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/clocksettime.c | 84 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 cpukit/posix/src/clocksettime.c

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

diff --git a/cpukit/posix/src/clocksettime.c b/cpukit/posix/src/clocksettime.c
new file mode 100644
index 0000000000..8157bdfda5
--- /dev/null
+++ b/cpukit/posix/src/clocksettime.c
@@ -0,0 +1,84 @@
+/*
+ *  $Id$
+ */
+
+#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_settime(
+  clockid_t              clock_id,
+  const struct timespec *tp
+)
+{
+  struct tm         split_time;
+  TOD_Control       tod;
+  Watchdog_Interval seconds;
+
+  assert( tp );
+
+  switch ( clock_id ) {
+ 
+    case CLOCK_REALTIME:
+      (void) gmtime_r( &tp->tv_sec, &split_time );
+ 
+      /*
+       *  Convert the tm structure format to that used by the TOD Handler
+       *
+       *  NOTE: TOD Handler does not honor leap seconds.
+       */
+
+      tod.year   = split_time.tm_year + 1900;  /* RHS is years since 1900 */
+      tod.month  = split_time.tm_mon + 1;      /* RHS uses 0-11 */
+      tod.day    = split_time.tm_mday;
+      tod.hour   = split_time.tm_hour;
+      tod.minute = split_time.tm_min;
+      tod.second = split_time.tm_sec;  /* RHS allows 0-61 for leap seconds */
+
+      tod.ticks  = (tp->tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND) /
+                      _TOD_Microseconds_per_tick;
+
+      if ( !_TOD_Validate( &tod ) )
+        set_errno_and_return_minus_one( EINVAL );
+ 
+      /*
+       *  We can't use the tp->tv_sec field because it is based on 
+       *  a different EPOCH.
+       */
+
+      seconds = _TOD_To_seconds( &tod );
+      _Thread_Disable_dispatch();
+        _TOD_Set( &tod, seconds );
+      _Thread_Enable_dispatch();
+      break;
+ 
+#ifdef _POSIX_CPUTIME
+    case CLOCK_PROCESS_CPUTIME:
+      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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