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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
commit9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch)
treec85bca1e6c11eb872edfc64c524d20f2b7e3307b /lib/sh/times.c
parentInitial commit. (diff)
downloadbash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.tar.xz
bash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.zip
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/sh/times.c')
-rw-r--r--lib/sh/times.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/lib/sh/times.c b/lib/sh/times.c
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--- /dev/null
+++ b/lib/sh/times.c
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+/* times.c - times(3) library function */
+
+/* Copyright (C) 1999-2020 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash 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.
+
+ Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#if !defined (HAVE_TIMES)
+
+#include <sys/types.h>
+#include <posixtime.h>
+#include <systimes.h>
+
+#if defined (HAVE_SYS_RESOURCE_H) && defined (HAVE_GETRUSAGE)
+# include <sys/resource.h>
+#endif /* HAVE_SYS_RESOURCE_H && HAVE_GETRUSAGE */
+
+extern long get_clk_tck PARAMS((void));
+
+#define CONVTCK(r) (r.tv_sec * clk_tck + r.tv_usec / (1000000 / clk_tck))
+
+clock_t
+times(tms)
+ struct tms *tms;
+{
+ clock_t rv;
+ static long clk_tck = -1;
+
+#if defined (HAVE_GETRUSAGE)
+ struct timeval tv;
+ struct rusage ru;
+
+ if (clk_tck == -1)
+ clk_tck = get_clk_tck();
+
+ if (getrusage(RUSAGE_SELF, &ru) < 0)
+ return ((clock_t)-1);
+ tms->tms_utime = CONVTCK(ru.ru_utime);
+ tms->tms_stime = CONVTCK(ru.ru_stime);
+
+ if (getrusage(RUSAGE_CHILDREN, &ru) < 0)
+ return ((clock_t)-1);
+ tms->tms_cutime = CONVTCK(ru.ru_utime);
+ tms->tms_cstime = CONVTCK(ru.ru_stime);
+
+ if (gettimeofday(&tv, NULL) < 0)
+ return ((clock_t)-1);
+ rv = (clock_t)(CONVTCK(tv));
+#else /* !HAVE_GETRUSAGE */
+ if (clk_tck == -1)
+ clk_tck = get_clk_tck();
+
+ /* We can't do anything. */
+ tms->tms_utime = tms->tms_stime = (clock_t)0;
+ tms->tms_cutime = tms->tms_cstime = (clock_t)0;
+
+ rv = (clock_t)time((time_t *)0) * clk_tck;
+# endif /* HAVE_GETRUSAGE */
+
+ return rv;
+}
+#endif /* !HAVE_TIMES */