diff options
Diffstat (limited to 'backport-include/linux/poll.h')
-rw-r--r-- | backport-include/linux/poll.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/backport-include/linux/poll.h b/backport-include/linux/poll.h new file mode 100644 index 0000000..3eecd81 --- /dev/null +++ b/backport-include/linux/poll.h @@ -0,0 +1,20 @@ +#ifndef __BACKPORT_LINUX_POLL_H +#define __BACKPORT_LINUX_POLL_H +#include_next <linux/poll.h> +#include <linux/version.h> + +#if LINUX_VERSION_IS_LESS(3,4,0) +#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 /* < 3.4 */ + +#endif /* __BACKPORT_LINUX_POLL_H */ |