linux_dsm_epyc7002/include/uapi/asm-generic/poll.h
Al Viro c71d227fc4 make kernel-side POLL... arch-independent
mangle/demangle on the way to/from userland

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-11-29 19:00:41 -05:00

57 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_GENERIC_POLL_H
#define __ASM_GENERIC_POLL_H
/* These are specified by iBCS2 */
#define POLLIN (__force __poll_t)0x0001
#define POLLPRI (__force __poll_t)0x0002
#define POLLOUT (__force __poll_t)0x0004
#define POLLERR (__force __poll_t)0x0008
#define POLLHUP (__force __poll_t)0x0010
#define POLLNVAL (__force __poll_t)0x0020
/* The rest seem to be more-or-less nonstandard. Check them! */
#define POLLRDNORM (__force __poll_t)0x0040
#define POLLRDBAND (__force __poll_t)0x0080
#ifndef POLLWRNORM
#define POLLWRNORM (__force __poll_t)0x0100
#endif
#ifndef POLLWRBAND
#define POLLWRBAND (__force __poll_t)0x0200
#endif
#ifndef POLLMSG
#define POLLMSG (__force __poll_t)0x0400
#endif
#ifndef POLLREMOVE
#define POLLREMOVE (__force __poll_t)0x1000
#endif
#ifndef POLLRDHUP
#define POLLRDHUP (__force __poll_t)0x2000
#endif
#define POLLFREE (__force __poll_t)0x4000 /* currently only for epoll */
#define POLL_BUSY_LOOP (__force __poll_t)0x8000
#ifdef __KERNEL__
#ifndef __ARCH_HAS_MANGLED_POLL
static inline __u16 mangle_poll(__poll_t val)
{
return (__force __u16)val;
}
static inline __poll_t demangle_poll(__u16 v)
{
return (__force __poll_t)v;
}
#endif
#endif
struct pollfd {
int fd;
short events;
short revents;
};
#endif /* __ASM_GENERIC_POLL_H */