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This commit is contained in:
dholland 2017-04-09 00:02:30 +00:00
parent 1f1b1925f3
commit 492367a1e1
1 changed files with 12 additions and 9 deletions
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21
sys/compat/linux/common/linux_futex.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_futex.c,v 1.35 2016/08/15 09:20:11 maxv Exp $ */
/* $NetBSD: linux_futex.c,v 1.36 2017/04/09 00:02:30 dholland Exp $ */
/*-
* Copyright (c) 2005 Emmanuel Dreyfus, all rights reserved.
@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(1, "$NetBSD: linux_futex.c,v 1.35 2016/08/15 09:20:11 maxv Exp $");
__KERNEL_RCSID(1, "$NetBSD: linux_futex.c,v 1.36 2017/04/09 00:02:30 dholland Exp $");
#include <sys/param.h>
#include <sys/time.h>
@ -112,7 +112,8 @@ static int futex_wake(struct futex *, int, struct futex *, int);
static int futex_atomic_op(lwp_t *, int, void *);
int
linux_sys_futex(struct lwp *l, const struct linux_sys_futex_args *uap, register_t *retval)
linux_sys_futex(struct lwp *l, const struct linux_sys_futex_args *uap,
register_t *retval)
{
/* {
syscallarg(int *) uaddr;
@ -138,7 +139,8 @@ linux_sys_futex(struct lwp *l, const struct linux_sys_futex_args *uap, register_
}
int
linux_do_futex(struct lwp *l, const struct linux_sys_futex_args *uap, register_t *retval, struct timespec *ts)
linux_do_futex(struct lwp *l, const struct linux_sys_futex_args *uap,
register_t *retval, struct timespec *ts)
{
/* {
syscallarg(int *) uaddr;
@ -196,12 +198,13 @@ linux_do_futex(struct lwp *l, const struct linux_sys_futex_args *uap, register_t
if (error != ETIMEDOUT)
return error;
/*
* If the user process requests a non null timeout,
* make sure we do not turn it into an infinite
* timeout because tout is 0.
* If the user process requests a non null
* timeout, make sure we do not turn it into
* an infinite timeout because tout is 0.
*
* We use a minimal timeout of 1/hz. Maybe it would make
* sense to just return ETIMEDOUT without sleeping.
* We use a minimal timeout of 1/hz. Maybe it
* would make sense to just return ETIMEDOUT
* without sleeping.
*/
if (SCARG(uap, timeout) != NULL)
tout = 1;