| Current Path : /compat/linux/proc/self/root/usr/src/lib/libkse/thread/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //compat/linux/proc/self/root/usr/src/lib/libkse/thread/thr_msync.c |
/*
* David Leonard <d@openbsd.org>, 1999. Public Domain.
*
* $OpenBSD: uthread_msync.c,v 1.2 1999/06/09 07:16:17 d Exp $
*
* $FreeBSD: release/9.1.0/lib/libkse/thread/thr_msync.c 174689 2007-12-16 23:29:57Z deischen $
*/
#include "namespace.h"
#include <sys/types.h>
#include <sys/mman.h>
#include <pthread.h>
#include "un-namespace.h"
#include "thr_private.h"
int __msync(void *addr, size_t len, int flags);
__weak_reference(__msync, msync);
int
__msync(void *addr, size_t len, int flags)
{
struct pthread *curthread = _get_curthread();
int ret;
/*
* XXX This is quite pointless unless we know how to get the
* file descriptor associated with the memory, and lock it for
* write. The only real use of this wrapper is to guarantee
* a cancellation point, as per the standard. sigh.
*/
_thr_cancel_enter(curthread);
ret = __sys_msync(addr, len, flags);
_thr_cancel_leave(curthread, 1);
return (ret);
}