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sys/compat/linux/linux_event.c
| Show First 20 Lines • Show All 415 Lines • ▼ Show 20 Lines | linux_epoll_ctl(struct thread *td, struct linux_epoll_ctl_args *args) | ||||
| if (args->op != LINUX_EPOLL_CTL_DEL) { | if (args->op != LINUX_EPOLL_CTL_DEL) { | ||||
| error = copyin(args->event, &le, sizeof(le)); | error = copyin(args->event, &le, sizeof(le)); | ||||
| if (error != 0) | if (error != 0) | ||||
| return (error); | return (error); | ||||
| } | } | ||||
| error = fget(td, args->epfd, | error = fget(td, args->epfd, | ||||
| cap_rights_init(&rights, CAP_KQUEUE_CHANGE), &epfp); | cap_rights_init_one(&rights, CAP_KQUEUE_CHANGE), &epfp); | ||||
| if (error != 0) | if (error != 0) | ||||
| return (error); | return (error); | ||||
| if (epfp->f_type != DTYPE_KQUEUE) { | if (epfp->f_type != DTYPE_KQUEUE) { | ||||
| error = EINVAL; | error = EINVAL; | ||||
| goto leave1; | goto leave1; | ||||
| } | } | ||||
| /* Protect user data vector from incorrectly supplied fd. */ | /* Protect user data vector from incorrectly supplied fd. */ | ||||
| error = fget(td, args->fd, cap_rights_init(&rights, CAP_POLL_EVENT), &fp); | error = fget(td, args->fd, | ||||
| cap_rights_init_one(&rights, CAP_POLL_EVENT), &fp); | |||||
| if (error != 0) | if (error != 0) | ||||
| goto leave1; | goto leave1; | ||||
| /* Linux disallows spying on himself */ | /* Linux disallows spying on himself */ | ||||
| if (epfp == fp) { | if (epfp == fp) { | ||||
| error = EINVAL; | error = EINVAL; | ||||
| goto leave0; | goto leave0; | ||||
| } | } | ||||
| ▲ Show 20 Lines • Show All 58 Lines • ▼ Show 20 Lines | linux_epoll_wait_common(struct thread *td, int epfd, struct epoll_event *events, | ||||
| struct file *epfp; | struct file *epfp; | ||||
| sigset_t omask; | sigset_t omask; | ||||
| int error; | int error; | ||||
| if (maxevents <= 0 || maxevents > LINUX_MAX_EVENTS) | if (maxevents <= 0 || maxevents > LINUX_MAX_EVENTS) | ||||
| return (EINVAL); | return (EINVAL); | ||||
| error = fget(td, epfd, | error = fget(td, epfd, | ||||
| cap_rights_init(&rights, CAP_KQUEUE_EVENT), &epfp); | cap_rights_init_one(&rights, CAP_KQUEUE_EVENT), &epfp); | ||||
| if (error != 0) | if (error != 0) | ||||
| return (error); | return (error); | ||||
| if (epfp->f_type != DTYPE_KQUEUE) { | if (epfp->f_type != DTYPE_KQUEUE) { | ||||
| error = EINVAL; | error = EINVAL; | ||||
| goto leave; | goto leave; | ||||
| } | } | ||||
| if (uset != NULL) { | if (uset != NULL) { | ||||
| error = kern_sigprocmask(td, SIG_SETMASK, uset, | error = kern_sigprocmask(td, SIG_SETMASK, uset, | ||||
| ▲ Show 20 Lines • Show All 531 Lines • Show Last 20 Lines | |||||