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-rw-r--r--sysdeps/unix/sysv/linux/bits/posix_opt.h3
-rw-r--r--sysdeps/unix/sysv/linux/bits/siginfo.h4
-rw-r--r--sysdeps/unix/sysv/linux/bits/time.h14
3 files changed, 20 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/posix_opt.h b/sysdeps/unix/sysv/linux/bits/posix_opt.h
index 2a53420578..7641d497d1 100644
--- a/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -81,4 +81,7 @@
 #define _LFS64_LARGEFILE	1
 #define _LFS64_STDIO		1
 
+/* POSIX timers are available.  */
+#define _POSIX_TIMERS	1
+
 #endif /* bits/posix_opt.h */
diff --git a/sysdeps/unix/sysv/linux/bits/siginfo.h b/sysdeps/unix/sysv/linux/bits/siginfo.h
index 66e6261999..c8682f45e7 100644
--- a/sysdeps/unix/sysv/linux/bits/siginfo.h
+++ b/sysdeps/unix/sysv/linux/bits/siginfo.h
@@ -1,5 +1,5 @@
 /* siginfo_t, sigevent and constants.  Linux version.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -97,6 +97,8 @@ typedef struct siginfo
 /* X/Open requires some more fields with fixed names.  */
 # define si_pid		_sifields._kill.si_pid
 # define si_uid		_sifields._kill.si_uid
+# define si_timer1	_sifields._timer._timer1
+# define si_timer2	_sifields._timer._timer2
 # define si_status	_sifields._sigchld.si_status
 # define si_utime	_sifields._sigchld.si_utime
 # define si_stime	_sifields._sigchld.si_stime
diff --git a/sysdeps/unix/sysv/linux/bits/time.h b/sysdeps/unix/sysv/linux/bits/time.h
index 4b7ef52b7a..d827193146 100644
--- a/sysdeps/unix/sysv/linux/bits/time.h
+++ b/sysdeps/unix/sysv/linux/bits/time.h
@@ -39,6 +39,20 @@
 #   define CLK_TCK 100
 #  endif
 
+/* Clock ID used in clock and timer functions.  */
+typedef int __clockid_t;
+
+/* Timer ID returned by `timer_create'.  */
+typedef int __timer_t;
+
+#  ifdef __USE_POSIX199309
+/* Identifier for system-wide realtime clock.  */
+#   define CLOCK_REALTIME	0
+
+/* Flag to indicate time is absolute.  */
+#   define TIMER_ABSTIME	1
+#  endif
+
 # endif	/* bits/time.h */
 #endif