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* config.h.in: Add #undef HAVE_HOST_PAGE_SIZE. 

* sysdeps/mach/configure.in: Check for host_page_size RPC to define it.
	* mach/mach_init.c (__mach_init) [HAVE_HOST_PAGE_SIZE]: Use
	host_page_size instead of vm_statistics.
This commit is contained in:
Roland McGrath 2002-02-17 07:30:04 +00:00
parent 690a2f7da6
commit 30537cab78
4 changed files with 29 additions and 6 deletions
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5
ChangeLog
View File

@ -1,5 +1,10 @@
2002-02-16 Roland McGrath <roland@frob.com>
* config.h.in: Add #undef HAVE_HOST_PAGE_SIZE.
* sysdeps/mach/configure.in: Check for host_page_size RPC to define it.
* mach/mach_init.c (__mach_init) [HAVE_HOST_PAGE_SIZE]: Use
host_page_size instead of vm_statistics.
* sysdeps/mach/Makefile (mach-before-compile): Don't include
mach_interface.h here, since not all variants use that name.

3
config.h.in
View File

@ -131,6 +131,9 @@
/* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
#undef HAVE_MIG_RETCODE
/* Mach specific: define if the `host_page_size' RPC is available. */
#undef HAVE_HOST_PAGE_SIZE
/*
*/

18
mach/mach_init.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1992,93,95,97,2001 Free Software Foundation, Inc.
/* Copyright (C) 1992,93,95,97,2001,02 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
@ -16,8 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <mach_init.h>
#include <mach/mach_interface.h>
#include <mach.h>
#include <mach/mig_support.h>
#include <unistd.h>
@ -29,13 +28,20 @@ void
__mach_init (void)
{
kern_return_t err;
vm_statistics_data_t stats;
__mach_task_self_ = (__mach_task_self) ();
__mig_init (0);
if (err = __vm_statistics (__mach_task_self (), &stats))
#if HAVE_HOST_PAGE_SIZE
if (err = __host_page_size (__mach_host_self (), &__vm_page_size))
_exit (err);
__vm_page_size = stats.pagesize;
#else
{
vm_statistics_data_t stats;
if (err = __vm_statistics (__mach_task_self (), &stats))
_exit (err);
__vm_page_size = stats.pagesize;
}
#endif
}
weak_alias (__mach_init, mach_init)

9
sysdeps/mach/configure.in
View File

@ -59,3 +59,12 @@ done
if test "x$mach_interface_list" = x; then
AC_MSG_ERROR([what manner of Mach is this?])
fi
AC_CACHE_CHECK(for host_page_size in mach_host.defs,
libc_cv_mach_host_page_size, [dnl
AC_EGREP_HEADER(host_page_size, mach/mach_host.defs,
libc_cv_mach_host_page_size=yes,
libc_cv_mach_host_page_size=no)])
if test $libc_cv_mach_host_page_size = yes; then
AC_DEFINE([HAVE_HOST_PAGE_SIZE])
fi