signal/timer/event: signalfd core

[linux-2.6-omap-h63xx.git] / init / Kconfig

diff --git a/init/Kconfig b/init/Kconfig
index e63a017c391eb23b11ae5769f19cabf5cfb7dae8..db707204b75158f12f6fd58dc42af80b7c8427f6 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -475,13 +475,33 @@ config FUTEX
          support for "fast userspace mutexes".  The resulting kernel may not
          run glibc-based applications correctly.
 
          support for "fast userspace mutexes".  The resulting kernel may not
          run glibc-based applications correctly.
 

+config ANON_INODES
+       bool "Enable anonymous inode source" if EMBEDDED
+       default y
+       help
+         Anonymous inode source for pseudo-files like epoll, signalfd,
+         timerfd and eventfd.
+
+         If unsure, say Y.
+

 config EPOLL
        bool "Enable eventpoll support" if EMBEDDED
        default y
 config EPOLL
        bool "Enable eventpoll support" if EMBEDDED
        default y

+       depends on ANON_INODES

        help
          Disabling this option will cause the kernel to be built without
          support for epoll family of system calls.
 
        help
          Disabling this option will cause the kernel to be built without
          support for epoll family of system calls.
 

+config SIGNALFD
+       bool "Enable signalfd() system call" if EMBEDDED
+       depends on ANON_INODES
+       default y
+       help
+         Enable the signalfd() system call that allows to receive signals
+         on a file descriptor.
+
+         If unsure, say Y.
+

 config SHMEM
        bool "Use full shmem filesystem" if EMBEDDED
        default y
 config SHMEM
        bool "Use full shmem filesystem" if EMBEDDED
        default y


@@ -505,6 +525,7 @@ config VM_EVENT_COUNTERS
 config SLUB_DEBUG
        default y
        bool "Enable SLUB debugging support" if EMBEDDED
 config SLUB_DEBUG
        default y
        bool "Enable SLUB debugging support" if EMBEDDED

+       depends on SLUB

        help
          SLUB has extensive debug support features. Disabling these can
          result in significant savings in code size. This also disables
        help
          SLUB has extensive debug support features. Disabling these can
          result in significant savings in code size. This also disables