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authorGreg KH <gregkh@linuxfoundation.org>2017-03-08 19:03:03 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-03-14 09:47:33 +0800
commit6f051e4a685b768f3704c7c069aa1edee3010622 (patch)
treec2ae381b2b3709af02ecca1d2a7c952f56c2bb5d
parent4495c08e84729385774601b5146d51d9e5849f81 (diff)
eventpoll.h: fix epoll event masks
[resend due to me forgetting to cc: linux-api the first time around I posted these back on Feb 23] From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> When userspace tries to use these defines, it complains that it needs to be an unsigned 1 that is shifted, so libc implementations have to create their own version. Fix this by defining it properly so that libcs can just use the kernel uapi header. Reported-by: Elliott Hughes <enh@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/uapi/linux/eventpoll.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/include/uapi/linux/eventpoll.h b/include/uapi/linux/eventpoll.h
index 1c3154913a39..a7046c227e86 100644
--- a/include/uapi/linux/eventpoll.h
+++ b/include/uapi/linux/eventpoll.h
@@ -27,7 +27,7 @@
#define EPOLL_CTL_MOD 3
/* Set exclusive wakeup mode for the target file descriptor */
-#define EPOLLEXCLUSIVE (1 << 28)
+#define EPOLLEXCLUSIVE (1U << 28)
/*
* Request the handling of system wakeup events so as to prevent system suspends
@@ -39,13 +39,13 @@
*
* Requires CAP_BLOCK_SUSPEND
*/
-#define EPOLLWAKEUP (1 << 29)
+#define EPOLLWAKEUP (1U << 29)
/* Set the One Shot behaviour for the target file descriptor */
-#define EPOLLONESHOT (1 << 30)
+#define EPOLLONESHOT (1U << 30)
/* Set the Edge Triggered behaviour for the target file descriptor */
-#define EPOLLET (1 << 31)
+#define EPOLLET (1U << 31)
/*
* On x86-64 make the 64bit structure have the same alignment as the