1 files changed, 8 insertions, 46 deletions

diff --git a/sysdeps/unix/sysv/linux/kernel-posix-timers.h b/sysdeps/unix/sysv/linux/kernel-posix-timers.h
index 9d86bb1dab..cd6bf89acd 100644
--- a/sysdeps/unix/sysv/linux/kernel-posix-timers.h
+++ b/sysdeps/unix/sysv/linux/kernel-posix-timers.h
@@ -19,29 +19,7 @@
 #include <setjmp.h>
 #include <signal.h>
 #include <sys/types.h>
-
-
-/* Nonzero if the system calls are not available.  */
-extern int __no_posix_timers attribute_hidden;
-
-/* Callback to start helper thread.  */
-extern void __timer_start_helper_thread (void) attribute_hidden;
-
-/* Control variable for helper thread creation.  */
-extern pthread_once_t __timer_helper_once attribute_hidden;
-
-/* Called from fork so that the new subprocess re-creates the
-   notification thread if necessary.  */
-void __timer_fork_subprocess (void) attribute_hidden;
-
-/* TID of the helper thread.  */
-extern pid_t __timer_helper_tid attribute_hidden;
-
-/* List of active SIGEV_THREAD timers.  */
-extern struct timer *__timer_active_sigev_thread attribute_hidden;
-
-/* Lock for __timer_active_sigev_thread.  */
-extern pthread_mutex_t __timer_active_sigev_thread_lock attribute_hidden;
+#include <nptl/descr.h>
 
 extern __typeof (timer_create) __timer_create;
 libc_hidden_proto (__timer_create)
@@ -53,25 +31,9 @@ libc_hidden_proto (__timer_getoverrun)
 /* Type of timers in the kernel.  */
 typedef int kernel_timer_t;
 
-/* Internal representation of SIGEV_THREAD timer.  */
-struct timer
-{
-  kernel_timer_t ktimerid;
-
-  void (*thrfunc) (sigval_t);
-  sigval_t sival;
-  pthread_attr_t attr;
-
-  /* Next element in list of active SIGEV_THREAD timers.  */
-  struct timer *next;
-};
-
-
 /* For !SIGEV_THREAD, the resulting 'timer_t' is the returned kernel timer
-   identifier (kernel_timer_t), while for SIGEV_THREAD it uses the fact malloc
-   returns at least _Alignof (max_align_t) pointers plus that valid
-   kernel_timer_t are always positive to set the MSB bit of the returned
-   'timer_t' to indicate the timer handles a SIGEV_THREAD.  */
+   identifier (kernel_timer_t), while for SIGEV_THREAD it assumes the
+   pthread_t is always 8-byte aligned.  */
 
 static inline timer_t
 kernel_timer_to_timerid (kernel_timer_t ktimerid)
@@ -80,7 +42,7 @@ kernel_timer_to_timerid (kernel_timer_t ktimerid)
 }
 
 static inline timer_t
-timer_to_timerid (struct timer *ptr)
+pthread_to_timerid (pthread_t ptr)
 {
   return (timer_t) (INTPTR_MIN | (uintptr_t) ptr >> 1);
 }
@@ -91,17 +53,17 @@ timer_is_sigev_thread (timer_t timerid)
   return (intptr_t) timerid < 0;
 }
 
-static inline struct timer *
-timerid_to_timer (timer_t timerid)
+static inline struct pthread *
+timerid_to_pthread (timer_t timerid)
 {
-  return (struct timer *)((uintptr_t) timerid << 1);
+  return (struct pthread *)((uintptr_t) timerid << 1);
 }
 
 static inline kernel_timer_t
 timerid_to_kernel_timer (timer_t timerid)
 {
   if (timer_is_sigev_thread (timerid))
-    return timerid_to_timer (timerid)->ktimerid;
+    return timerid_to_pthread (timerid)->timerid;
   else
     return (kernel_timer_t) ((uintptr_t) timerid);
 }