Add sethostname(2).
Not very useful, but helps building stuff like toybox out of the box.
Change-Id: I110e39030452bd093a84278e019c5752d293718d
diff --git a/libc/arch-x86_64/syscalls/sethostname.S b/libc/arch-x86_64/syscalls/sethostname.S
new file mode 100644
index 0000000..4bcd12d
--- /dev/null
+++ b/libc/arch-x86_64/syscalls/sethostname.S
@@ -0,0 +1,15 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sethostname)
+ movl $__NR_sethostname, %eax
+ syscall
+ cmpq $-MAX_ERRNO, %rax
+ jb 1f
+ negl %eax
+ movl %eax, %edi
+ call __set_errno_internal
+1:
+ ret
+END(sethostname)