Add eventfd system call support
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 11407b9..b5a3bbe 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -262,3 +262,5 @@
 # ARM-specific ARM_NR_BASE == 0x0f0000 == 983040
 int     __set_tls:ARM_set_tls(void*)                                 983045,-1
 int     cacheflush:ARM_cacheflush(long start, long end, long flags)  983042,-1
+
+int     eventfd(int count, int flags) 351,323