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authorJoel Sherrill <joel.sherrill@OARcorp.com>1995-05-11 17:39:37 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1995-05-11 17:39:37 +0000
commitac7d5ef06a6d6e8d84abbd1f0b82162725f98326 (patch)
tree9304cf759a73f2a1c6fd3191948f00e870af3787 /cpukit/libcsupport/src/__times.c
downloadrtems-ac7d5ef06a6d6e8d84abbd1f0b82162725f98326.tar.bz2
Initial revision
Diffstat (limited to 'cpukit/libcsupport/src/__times.c')
-rw-r--r--cpukit/libcsupport/src/__times.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/__times.c b/cpukit/libcsupport/src/__times.c
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+++ b/cpukit/libcsupport/src/__times.c
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+/*
+ * RTEMS _times Implementation
+ *
+ *
+ * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
+ * On-Line Applications Research Corporation (OAR).
+ * All rights assigned to U.S. Government, 1994.
+ *
+ * This material may be reproduced by or for the U.S. Government pursuant
+ * to the copyright license under the clause at DFARS 252.227-7013. This
+ * notice must appear in all copies of this file and its derivatives.
+ *
+ * $Id$
+ */
+
+#include <rtems.h>
+
+#include <sys/times.h>
+#include <time.h>
+#include <sys/time.h>
+#include <errno.h>
+#include <assert.h>
+
+clock_t _times(
+ struct tms *ptms
+)
+{
+ rtems_status_code status;
+ rtems_interval ticks_since_boot;
+
+ if ( !ptms ) {
+ errno = EFAULT;
+ return -1;
+ }
+
+ /* "POSIX" does not seem to allow for not having a TOD */
+ status = rtems_clock_get(
+ RTEMS_CLOCK_GET_TICKS_SINCE_BOOT,
+ &ticks_since_boot
+ );
+ if ( status != RTEMS_SUCCESSFUL ) {
+ assert( 0 );
+ return -1;
+ }
+
+ /*
+ * RTEMS has no notion of system versus user time and does
+ * not (as of 3.2.0) keep track of CPU usage on a per task basis.
+ */
+
+ ptms->tms_utime = ticks_since_boot;
+ ptms->tms_stime = 0;
+ ptms->tms_cutime = 0;
+ ptms->tms_cstime = 0;
+
+ return 0;
+}
+
+clock_t times(
+ struct tms *ptms
+)
+{
+ return _times( ptms );
+}
+