| #ifndef __BACKPORT_LINUX_POLL_H |
| #define __BACKPORT_LINUX_POLL_H |
| #include_next <linux/poll.h> |
| #include <linux/version.h> |
| |
| #if LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0) && \ |
| LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31) |
| #define poll_does_not_wait LINUX_BACKPORT(poll_does_not_wait) |
| static inline bool poll_does_not_wait(const poll_table *p) |
| { |
| return p == NULL || p->qproc == NULL; |
| } |
| |
| #define poll_requested_events LINUX_BACKPORT(poll_requested_events) |
| static inline unsigned long poll_requested_events(const poll_table *p) |
| { |
| return p ? p->key : ~0UL; |
| } |
| #endif /* 2.6.31 <= version < 3.4 */ |
| |
| #endif /* __BACKPORT_LINUX_POLL_H */ |
