percpu, module: implement and use is_kernel/module_percpu_address()

[safe/jmp/linux-2.6] / include / linux / eventfd.h

diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
index 3b85ba6..91bb4f2 100644 (file)
--- a/include/linux/eventfd.h
+++ b/include/linux/eventfd.h
@@ -10,6 +10,7 @@
 
 #include <linux/fcntl.h>
 #include <linux/file.h>
+#include <linux/wait.h>
 
 /*
  * CAREFUL: Check include/asm-generic/fcntl.h when defining
@@ -27,12 +28,16 @@
 
 #ifdef CONFIG_EVENTFD
 
+struct file *eventfd_file_create(unsigned int count, int flags);
 struct eventfd_ctx *eventfd_ctx_get(struct eventfd_ctx *ctx);
 void eventfd_ctx_put(struct eventfd_ctx *ctx);
 struct file *eventfd_fget(int fd);
 struct eventfd_ctx *eventfd_ctx_fdget(int fd);
 struct eventfd_ctx *eventfd_ctx_fileget(struct file *file);
 int eventfd_signal(struct eventfd_ctx *ctx, int n);
+ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait, __u64 *cnt);
+int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_t *wait,
+                                 __u64 *cnt);
 
 #else /* CONFIG_EVENTFD */
 
@@ -40,6 +45,11 @@ int eventfd_signal(struct eventfd_ctx *ctx, int n);
  * Ugly ugly ugly error layer to support modules that uses eventfd but
  * pretend to work in !CONFIG_EVENTFD configurations. Namely, AIO.
  */
+static inline struct file *eventfd_file_create(unsigned int count, int flags)
+{
+       return ERR_PTR(-ENOSYS);
+}
+
 static inline struct eventfd_ctx *eventfd_ctx_fdget(int fd)
 {
        return ERR_PTR(-ENOSYS);
@@ -55,6 +65,18 @@ static inline void eventfd_ctx_put(struct eventfd_ctx *ctx)
 
 }
 
+static inline ssize_t eventfd_ctx_read(struct eventfd_ctx *ctx, int no_wait,
+                                      __u64 *cnt)
+{
+       return -ENOSYS;
+}
+
+static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx,
+                                               wait_queue_t *wait, __u64 *cnt)
+{
+       return -ENOSYS;
+}
+
 #endif
 
 #endif /* _LINUX_EVENTFD_H */