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Searched refs:ufds (Results 1 – 9 of 9) sorted by relevance

/Linux-v5.4/Documentation/media/uapi/cec/
Dcec-func-poll.rst30 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
36 ``ufds``
40 Number of FD events at the \*ufds array
74 One or more of the ``ufds`` members specify an invalid file
78 ``ufds`` references an inaccessible memory area.
/Linux-v5.4/fs/
Dselect.c960 static int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, in do_sys_poll() argument
983 if (copy_from_user(walk->entries, ufds + nfds-todo, in do_sys_poll()
1008 for (j = 0; j < walk->len; j++, ufds++) in do_sys_poll()
1009 if (__put_user(fds[j].revents, &ufds->revents)) in do_sys_poll()
1027 struct pollfd __user *ufds = restart_block->poll.ufds; in do_restart_poll() local
1038 ret = do_sys_poll(ufds, nfds, to); in do_restart_poll()
1047 SYSCALL_DEFINE3(poll, struct pollfd __user *, ufds, unsigned int, nfds, in SYSCALL_DEFINE3() argument
1059 ret = do_sys_poll(ufds, nfds, to); in SYSCALL_DEFINE3()
1066 restart_block->poll.ufds = ufds; in SYSCALL_DEFINE3()
1081 SYSCALL_DEFINE5(ppoll, struct pollfd __user *, ufds, unsigned int, nfds, in SYSCALL_DEFINE5() argument
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/Linux-v5.4/Documentation/media/uapi/mediactl/
Drequest-func-poll.rst47 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
53 ``ufds``
57 Number of file descriptor events at the \*ufds array
90 One or more of the ``ufds`` members specify an invalid file
94 ``ufds`` references an inaccessible memory area.
/Linux-v5.4/include/linux/
Drestart_block.h49 struct pollfd __user *ufds; member
Dcompat.h624 asmlinkage long compat_sys_ppoll_time32(struct pollfd __user *ufds,
629 asmlinkage long compat_sys_ppoll_time64(struct pollfd __user *ufds,
Dsyscalls.h1102 asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
/Linux-v5.4/Documentation/media/uapi/v4l/
Dfunc-poll.rst30 .. c:function:: int poll( struct pollfd *ufds, unsigned int nfds, int timeout )
109 One or more of the ``ufds`` members specify an invalid file
117 ``ufds`` references an inaccessible memory area.
/Linux-v5.4/drivers/misc/mic/scif/
Dscif_api.c1378 scif_poll(struct scif_pollepd *ufds, unsigned int nfds, long timeout_msecs) in scif_poll() argument
1391 pt->_key = ufds[i].events | EPOLLERR | EPOLLHUP; in scif_poll()
1392 mask = __scif_pollfd(ufds[i].epd->anon, in scif_poll()
1393 pt, ufds[i].epd); in scif_poll()
1394 mask &= ufds[i].events | EPOLLERR | EPOLLHUP; in scif_poll()
1399 ufds[i].revents = mask; in scif_poll()
/Linux-v5.4/samples/mic/mpssd/
Dmpssd.c1437 struct pollfd ufds[1]; in block_till_state_change() local
1441 ufds[0].fd = fd; in block_till_state_change()
1442 ufds[0].events = POLLERR | POLLPRI; in block_till_state_change()
1443 ret = poll(ufds, 1, -1); in block_till_state_change()