diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 96cc9e6..ac04e51 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -221,6 +221,9 @@
 int           __timer_delete:timer_delete(timer_t)                                                      1
 int           utimes(const char*, const struct timeval tvp[2])                          1
 int           utimensat(int, const char *, const struct timespec times[2], int)         1
+int           timerfd_create(clockid_t, int)   1
+int           timerfd_settime(int, int, const struct itimerspec *, struct itimerspec *)   1
+int           timerfd_gettime(int, struct itimerspec *)   1
 
 # signals
 int     sigaction(int, const struct sigaction *, struct sigaction *)  1
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 9eb5136..3c8f204 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -144,6 +144,9 @@
 syscall_src += arch-arm/syscalls/__timer_delete.S
 syscall_src += arch-arm/syscalls/utimes.S
 syscall_src += arch-arm/syscalls/utimensat.S
+syscall_src += arch-arm/syscalls/timerfd_create.S
+syscall_src += arch-arm/syscalls/timerfd_settime.S
+syscall_src += arch-arm/syscalls/timerfd_gettime.S
 syscall_src += arch-arm/syscalls/sigaction.S
 syscall_src += arch-arm/syscalls/sigprocmask.S
 syscall_src += arch-arm/syscalls/__sigsuspend.S
diff --git a/libc/arch-arm/syscalls/timerfd_create.S b/libc/arch-arm/syscalls/timerfd_create.S
new file mode 100644
index 0000000..7e3f16f
--- /dev/null
+++ b/libc/arch-arm/syscalls/timerfd_create.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(timerfd_create)
+    mov     ip, r7
+    ldr     r7, =__NR_timerfd_create
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(timerfd_create)
diff --git a/libc/arch-arm/syscalls/timerfd_gettime.S b/libc/arch-arm/syscalls/timerfd_gettime.S
new file mode 100644
index 0000000..2c3e2cf
--- /dev/null
+++ b/libc/arch-arm/syscalls/timerfd_gettime.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(timerfd_gettime)
+    mov     ip, r7
+    ldr     r7, =__NR_timerfd_gettime
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(timerfd_gettime)
diff --git a/libc/arch-arm/syscalls/timerfd_settime.S b/libc/arch-arm/syscalls/timerfd_settime.S
new file mode 100644
index 0000000..f7f0cf0
--- /dev/null
+++ b/libc/arch-arm/syscalls/timerfd_settime.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(timerfd_settime)
+    mov     ip, r7
+    ldr     r7, =__NR_timerfd_settime
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(timerfd_settime)
diff --git a/libc/arch-mips/syscalls.mk b/libc/arch-mips/syscalls.mk
index 0b8eccd..d3096bc 100644
--- a/libc/arch-mips/syscalls.mk
+++ b/libc/arch-mips/syscalls.mk
@@ -147,6 +147,9 @@
 syscall_src += arch-mips/syscalls/__timer_delete.S
 syscall_src += arch-mips/syscalls/utimes.S
 syscall_src += arch-mips/syscalls/utimensat.S
+syscall_src += arch-mips/syscalls/timerfd_create.S
+syscall_src += arch-mips/syscalls/timerfd_settime.S
+syscall_src += arch-mips/syscalls/timerfd_gettime.S
 syscall_src += arch-mips/syscalls/sigaction.S
 syscall_src += arch-mips/syscalls/sigprocmask.S
 syscall_src += arch-mips/syscalls/__sigsuspend.S
diff --git a/libc/arch-mips/syscalls/timerfd_create.S b/libc/arch-mips/syscalls/timerfd_create.S
new file mode 100644
index 0000000..b5ac003
--- /dev/null
+++ b/libc/arch-mips/syscalls/timerfd_create.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+    .text
+    .globl timerfd_create
+    .align 4
+    .ent timerfd_create
+
+timerfd_create:
+    .set noreorder
+    .cpload $t9
+    li $v0, __NR_timerfd_create
+    syscall
+    bnez $a3, 1f
+    move $a0, $v0
+    j $ra
+    nop
+1:
+    la $t9,__set_errno
+    j $t9
+    nop
+    .set reorder
+    .end timerfd_create
diff --git a/libc/arch-mips/syscalls/timerfd_gettime.S b/libc/arch-mips/syscalls/timerfd_gettime.S
new file mode 100644
index 0000000..b1c21ff
--- /dev/null
+++ b/libc/arch-mips/syscalls/timerfd_gettime.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+    .text
+    .globl timerfd_gettime
+    .align 4
+    .ent timerfd_gettime
+
+timerfd_gettime:
+    .set noreorder
+    .cpload $t9
+    li $v0, __NR_timerfd_gettime
+    syscall
+    bnez $a3, 1f
+    move $a0, $v0
+    j $ra
+    nop
+1:
+    la $t9,__set_errno
+    j $t9
+    nop
+    .set reorder
+    .end timerfd_gettime
diff --git a/libc/arch-mips/syscalls/timerfd_settime.S b/libc/arch-mips/syscalls/timerfd_settime.S
new file mode 100644
index 0000000..f68819d
--- /dev/null
+++ b/libc/arch-mips/syscalls/timerfd_settime.S
@@ -0,0 +1,22 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+    .text
+    .globl timerfd_settime
+    .align 4
+    .ent timerfd_settime
+
+timerfd_settime:
+    .set noreorder
+    .cpload $t9
+    li $v0, __NR_timerfd_settime
+    syscall
+    bnez $a3, 1f
+    move $a0, $v0
+    j $ra
+    nop
+1:
+    la $t9,__set_errno
+    j $t9
+    nop
+    .set reorder
+    .end timerfd_settime
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index b4ad564..31eb930 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -148,6 +148,9 @@
 syscall_src += arch-x86/syscalls/__timer_delete.S
 syscall_src += arch-x86/syscalls/utimes.S
 syscall_src += arch-x86/syscalls/utimensat.S
+syscall_src += arch-x86/syscalls/timerfd_create.S
+syscall_src += arch-x86/syscalls/timerfd_settime.S
+syscall_src += arch-x86/syscalls/timerfd_gettime.S
 syscall_src += arch-x86/syscalls/sigaction.S
 syscall_src += arch-x86/syscalls/sigprocmask.S
 syscall_src += arch-x86/syscalls/__sigsuspend.S
diff --git a/libc/arch-x86/syscalls/timerfd_create.S b/libc/arch-x86/syscalls/timerfd_create.S
new file mode 100644
index 0000000..801f8a7
--- /dev/null
+++ b/libc/arch-x86/syscalls/timerfd_create.S
@@ -0,0 +1,24 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(timerfd_create)
+    pushl   %ebx
+    pushl   %ecx
+    mov     12(%esp), %ebx
+    mov     16(%esp), %ecx
+    movl    $__NR_timerfd_create, %eax
+    int     $0x80
+    cmpl    $-MAX_ERRNO, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %ecx
+    popl    %ebx
+    ret
+END(timerfd_create)
diff --git a/libc/arch-x86/syscalls/timerfd_gettime.S b/libc/arch-x86/syscalls/timerfd_gettime.S
new file mode 100644
index 0000000..fde17be
--- /dev/null
+++ b/libc/arch-x86/syscalls/timerfd_gettime.S
@@ -0,0 +1,24 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(timerfd_gettime)
+    pushl   %ebx
+    pushl   %ecx
+    mov     12(%esp), %ebx
+    mov     16(%esp), %ecx
+    movl    $__NR_timerfd_gettime, %eax
+    int     $0x80
+    cmpl    $-MAX_ERRNO, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %ecx
+    popl    %ebx
+    ret
+END(timerfd_gettime)
diff --git a/libc/arch-x86/syscalls/timerfd_settime.S b/libc/arch-x86/syscalls/timerfd_settime.S
new file mode 100644
index 0000000..5a5f3e4
--- /dev/null
+++ b/libc/arch-x86/syscalls/timerfd_settime.S
@@ -0,0 +1,30 @@
+/* autogenerated by gensyscalls.py */
+#include <linux/err.h>
+#include <machine/asm.h>
+#include <asm/unistd.h>
+
+ENTRY(timerfd_settime)
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    mov     20(%esp), %ebx
+    mov     24(%esp), %ecx
+    mov     28(%esp), %edx
+    mov     32(%esp), %esi
+    movl    $__NR_timerfd_settime, %eax
+    int     $0x80
+    cmpl    $-MAX_ERRNO, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
+END(timerfd_settime)
diff --git a/libc/include/sys/timerfd.h b/libc/include/sys/timerfd.h
new file mode 100644
index 0000000..0651f1c
--- /dev/null
+++ b/libc/include/sys/timerfd.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SYS_TIMERFD_H_
+#define _SYS_TIMERFD_H_
+
+#include <time.h>
+#include <sys/types.h>
+#include <linux/timerfd.h>
+
+__BEGIN_DECLS
+
+extern int timerfd_create(clockid_t, int);
+extern int timerfd_settime(int, int, const struct itimerspec*,
+                           struct itimerspec*);
+extern int timerfd_gettime(int, struct itimerspec*);
+
+__END_DECLS
+
+#endif /* _SYS_TIMERFD_H */
diff --git a/libc/kernel/common/linux/timerfd.h b/libc/kernel/common/linux/timerfd.h
new file mode 100644
index 0000000..0165ebb
--- /dev/null
+++ b/libc/kernel/common/linux/timerfd.h
@@ -0,0 +1,31 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_TIMERFD_H
+#define _LINUX_TIMERFD_H
+#include <linux/fcntl.h>
+#define TFD_TIMER_ABSTIME (1 << 0)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TFD_TIMER_CANCEL_ON_SET (1 << 1)
+#define TFD_CLOEXEC O_CLOEXEC
+#define TFD_NONBLOCK O_NONBLOCK
+#define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS
+#define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET)
+#endif