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-rw-r--r--libf2c/libU77/sys_clock_.c79
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diff --git a/libf2c/libU77/sys_clock_.c b/libf2c/libU77/sys_clock_.c
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+++ b/libf2c/libU77/sys_clock_.c
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+/* Copyright (C) 1996, 1998, 2001 Free Software Foundation, Inc.
+This file is part of GNU Fortran libU77 library.
+
+This library is free software; you can redistribute it and/or modify it
+under the terms of the GNU Library General Public License as published
+by the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+GNU Fortran 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with GNU Fortran; see the file COPYING.LIB. If
+not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <sys/types.h>
+#if HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+#if HAVE_SYS_TIMES_H
+# include <sys/times.h>
+#endif
+#include <limits.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#include <errno.h> /* for ENOSYS */
+#include "f2c.h"
+
+int
+G77_system_clock_0 (integer * count, integer * count_rate,
+ integer * count_max)
+{
+#if defined (HAVE_TIMES)
+ struct tms buffer;
+ unsigned long cnt;
+ if (count_rate)
+ {
+#ifdef _SC_CLK_TCK
+ *count_rate = sysconf (_SC_CLK_TCK);
+#elif defined CLOCKS_PER_SECOND
+ *count_rate = CLOCKS_PER_SECOND;
+#elif defined CLK_TCK
+ *count_rate = CLK_TCK;
+#elif defined HZ
+ *count_rate = HZ;
+#else
+#error Dont know clock tick length
+#endif
+ }
+ if (count_max) /* optional arg present? */
+ *count_max = INT_MAX; /* dubious */
+ cnt = times (&buffer);
+ if (cnt > (unsigned long) (INT_MAX))
+ *count = INT_MAX; /* also dubious */
+ else
+ *count = cnt;
+ return 0;
+#else /* ! HAVE_TIMES */
+ errno = ENOSYS;
+ return -1;
+#endif /* ! HAVE_TIMES */
+}
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