2.5-18.1

1 files changed, 65 insertions, 0 deletions

diff --git a/resource/vtimes.c b/resource/vtimes.c
new file mode 100644
index 0000000000..37dc01b2fb
--- /dev/null
+++ b/resource/vtimes.c
@@ -0,0 +1,65 @@
+/* Copyright (C) 1991, 1997, 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stddef.h>
+#include <sys/vtimes.h>
+#include <sys/resource.h>
+
+/* Return the number of 1/VTIMES_UNITS_PER_SECOND-second
+   units in the `struct timeval' TV.  */
+#define TIMEVAL_TO_VTIMES(tv) \
+  ((tv.tv_sec * VTIMES_UNITS_PER_SECOND) + \
+   (tv.tv_usec * VTIMES_UNITS_PER_SECOND / 1000000))
+
+/* If VT is not NULL, write statistics for WHO into *VT.
+   Return 0 for success, -1 for failure.  */
+static int
+vtimes_one (struct vtimes *vt, enum __rusage_who who)
+{
+  if (vt != NULL)
+    {
+      struct rusage usage;
+
+      if (__getrusage (who, &usage) < 0)
+	return -1;
+
+      vt->vm_utime = TIMEVAL_TO_VTIMES (usage.ru_utime);
+      vt->vm_stime = TIMEVAL_TO_VTIMES (usage.ru_stime);
+      vt->vm_idsrss = usage.ru_idrss + usage.ru_isrss;
+      vt->vm_majflt = usage.ru_majflt;
+      vt->vm_minflt = usage.ru_minflt;
+      vt->vm_nswap = usage.ru_nswap;
+      vt->vm_inblk = usage.ru_inblock;
+      vt->vm_oublk = usage.ru_oublock;
+    }
+  return 0;
+}
+
+/* If CURRENT is not NULL, write statistics for the current process into
+   *CURRENT.  If CHILD is not NULL, write statistics for all terminated child
+   processes into *CHILD.  Returns 0 for success, -1 for failure.  */
+int
+vtimes (current, child)
+     struct vtimes *current;
+     struct vtimes *child;
+{
+  if (vtimes_one (current, RUSAGE_SELF) < 0
+      || vtimes_one (child, RUSAGE_CHILDREN) < 0)
+    return -1;
+  return 0;
+}