diff options
Diffstat (limited to 'include/linux/poll.h')
| -rw-r--r-- | include/linux/poll.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/include/linux/poll.h b/include/linux/poll.h index 04781a753326..f45ebd017eaa 100644 --- a/include/linux/poll.h +++ b/include/linux/poll.h @@ -11,6 +11,7 @@ #include <linux/sysctl.h> #include <linux/uaccess.h> #include <uapi/linux/poll.h> +#include <uapi/linux/eventpoll.h> extern struct ctl_table epoll_table[]; /* for sysctl */ /* ~832 bytes of stack space used max in sys_select/sys_poll before allocating @@ -22,7 +23,7 @@ extern struct ctl_table epoll_table[]; /* for sysctl */ #define WQUEUES_STACK_ALLOC (MAX_STACK_ALLOC - FRONTEND_STACK_ALLOC) #define N_INLINE_POLL_ENTRIES (WQUEUES_STACK_ALLOC / sizeof(struct poll_table_entry)) -#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM) +#define DEFAULT_POLLMASK (EPOLLIN | EPOLLOUT | EPOLLRDNORM | EPOLLWRNORM) struct poll_table_struct; @@ -107,4 +108,28 @@ extern int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp, extern int poll_select_set_timeout(struct timespec64 *to, time64_t sec, long nsec); +#define __MAP(v, from, to) \ + (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) + +static inline __u16 mangle_poll(__poll_t val) +{ + __u16 v = (__force __u16)val; +#define M(X) __MAP(v, (__force __u16)EPOLL##X, POLL##X) + return M(IN) | M(OUT) | M(PRI) | M(ERR) | M(NVAL) | + M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | + M(HUP) | M(RDHUP) | M(MSG); +#undef M +} + +static inline __poll_t demangle_poll(u16 val) +{ +#define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) + return M(IN) | M(OUT) | M(PRI) | M(ERR) | M(NVAL) | + M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | + M(HUP) | M(RDHUP) | M(MSG); +#undef M +} +#undef __MAP + + #endif /* _LINUX_POLL_H */ |