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authorSteve Grubb <sgrubb@redhat.com>2022-03-11 09:40:41 -0500
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2022-03-14 20:02:43 +0530
commit0c03669626f1a24e66ce0e350fd020533b0b926d (patch)
treed112a67155ac360c66aa513aded74c00f5c6e701 /sysdeps/unix/sysv
parenta35b8b225da4d3cf4bd81af3808f2ec50db003ce (diff)
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Add access function attributes to epoll_wait
This patch adds write access function attributes to the epoll_wait family of
functions

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'sysdeps/unix/sysv')
-rw-r--r--sysdeps/unix/sysv/linux/sys/epoll.h12
1 files changed, 8 insertions, 4 deletions
diff --git a/sysdeps/unix/sysv/linux/sys/epoll.h b/sysdeps/unix/sysv/linux/sys/epoll.h
index b95ca68749..aa90441e91 100644
--- a/sysdeps/unix/sysv/linux/sys/epoll.h
+++ b/sysdeps/unix/sysv/linux/sys/epoll.h
@@ -122,7 +122,8 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
    This function is a cancellation point and therefore not marked with
    __THROW.  */
 extern int epoll_wait (int __epfd, struct epoll_event *__events,
-		       int __maxevents, int __timeout);
+		       int __maxevents, int __timeout)
+	__attr_access ((__write_only__, 2, 3));
 
 
 /* Same as epoll_wait, but the thread's signal mask is temporarily
@@ -132,7 +133,8 @@ extern int epoll_wait (int __epfd, struct epoll_event *__events,
    __THROW.  */
 extern int epoll_pwait (int __epfd, struct epoll_event *__events,
 			int __maxevents, int __timeout,
-			const __sigset_t *__ss);
+			const __sigset_t *__ss)
+	__attr_access ((__write_only__, 2, 3));
 
 /* Same as epoll_pwait, but the timeout as a timespec.
 
@@ -141,14 +143,16 @@ extern int epoll_pwait (int __epfd, struct epoll_event *__events,
 #ifndef __USE_TIME_BITS64
 extern int epoll_pwait2 (int __epfd, struct epoll_event *__events,
 			 int __maxevents, const struct timespec *__timeout,
-			 const __sigset_t *__ss);
+			 const __sigset_t *__ss)
+	__attr_access ((__write_only__, 2, 3));
 #else
 # ifdef __REDIRECT
 extern int __REDIRECT (epoll_pwait2, (int __epfd, struct epoll_event *__ev,
 				      int __maxevs,
 				      const struct timespec *__timeout,
 				      const __sigset_t *__ss),
-		       __epoll_pwait2_time64);
+		       __epoll_pwait2_time64)
+	__attr_access ((__write_only__, 2, 3));
 # else
 #  define epoll_pwait2 __epoll_pwait2_time64
 # endif