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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/timer_getoverr.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/timer_getoverr.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c b/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c
new file mode 100644
index 0000000000..40b485f560
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/timer_getoverr.c
@@ -0,0 +1,80 @@
+/* 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 <errno.h>
+#include <time.h>
+#include <sysdep.h>
+#include <kernel-features.h>
+#include "kernel-posix-timers.h"
+
+
+#ifdef __NR_timer_getoverrun
+# ifndef __ASSUME_POSIX_TIMERS
+#  define timer_getoverrun static compat_timer_getoverrun
+#  include <nptl/sysdeps/pthread/timer_getoverrun.c>
+#  undef timer_getoverrun
+# endif
+
+# ifdef timer_getoverrun_alias
+#  define timer_getoverrun timer_getoverrun_alias
+# endif
+
+
+int
+timer_getoverrun (timerid)
+     timer_t timerid;
+{
+# undef timer_getoverrun
+# ifndef __ASSUME_POSIX_TIMERS
+  if (__no_posix_timers == 0)
+# endif
+    {
+      struct timer *kt = (struct timer *) timerid;
+
+      /* Get the information from the kernel.  */
+      int res = INLINE_SYSCALL (timer_getoverrun, 1, kt->ktimerid);
+
+# ifndef __ASSUME_POSIX_TIMERS
+      if (res != -1 || errno != ENOSYS)
+	{
+	  /* We know the syscall support is available.  */
+	  __no_posix_timers = 1;
+# endif
+	  return res;
+# ifndef __ASSUME_POSIX_TIMERS
+	}
+# endif
+
+# ifndef __ASSUME_POSIX_TIMERS
+      __no_posix_timers = -1;
+# endif
+    }
+
+# ifndef __ASSUME_POSIX_TIMERS
+  return compat_timer_getoverrun (timerid);
+# endif
+}
+#else
+# ifdef timer_getoverrun_alias
+#  define timer_getoverrun timer_getoverrun_alias
+# endif
+/* The new system calls are not available.  Use the userlevel
+   implementation.  */
+# include <nptl/sysdeps/pthread/timer_getoverr.c>
+#endif