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linux(4): Add epoll_pwai2 syscall.

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MFC after:	2 weeks
This commit is contained in:
Dmitry Chagin 2022-04-26 19:35:59 +03:00
parent df377f1fb8
commit e00aad1042
2 changed files with 56 additions and 1 deletions
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1
sys/compat/linux/linux_dummy.c
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@ -140,7 +140,6 @@ DUMMY(close_range);
DUMMY(openat2);
DUMMY(pidfd_getfd);
DUMMY(process_madvise);
DUMMY(epoll_pwait2);
DUMMY(mount_setattr);
/* Linux 4.18: */
DUMMY(io_pgetevents);

56
sys/compat/linux/linux_event.c
View File

@ -535,6 +535,62 @@ linux_epoll_pwait(struct thread *td, struct linux_epoll_pwait_args *args)
args->maxevents, args->timeout, pmask));
}
#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
int
linux_epoll_pwait2_64(struct thread *td, struct linux_epoll_pwait2_64_args *args)
{
struct timespec ts, *tsa;
struct l_timespec64 lts;
sigset_t mask, *pmask;
int error;
error = linux_copyin_sigset(args->mask, sizeof(l_sigset_t),
&mask, &pmask);
if (error != 0)
return (error);
if (args->timeout) {
if ((error = copyin(args->timeout, &lts, sizeof(lts))))
return (error);
error = linux_to_native_timespec64(&ts, &lts);
if (error != 0)
return (error);
tsa = &ts;
} else
tsa = NULL;
return (linux_epoll_wait_ts(td, args->epfd, args->events,
args->maxevents, tsa, pmask));
}
#else
int
linux_epoll_pwait2(struct thread *td, struct linux_epoll_pwait2_args *args)
{
struct timespec ts, *tsa;
struct l_timespec lts;
sigset_t mask, *pmask;
int error;
error = linux_copyin_sigset(args->mask, sizeof(l_sigset_t),
&mask, &pmask);
if (error != 0)
return (error);
if (args->timeout) {
if ((error = copyin(args->timeout, &lts, sizeof(lts))))
return (error);
error = linux_to_native_timespec(&ts, &lts);
if (error != 0)
return (error);
tsa = &ts;
} else
tsa = NULL;
return (linux_epoll_wait_ts(td, args->epfd, args->events,
args->maxevents, tsa, pmask));
}
#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
static int
epoll_register_kevent(struct thread *td, struct file *epfp, int fd, int filter,
unsigned int flags)