poll.h 853 B

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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. #ifndef __SPARC_POLL_H
  3. #define __SPARC_POLL_H
  4. #ifndef __KERNEL__
  5. #define POLLWRNORM POLLOUT
  6. #define POLLWRBAND (__force __poll_t)256
  7. #define POLLMSG (__force __poll_t)512
  8. #define POLLREMOVE (__force __poll_t)1024
  9. #define POLLRDHUP (__force __poll_t)2048
  10. #else
  11. #define __ARCH_HAS_MANGLED_POLL
  12. static inline __u16 mangle_poll(__poll_t val)
  13. {
  14. __u16 v = (__force __u16)val;
  15. /* bit 9 -> bit 8, bit 8 -> bit 2, bit 13 -> bit 11 */
  16. return (v & ~0x300) | ((v & 0x200) >> 1) | ((v & 0x100) >> 6) |
  17. ((v & 0x2000) >> 2);
  18. }
  19. static inline __poll_t demangle_poll(__u16 v)
  20. {
  21. /* bit 8 -> bit 9, bit 2 -> bits 2 and 8 */
  22. return (__force __poll_t)((v & ~0x100) | ((v & 0x100) << 1) |
  23. ((v & 4) << 6) | ((v & 0x800) << 2));
  24. }
  25. #endif
  26. #include <asm-generic/poll.h>
  27. #endif