1 files changed, 66 insertions, 0 deletions
diff --git a/libc/nptl/sysdeps/unix/sysv/linux/x86_64/timer_create.c b/libc/nptl/sysdeps/unix/sysv/linux/x86_64/timer_create.c
new file mode 100644
index 000000000..1849f72a4
--- /dev/null
+++ b/libc/nptl/sysdeps/unix/sysv/linux/x86_64/timer_create.c
@@ -0,0 +1,66 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <shlib-compat.h>
+#include "compat-timer.h"
+#include <atomic.h>
+
+
+#define timer_create_alias __timer_create_new
+#include "../timer_create.c"
+
+#undef timer_create
+versioned_symbol (librt, __timer_create_new, timer_create, GLIBC_2_3_3);
+
+
+#if SHLIB_COMPAT (librt, GLIBC_2_2, GLIBC_2_3_3)
+timer_t __compat_timer_list[OLD_TIMER_MAX] attribute_hidden;
+
+
+int
+__timer_create_old (clockid_t clock_id, struct sigevent *evp, int *timerid)
+{
+  timer_t newp;
+
+  int res = __timer_create_new (clock_id, evp, &newp);
+  if (res == 0)
+    {
+      int i;
+      for (i = 0; i < OLD_TIMER_MAX; ++i)
+	if (__compat_timer_list[i] == NULL
+	    && ! atomic_compare_and_exchange_bool_acq (&__compat_timer_list[i],
+						       newp, NULL))
+	  {
+	    *timerid = i;
+	    break;
+	  }
+
+      if (__builtin_expect (i == OLD_TIMER_MAX, 0))
+	{
+	  /* No free slot.  */
+	  (void) __timer_delete_new (newp);
+	  __set_errno (EINVAL);
+	  res = -1;
+	}
+    }
+
+  return res;
+}
+compat_symbol (librt, __timer_create_old, timer_create, GLIBC_2_2);
+#endif