From 9f95a19a57f0f85212c320327636e93d70bbecc8 Mon Sep 17 00:00:00 2001
From: Joel Sherrill <joel.sherrill@OARcorp.com>
Date: Tue, 2 Nov 1999 18:35:52 +0000
Subject: Split time.c into multiple files.

---
 cpukit/posix/src/clockgettime.c | 65 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 cpukit/posix/src/clockgettime.c

(limited to 'cpukit/posix/src/clockgettime.c')

diff --git a/cpukit/posix/src/clockgettime.c b/cpukit/posix/src/clockgettime.c
new file mode 100644
index 0000000000..806a29caa3
--- /dev/null
+++ b/cpukit/posix/src/clockgettime.c
@@ -0,0 +1,65 @@
+/*
+ *  $Id$
+ */
+
+#include <assert.h>
+#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/posix/seterr.h>
+#include <rtems/posix/time.h>
+
+/*PAGE
+ *
+ *  14.2.1 Clocks, P1003.1b-1993, p. 263
+ */
+
+int clock_gettime(
+  clockid_t        clock_id,
+  struct timespec *tp
+)
+{
+  ISR_Level      level;
+  time_t         seconds;
+  long           ticks;
+
+  if ( !tp )
+    set_errno_and_return_minus_one( EINVAL );
+
+  switch ( clock_id ) {
+
+    case CLOCK_REALTIME:
+ 
+      _ISR_Disable( level );
+        seconds = _TOD_Seconds_since_epoch;
+        ticks   = _TOD_Current.ticks;
+      _ISR_Enable( level );
+ 
+      tp->tv_sec  = seconds + POSIX_TIME_SECONDS_1970_THROUGH_1988;
+      tp->tv_nsec = ticks * _TOD_Microseconds_per_tick * 
+                      TOD_NANOSECONDS_PER_MICROSECOND; 
+      break;
+
+#ifdef _POSIX_CPUTIME
+    case CLOCK_PROCESS_CPUTIME:
+      /* don't base this on _Watchdog_Ticks_since_boot--duration is too short*/
+      return POSIX_NOT_IMPLEMENTED();
+      break;
+#endif
+
+#ifdef _POSIX_THREAD_CPUTIME
+    case CLOCK_THREAD_CPUTIME:
+      return POSIX_NOT_IMPLEMENTED();
+      break;
+#endif
+    default:
+      set_errno_and_return_minus_one( EINVAL );
+
+  }
+  return 0;
+}
-- 
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