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* sysdeps/mach/hurd/times.c: Fix typo in last change.

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* sysdeps/mach/hurd/setpriority.c [POLICY_TIMESHARE_BASE_COUNT]:
	Use task_policy in place of task_priority.

	* sysdeps/generic/bits/mman.h
	(MS_ASYNC, MS_SYNC, MS_INVALIDATE): New macros.
	* sysdeps/mach/msync.c: New file.

	* sysdeps/mach/powerpc/syscall.S: New file.

	* mach/msg.c [MACH_MSG_OVERWRITE]
	(__mach_msg_trap, __mach_msg_overwrite): New functions.
	* mach/Versions (libc: GLIBC_2.0): Add mach_msg_overwrite and __ name.

	* sysdeps/mach/configure.in: Check for clock.defs to put into
	mach_interface_list.
	* sysdeps/mach/configure: Regenerated.

	* mach/Makefile (mach-machine): New variable, set from $(base-machine).
	($(objpfx)mach-syscalls.mk): Use it in place of $(base-machine).
	($(mach-syscalls:%=$(objpfx)%.S) static pattern rule):
	Use <mach/machine/syscall_sw.h> instead of <sysdep.h>.
	(mach-shortcuts): Add device_read_overwrite_request,
	device_read_overwrite, vm_read_overwrite, thread_switch.

	* configure.in (base_machine): Set to $machine by default.
	* configure: Regenerated.
This commit is contained in:
Roland McGrath
2002-02-19 00:22:30 +00:00
parent 21297437bb
commit 3a2832a07f
14 changed files with 351 additions and 141 deletions
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57
sysdeps/mach/msync.c Normal file
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/* msync -- Synchronize mapped memory to external storage. Mach version.
Copyright (C) 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 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 <sys/types.h>
#include <sys/mman.h>
#include <errno.h>
#include <mach.h>
/* Some Mach variants have vm_msync and some don't. Those that have it
define the VM_SYNC_* bits when we include <mach/mach_types.h>. */
#ifndef VM_SYNC_SYNCHRONOUS
# include <sysdeps/generic/msync.c>
#else
/* Synchronize the region starting at ADDR and extending LEN bytes with the
file it maps. Filesystem operations on a file being mapped are
unpredictable before this is done. */
int
msync (__ptr_t addr, size_t len, int flags)
{
vm_sync_t sync_flags = 0;
kern_return_t err;
if (flags & MS_SYNC)
sync_flags |= VM_SYNC_SYNCHRONOUS;
if (flags & MS_ASYNC)
sync_flags |= VM_SYNC_ASYNCHRONOUS;
if (flags & MS_INVALIDATE)
sync_flags |= VM_SYNC_INVALIDATE;
if (err = __vm_msync (__mach_task_self (),
(vm_address_t) addr, (vm_size_t) len, sync_flags))
{
errno = err;
return -1;
}
return 0;
}
#endif