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c71d227fc4
mangle/demangle on the way to/from userland Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __ASM_GENERIC_POLL_H
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#define __ASM_GENERIC_POLL_H
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/* These are specified by iBCS2 */
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#define POLLIN (__force __poll_t)0x0001
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#define POLLPRI (__force __poll_t)0x0002
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#define POLLOUT (__force __poll_t)0x0004
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#define POLLERR (__force __poll_t)0x0008
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#define POLLHUP (__force __poll_t)0x0010
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#define POLLNVAL (__force __poll_t)0x0020
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/* The rest seem to be more-or-less nonstandard. Check them! */
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#define POLLRDNORM (__force __poll_t)0x0040
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#define POLLRDBAND (__force __poll_t)0x0080
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#ifndef POLLWRNORM
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#define POLLWRNORM (__force __poll_t)0x0100
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#endif
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#ifndef POLLWRBAND
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#define POLLWRBAND (__force __poll_t)0x0200
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#endif
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#ifndef POLLMSG
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#define POLLMSG (__force __poll_t)0x0400
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#endif
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#ifndef POLLREMOVE
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#define POLLREMOVE (__force __poll_t)0x1000
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#endif
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#ifndef POLLRDHUP
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#define POLLRDHUP (__force __poll_t)0x2000
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#endif
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#define POLLFREE (__force __poll_t)0x4000 /* currently only for epoll */
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#define POLL_BUSY_LOOP (__force __poll_t)0x8000
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#ifdef __KERNEL__
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#ifndef __ARCH_HAS_MANGLED_POLL
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static inline __u16 mangle_poll(__poll_t val)
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{
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return (__force __u16)val;
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}
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static inline __poll_t demangle_poll(__u16 v)
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{
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return (__force __poll_t)v;
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}
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#endif
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#endif
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struct pollfd {
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int fd;
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short events;
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short revents;
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};
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#endif /* __ASM_GENERIC_POLL_H */
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