1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef __ASM_GENERIC_POLL_H 2 #ifndef __ASM_GENERIC_POLL_H
3 #define __ASM_GENERIC_POLL_H 3 #define __ASM_GENERIC_POLL_H
4 4
5 /* These are specified by iBCS2 */ 5 /* These are specified by iBCS2 */
6 #define POLLIN 0x0001 6 #define POLLIN 0x0001
7 #define POLLPRI 0x0002 7 #define POLLPRI 0x0002
8 #define POLLOUT 0x0004 8 #define POLLOUT 0x0004
9 #define POLLERR 0x0008 9 #define POLLERR 0x0008
10 #define POLLHUP 0x0010 10 #define POLLHUP 0x0010
11 #define POLLNVAL 0x0020 11 #define POLLNVAL 0x0020
12 12
13 /* The rest seem to be more-or-less nonstandar 13 /* The rest seem to be more-or-less nonstandard. Check them! */
14 #define POLLRDNORM 0x0040 14 #define POLLRDNORM 0x0040
15 #define POLLRDBAND 0x0080 15 #define POLLRDBAND 0x0080
16 #ifndef POLLWRNORM 16 #ifndef POLLWRNORM
17 #define POLLWRNORM 0x0100 17 #define POLLWRNORM 0x0100
18 #endif 18 #endif
19 #ifndef POLLWRBAND 19 #ifndef POLLWRBAND
20 #define POLLWRBAND 0x0200 20 #define POLLWRBAND 0x0200
21 #endif 21 #endif
22 #ifndef POLLMSG 22 #ifndef POLLMSG
23 #define POLLMSG 0x0400 23 #define POLLMSG 0x0400
24 #endif 24 #endif
25 #ifndef POLLREMOVE 25 #ifndef POLLREMOVE
26 #define POLLREMOVE 0x1000 26 #define POLLREMOVE 0x1000
27 #endif 27 #endif
28 #ifndef POLLRDHUP 28 #ifndef POLLRDHUP
29 #define POLLRDHUP 0x2000 29 #define POLLRDHUP 0x2000
30 #endif 30 #endif
31 31
32 #define POLLFREE (__force __poll_t)0x40 !! 32 #define POLLFREE (__force __poll_t)0x4000 /* currently only for epoll */
33 33
34 #define POLL_BUSY_LOOP (__force __poll_t)0x80 34 #define POLL_BUSY_LOOP (__force __poll_t)0x8000
35 35
36 struct pollfd { 36 struct pollfd {
37 int fd; 37 int fd;
38 short events; 38 short events;
39 short revents; 39 short revents;
40 }; 40 };
41 41
42 #endif /* __ASM_GENERIC_POLL_H */ 42 #endif /* __ASM_GENERIC_POLL_H */
43 43
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