefile
@@ -40,6 +40,7 @@ server-interfaces	:= hurd/msg faultexc
 
 routines = hurdstartup hurdinit \
 	   hurdid hurdlookup hurdpid hurdrlimit hurdprio hurdexec \
+	   get-host set-host \
 	   path-lookup \
 	   setauth \
 	   pid2task task2pid \
@@ -57,7 +58,8 @@ sig	= hurdsig hurdfault siginfo hurd-raise preempt-sig \
 dtable	= dtable port2fd new-fd alloc-fd intern-fd \
 	  getdport openport \
 	  fd-close fd-read fd-write hurdioctl ctty-input ctty-output
-distribute = hurdstartup.h hurdfault.h faultexc.defs intr-rpc.defs intr-rpc.h
+distribute = hurdstartup.h hurdfault.h hurdhost.h \
+	     faultexc.defs intr-rpc.defs intr-rpc.h
 
 # XXX this is a temporary hack; see hurdmalloc.h
 routines += hurdmalloc
diff --git a/hurd/get-host.c b/hurd/get-host.c
new file mode 100644
index 0000000000..231ee59d88
--- /dev/null
+++ b/hurd/get-host.c
@@ -0,0 +1,57 @@
+/* Get a host configuration item kept as the whole contents of a file.
+Copyright (C) 1996 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 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.
+
+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.  */
+
+#include <hurd.h>
+#include "hurdhost.h"
+
+ssize_t
+_hurd_get_host_config (const char *item, char *buf, size_t buflen)
+{
+  error_t err;
+  char *data;
+  mach_msg_type_number_t nread, more;
+  file_t config = __file_name_lookup (item, O_RDONLY, 0);
+  if (config == MACH_PORT_NULL)
+    return -1;
+
+  data = buf;
+  err = __io_read (config, &data, &nread, -1, buflen);
+  if (! err)
+    /* Check if there is more in the file we didn't read.  */
+    err = __io_readable (config, &more);
+  __mach_port_deallocate (__mach_task_self (), config);
+  if (err)
+    return __hurd_fail (err);
+  if (data != buf)
+    {
+      memcpy (buf, data, nread);
+      __vm_deallocate (__mach_task_self (), (vm_address_t) data, nread);
+    }
+
+  /* Remove newlines in case someone wrote the file by hand.  */
+  while (buf[nread - 1] == '\n')
+    buf[--nread] = '\0';
+
+  if (more)
+    /* If we didn't read the whole file, tell the caller to use a bigger
+       buffer next time.  */
+    return __hurd_fail (ENAMETOOLONG);
+
+  return nread;
+}
diff --git a/hurd/hurdhost.h b/hurd/hurdhost.h
new file mode 100644
index 0000000000..7a826ebbbd
--- /dev/null
+++ b/hurd/hurdhost.h
@@ -0,0 +1,28 @@
+/* Host configuration items kept as the whole contents of a file.
+Copyright (C) 1996 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 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.
+
+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.  */
+
+/* Fetch and atomically store the contents of the file ITEM.
+   Returns the size read or written, or -1 for errors.
+   If BUFLEN is not big enough to contain the whole contents,
+   BUFLEN bytes of BUF are filled in and we fail with ENAMETOOLONG.  */
+
+ssize_t _hurd_get_host_config (const char *item,
+			       char *buf, size_t buflen);
+ssize_t _hurd_set_host_config (const char *item,
+			       const char *value, size_t valuelen);
diff --git a/hurd/set-host.c b/hurd/set-host.c
new file mode 100644
index 0000000000..e9af697226
--- /dev/null
+++ b/hurd/set-host.c
@@ -0,0 +1,48 @@
+/* Set a host configuration item kept as the whole contents of a file.
+Copyright (C) 1996 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 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.
+
+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.  */
+
+#include <hurd.h>
+#include "hurdhost.h"
+
+ssize_t
+_hurd_set_host_config (const char *item, const char *value, size_t valuelen)
+{
+  error_t err;
+  mach_msg_type_number_t nwrote;
+  file_t new, dir;
+
+  dir = __file_name_split (item, &item);
+  if (dir == MACH_PORT_NULL)
+    return -1;
+
+  /* Create a new node.  */
+  err = __dir_mkfile (dir, O_CREAT|O_TRUNC, 0600, &new);
+  if (! err)
+    {
+      /* Write the contents.  */
+      err = __io_write (new, value, valuelen, 0, &nwrote);
+      if (! err)
+	/* Atomically link the new node onto the name.  */
+	err = __dir_link (dir, item, 0);
+      __mach_port_deallocate (__mach_task_self (), new);
+    }
+  __mach_port_deallocate (__mach_task_self (), dir);
+
+  return nread;
+}