diff options
Diffstat (limited to 'include/linux/eventfd.h')
| -rw-r--r-- | include/linux/eventfd.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index dc4fd8a6644d..30eb30d6909b 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -14,6 +14,7 @@ #include <linux/err.h> #include <linux/percpu-defs.h> #include <linux/percpu.h> +#include <linux/sched.h> /* * CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining @@ -41,12 +42,11 @@ struct eventfd_ctx *eventfd_ctx_fileget(struct file *file); __u64 eventfd_signal(struct eventfd_ctx *ctx, __u64 n); int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *wait, __u64 *cnt); +void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt); -DECLARE_PER_CPU(int, eventfd_wake_count); - -static inline bool eventfd_signal_count(void) +static inline bool eventfd_signal_allowed(void) { - return this_cpu_read(eventfd_wake_count); + return !current->in_eventfd; } #else /* CONFIG_EVENTFD */ @@ -77,9 +77,14 @@ static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, return -ENOSYS; } -static inline bool eventfd_signal_count(void) +static inline bool eventfd_signal_allowed(void) { - return false; + return true; +} + +static inline void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt) +{ + } #endif |