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-rw-r--r--linuxthreads/sysdeps/pthread/timer_gettime.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/pthread/timer_gettime.c b/linuxthreads/sysdeps/pthread/timer_gettime.c
new file mode 100644
index 0000000000..2db89a06eb
--- /dev/null
+++ b/linuxthreads/sysdeps/pthread/timer_gettime.c
@@ -0,0 +1,64 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library 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 <pthread.h>
+#include <time.h>
+
+#include "posix-timer.h"
+
+
+/* Get current value of timer TIMERID and store it in VLAUE.  */
+int
+timer_gettime (timerid, value)
+     timer_t timerid;
+     struct itimerspec *value;
+{
+  struct timer_node *timer;
+  struct timespec now;
+  int retval = -1;
+
+  pthread_mutex_lock (&__timer_mutex);
+
+  timer = timer_id2ptr (timerid);
+  if (timer == NULL)
+    /* Invalid timer ID or the timer is not in use.  */
+    errno = EINVAL;
+  else
+    {
+      value->it_interval = timer->value.it_interval;
+
+      if (timer->armed)
+	{
+	  clock_gettime (timer->clock, &now);
+	  timespec_sub (&value->it_value, &timer->expirytime, &now);
+	}
+      else
+	{
+	  value->it_value.tv_sec = 0;
+	  value->it_value.tv_nsec = 0;
+	}
+
+      retval = 0;
+    }
+
+  pthread_mutex_lock (&__timer_mutex);
+
+  return retval;
+}