Hide __signalfd4, used to implement signalfd(3).
Bug: 11156955
Change-Id: I50842279cb5b32ec8bd45193435574e415cd806e
diff --git a/libc/arch-arm64/syscalls/__signalfd4.S b/libc/arch-arm64/syscalls/__signalfd4.S
new file mode 100644
index 0000000..91510f6
--- /dev/null
+++ b/libc/arch-arm64/syscalls/__signalfd4.S
@@ -0,0 +1,22 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(__signalfd4)
+ stp x29, x30, [sp, #-16]!
+ mov x29, sp
+ str x8, [sp, #-16]!
+
+ mov x8, __NR_signalfd4
+ svc #0
+
+ ldr x8, [sp], #16
+ ldp x29, x30, [sp], #16
+
+ cmn x0, #(MAX_ERRNO + 1)
+ cneg x0, x0, hi
+ b.hi __set_errno
+
+ ret
+END(__signalfd4)
+.hidden __signalfd4