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/*
* David Leonard <d@openbsd.org>, 1999. Public Domain.
*
* $OpenBSD: uthread_msync.c,v 1.2 1999/06/09 07:16:17 d Exp $
*
* $FreeBSD$
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <pthread.h>
#include "pthread_private.h"
__weak_reference(__msync, msync);
int
_msync(void *addr, size_t len, int flags)
{
int ret;
ret = __sys_msync(addr, len, flags);
return (ret);
}
int
__msync(void *addr, size_t len, int flags)
{
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.
*/
_thread_enter_cancellation_point();
ret = _msync(addr, len, flags);
_thread_leave_cancellation_point();
return ret;
}
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