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-rw-r--r--cpukit/posix/src/timergetoverrun.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/cpukit/posix/src/timergetoverrun.c b/cpukit/posix/src/timergetoverrun.c
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+++ b/cpukit/posix/src/timergetoverrun.c
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+/*
+ * 14.2.4 Per-Process Timers, P1003.1b-1993, p. 267
+ *
+ * COPYRIGHT (c) 1989-2007.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <time.h>
+#include <errno.h>
+
+#include <rtems/system.h>
+#include <rtems/seterr.h>
+#include <rtems/score/thread.h>
+#include <rtems/posix/timer.h>
+
+/*
+ * timer_getoverrun
+ *
+ * The expiration of a timer must increase by one a counter.
+ * After the signal handler associated to the timer finishes
+ * its execution, _POSIX_Timer_TSR will have to set this counter to 0.
+ */
+int timer_getoverrun(
+ timer_t timerid
+)
+{
+ int overrun;
+ POSIX_Timer_Control *ptimer;
+ Objects_Locations location;
+
+ ptimer = _POSIX_Timer_Get( timerid, &location );
+ switch ( location ) {
+
+ case OBJECTS_LOCAL:
+ overrun = ptimer->overrun;
+ ptimer->overrun = 0;
+ _Thread_Enable_dispatch();
+ return overrun;
+
+#if defined(RTEMS_MULTIPROCESSING)
+ case OBJECTS_REMOTE:
+#endif
+ case OBJECTS_ERROR:
+ break;
+ }
+
+ rtems_set_errno_and_return_minus_one( EINVAL );
+}