diff --git a/libc-test/semver/linux-gnu.txt b/libc-test/semver/linux-gnu.txt
index 821443c6c385..ce4f85484eee 100644
--- a/libc-test/semver/linux-gnu.txt
+++ b/libc-test/semver/linux-gnu.txt
@@ -711,3 +711,4 @@ putpwent
 putgrent
 execveat
 close_range
+epoll_pwait2
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index 3c22d845f100..75d150c90d58 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -1542,6 +1542,14 @@ extern "C" {
     pub fn close_range(first: ::c_uint, last: ::c_uint, flags: ::c_int) -> ::c_int;
 
     pub fn mq_notify(mqdes: ::mqd_t, sevp: *const ::sigevent) -> ::c_int;
+
+    pub fn epoll_pwait2(
+        epfd: ::c_int,
+        events: *mut ::epoll_event,
+        maxevents: ::c_int,
+        timeout: *const ::timespec,
+        sigmask: *const ::sigset_t,
+    ) -> ::c_int;
 }
 
 cfg_if! {