diff --git a/libc/kernel/common/asm-generic/siginfo.h b/libc/kernel/common/asm-generic/siginfo.h
new file mode 100644
index 0000000..d6743a7
--- /dev/null
+++ b/libc/kernel/common/asm-generic/siginfo.h
@@ -0,0 +1,213 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _ASM_GENERIC_SIGINFO_H
+#define _ASM_GENERIC_SIGINFO_H
+
+#include <linux/compiler.h>
+#include <linux/types.h>
+
+typedef union sigval {
+ int sival_int;
+ void __user *sival_ptr;
+} sigval_t;
+
+#ifndef __ARCH_SI_PREAMBLE_SIZE
+#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
+#endif
+
+#define SI_MAX_SIZE 128
+#ifndef SI_PAD_SIZE
+#define SI_PAD_SIZE ((SI_MAX_SIZE - __ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
+#endif
+
+#ifndef __ARCH_SI_UID_T
+#define __ARCH_SI_UID_T uid_t
+#endif
+
+#ifndef __ARCH_SI_BAND_T
+#define __ARCH_SI_BAND_T long
+#endif
+
+#ifndef HAVE_ARCH_SIGINFO_T
+
+typedef struct siginfo {
+ int si_signo;
+ int si_errno;
+ int si_code;
+
+ union {
+ int _pad[SI_PAD_SIZE];
+
+ struct {
+ pid_t _pid;
+ __ARCH_SI_UID_T _uid;
+ } _kill;
+
+ struct {
+ timer_t _tid;
+ int _overrun;
+ char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
+ sigval_t _sigval;
+ int _sys_private;
+ } _timer;
+
+ struct {
+ pid_t _pid;
+ __ARCH_SI_UID_T _uid;
+ sigval_t _sigval;
+ } _rt;
+
+ struct {
+ pid_t _pid;
+ __ARCH_SI_UID_T _uid;
+ int _status;
+ clock_t _utime;
+ clock_t _stime;
+ } _sigchld;
+
+ struct {
+ void __user *_addr;
+#ifdef __ARCH_SI_TRAPNO
+ int _trapno;
+#endif
+ } _sigfault;
+
+ struct {
+ __ARCH_SI_BAND_T _band;
+ int _fd;
+ } _sigpoll;
+ } _sifields;
+} siginfo_t;
+
+#endif
+
+#define si_pid _sifields._kill._pid
+#define si_uid _sifields._kill._uid
+#define si_tid _sifields._timer._tid
+#define si_overrun _sifields._timer._overrun
+#define si_sys_private _sifields._timer._sys_private
+#define si_status _sifields._sigchld._status
+#define si_utime _sifields._sigchld._utime
+#define si_stime _sifields._sigchld._stime
+#define si_value _sifields._rt._sigval
+#define si_int _sifields._rt._sigval.sival_int
+#define si_ptr _sifields._rt._sigval.sival_ptr
+#define si_addr _sifields._sigfault._addr
+#ifdef __ARCH_SI_TRAPNO
+#define si_trapno _sifields._sigfault._trapno
+#endif
+#define si_band _sifields._sigpoll._band
+#define si_fd _sifields._sigpoll._fd
+
+#define __SI_KILL 0
+#define __SI_TIMER 0
+#define __SI_POLL 0
+#define __SI_FAULT 0
+#define __SI_CHLD 0
+#define __SI_RT 0
+#define __SI_MESGQ 0
+#define __SI_CODE(T,N) (N)
+
+#define SI_USER 0  
+#define SI_KERNEL 0x80  
+#define SI_QUEUE -1  
+#define SI_TIMER __SI_CODE(__SI_TIMER,-2)  
+#define SI_MESGQ __SI_CODE(__SI_MESGQ,-3)  
+#define SI_ASYNCIO -4  
+#define SI_SIGIO -5  
+#define SI_TKILL -6  
+#define SI_DETHREAD -7  
+
+#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
+#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
+
+#define ILL_ILLOPC (__SI_FAULT|1)  
+#define ILL_ILLOPN (__SI_FAULT|2)  
+#define ILL_ILLADR (__SI_FAULT|3)  
+#define ILL_ILLTRP (__SI_FAULT|4)  
+#define ILL_PRVOPC (__SI_FAULT|5)  
+#define ILL_PRVREG (__SI_FAULT|6)  
+#define ILL_COPROC (__SI_FAULT|7)  
+#define ILL_BADSTK (__SI_FAULT|8)  
+#define NSIGILL 8
+
+#define FPE_INTDIV (__SI_FAULT|1)  
+#define FPE_INTOVF (__SI_FAULT|2)  
+#define FPE_FLTDIV (__SI_FAULT|3)  
+#define FPE_FLTOVF (__SI_FAULT|4)  
+#define FPE_FLTUND (__SI_FAULT|5)  
+#define FPE_FLTRES (__SI_FAULT|6)  
+#define FPE_FLTINV (__SI_FAULT|7)  
+#define FPE_FLTSUB (__SI_FAULT|8)  
+#define NSIGFPE 8
+
+#define SEGV_MAPERR (__SI_FAULT|1)  
+#define SEGV_ACCERR (__SI_FAULT|2)  
+#define NSIGSEGV 2
+
+#define BUS_ADRALN (__SI_FAULT|1)  
+#define BUS_ADRERR (__SI_FAULT|2)  
+#define BUS_OBJERR (__SI_FAULT|3)  
+#define NSIGBUS 3
+
+#define TRAP_BRKPT (__SI_FAULT|1)  
+#define TRAP_TRACE (__SI_FAULT|2)  
+#define NSIGTRAP 2
+
+#define CLD_EXITED (__SI_CHLD|1)  
+#define CLD_KILLED (__SI_CHLD|2)  
+#define CLD_DUMPED (__SI_CHLD|3)  
+#define CLD_TRAPPED (__SI_CHLD|4)  
+#define CLD_STOPPED (__SI_CHLD|5)  
+#define CLD_CONTINUED (__SI_CHLD|6)  
+#define NSIGCHLD 6
+
+#define POLL_IN (__SI_POLL|1)  
+#define POLL_OUT (__SI_POLL|2)  
+#define POLL_MSG (__SI_POLL|3)  
+#define POLL_ERR (__SI_POLL|4)  
+#define POLL_PRI (__SI_POLL|5)  
+#define POLL_HUP (__SI_POLL|6)  
+#define NSIGPOLL 6
+
+#define SIGEV_SIGNAL 0  
+#define SIGEV_NONE 1  
+#define SIGEV_THREAD 2  
+#define SIGEV_THREAD_ID 4  
+
+#ifndef __ARCH_SIGEV_PREAMBLE_SIZE
+#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(int) * 2 + sizeof(sigval_t))
+#endif
+
+#define SIGEV_MAX_SIZE 64
+#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE - __ARCH_SIGEV_PREAMBLE_SIZE)   / sizeof(int))
+
+typedef struct sigevent {
+ sigval_t sigev_value;
+ int sigev_signo;
+ int sigev_notify;
+ union {
+ int _pad[SIGEV_PAD_SIZE];
+ int _tid;
+
+ struct {
+ void (*_function)(sigval_t);
+ void *_attribute;
+ } _sigev_thread;
+ } _sigev_un;
+} sigevent_t;
+
+#define sigev_notify_function _sigev_un._sigev_thread._function
+#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
+#define sigev_notify_thread_id _sigev_un._tid
+
+#endif