sync code with last improvements from OpenBSD

This commit is contained in:
purplerain 2023-08-21 03:05:03 +00:00
parent cb9f36df51
commit 6b5b190599
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
48 changed files with 1492 additions and 422 deletions

View file

@ -1,4 +1,4 @@
/* $OpenBSD: kern_event.c,v 1.197 2023/08/13 08:29:28 visa Exp $ */
/* $OpenBSD: kern_event.c,v 1.198 2023/08/20 15:13:43 visa Exp $ */
/*-
* Copyright (c) 1999,2000,2001 Jonathan Lemon <jlemon@FreeBSD.org>
@ -60,6 +60,7 @@
#define KLIST_ASSERT_LOCKED(kl) ((void)(kl))
#endif
int dokqueue(struct proc *, int, register_t *);
struct kqueue *kqueue_alloc(struct filedesc *);
void kqueue_terminate(struct proc *p, struct kqueue *);
void KQREF(struct kqueue *);
@ -912,12 +913,14 @@ kqueue_alloc(struct filedesc *fdp)
}
int
sys_kqueue(struct proc *p, void *v, register_t *retval)
dokqueue(struct proc *p, int flags, register_t *retval)
{
struct filedesc *fdp = p->p_fd;
struct kqueue *kq;
struct file *fp;
int fd, error;
int cloexec, error, fd;
cloexec = (flags & O_CLOEXEC) ? UF_EXCLOSE : 0;
kq = kqueue_alloc(fdp);
@ -925,14 +928,14 @@ sys_kqueue(struct proc *p, void *v, register_t *retval)
error = falloc(p, &fp, &fd);
if (error)
goto out;
fp->f_flag = FREAD | FWRITE;
fp->f_flag = FREAD | FWRITE | (flags & FNONBLOCK);
fp->f_type = DTYPE_KQUEUE;
fp->f_ops = &kqueueops;
fp->f_data = kq;
*retval = fd;
LIST_INSERT_HEAD(&fdp->fd_kqlist, kq, kq_next);
kq = NULL;
fdinsert(fdp, fd, 0, fp);
fdinsert(fdp, fd, cloexec, fp);
FRELE(fp, p);
out:
fdpunlock(fdp);
@ -941,6 +944,24 @@ out:
return (error);
}
int
sys_kqueue(struct proc *p, void *v, register_t *retval)
{
return (dokqueue(p, 0, retval));
}
int
sys_kqueue1(struct proc *p, void *v, register_t *retval)
{
struct sys_kqueue1_args /* {
syscallarg(int) flags;
} */ *uap = v;
if (SCARG(uap, flags) & ~(O_CLOEXEC | FNONBLOCK))
return (EINVAL);
return (dokqueue(p, SCARG(uap, flags), retval));
}
int
sys_kevent(struct proc *p, void *v, register_t *retval)
{