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-rw-r--r--cpukit/posix/src/clockgettime.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/cpukit/posix/src/clockgettime.c b/cpukit/posix/src/clockgettime.c
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+++ b/cpukit/posix/src/clockgettime.c
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+/*
+ * 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/score/isr.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/tod.h>
+
+#include <rtems/seterr.h>
+
+/*PAGE
+ *
+ * 14.2.1 Clocks, P1003.1b-1993, p. 263
+ */
+
+int clock_gettime(
+ clockid_t clock_id,
+ struct timespec *tp
+)
+{
+ if ( !tp )
+ rtems_set_errno_and_return_minus_one( EINVAL );
+
+ if ( clock_id == CLOCK_REALTIME ) {
+ _TOD_Get(tp);
+ return 0;
+ }
+#ifdef CLOCK_MONOTONIC
+ if ( clock_id == CLOCK_MONOTONIC ) {
+ _TOD_Get_uptime_as_timespec( tp );
+ return 0;
+ }
+#endif
+
+#ifdef _POSIX_CPUTIME
+ if ( clock_id == CLOCK_PROCESS_CPUTIME ) {
+ _TOD_Get_uptime_as_timespec( tp );
+ return 0;
+ }
+#endif
+
+#ifdef _POSIX_THREAD_CPUTIME
+ if ( clock_id == CLOCK_THREAD_CPUTIME )
+ rtems_set_errno_and_return_minus_one( ENOSYS );
+#endif
+
+ rtems_set_errno_and_return_minus_one( EINVAL );
+
+ return 0;
+}