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Re: new modules: times and sys_times
From: |
Simon Josefsson |
Subject: |
Re: new modules: times and sys_times |
Date: |
Tue, 28 Oct 2008 19:10:45 +0100 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/22.2 (gnu/linux) |
This part was forgotten, now pushed as well.
/Simon
>From 9903ce8582d50b6cd5338dd9ca06b674da7a6c36 Mon Sep 17 00:00:00 2001
From: Simon Josefsson <address@hidden>
Date: Tue, 28 Oct 2008 18:22:28 +0100
Subject: [PATCH] Add files missing from last commit.
---
tests/test-sys_times.c | 29 ++++++++++++++
tests/test-times.c | 101 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 130 insertions(+), 0 deletions(-)
create mode 100644 tests/test-sys_times.c
create mode 100644 tests/test-times.c
diff --git a/tests/test-sys_times.c b/tests/test-sys_times.c
new file mode 100644
index 0000000..f312372
--- /dev/null
+++ b/tests/test-sys_times.c
@@ -0,0 +1,29 @@
+/* Test of <sys/times.h> substitute.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Simon Josefsson <address@hidden>, 2008. */
+
+#include <config.h>
+
+#include <sys/times.h>
+
+struct tms tms;
+
+int
+main (void)
+{
+ return 0;
+}
diff --git a/tests/test-times.c b/tests/test-times.c
new file mode 100644
index 0000000..377a139
--- /dev/null
+++ b/tests/test-times.c
@@ -0,0 +1,101 @@
+/* Test of times function.
+ Copyright (C) 2008 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Simon Josefsson <address@hidden>, 2008. */
+
+#include <config.h>
+
+#include <sys/times.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <math.h>
+
+static int
+doublecmp (const void *p, const void *q)
+{
+ double a = *(double *) p;
+ double b = *(double *) q;
+
+ return a < b;
+}
+
+int
+main (int argc, char *argv[])
+{
+ struct tms tms;
+ clock_t t;
+#ifndef _SC_CLK_TCK
+ clock_t clk_tck = CLK_TCK;
+#else
+ clock_t clk_tck = sysconf (_SC_CLK_TCK);
+#endif
+
+ t = times (&tms);
+ if (t == (clock_t) -1)
+ {
+ perror ("times");
+ return EXIT_FAILURE;
+ }
+
+ if (argc > 1)
+ {
+ printf ("clk_tck %ld\n", (long int) clk_tck);
+
+ printf ("t %ld\n", t);
+ printf ("tms.tms_utime %ldms\n", (tms.tms_utime * 1000) / clk_tck);
+ printf ("tms.tms_stime %ldms\n", (tms.tms_stime * 1000) / clk_tck);
+ printf ("tms.tms_cutime %ldms\n", (tms.tms_cutime * 1000) / clk_tck);
+ printf ("tms.tms_cstime %ldms\n", (tms.tms_cstime * 1000) / clk_tck);
+ }
+
+ if (argc > 1)
+ {
+ size_t size = atoi (argv[1]);
+ double *base;
+ size_t i;
+
+ base = malloc (size * sizeof (double));
+
+ for (i = 0; i < size; i++)
+ base[i] = i * i;
+
+ qsort (base, size, sizeof (double), doublecmp);
+
+ free (base);
+ }
+
+ t = times (&tms);
+ if (t == (clock_t) -1)
+ {
+ perror ("times");
+ return EXIT_FAILURE;
+ }
+
+ if (argc > 1)
+ {
+ printf ("clk_tck %ld\n", (long int) clk_tck);
+
+ printf ("t %ld\n", t);
+ printf ("tms.tms_utime %ldms\n", (tms.tms_utime * 1000) / clk_tck);
+ printf ("tms.tms_stime %ldms\n", (tms.tms_stime * 1000) / clk_tck);
+ printf ("tms.tms_cutime %ldms\n", (tms.tms_cutime * 1000) / clk_tck);
+ printf ("tms.tms_cstime %ldms\n", (tms.tms_cstime * 1000) / clk_tck);
+ }
+
+ return 0;
+}
--
1.5.6.5