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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /lib/sh/times.c | |
parent | Initial commit. (diff) | |
download | bash-upstream.tar.xz bash-upstream.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.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/lib/sh/times.c b/lib/sh/times.c new file mode 100644 index 0000000..2423078 --- /dev/null +++ b/lib/sh/times.c @@ -0,0 +1,77 @@ +/* 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 */ |