From 414763270338fd3d691db201a74869016b6ae51c Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 13 Aug 2001 02:05:11 +0000 Subject: * sysdeps/mach/hurd/clock.c: New file. * sysdeps/mach/hurd/times.c: New file. * sysdeps/mach/hurd/getclktck.c (__getclktck): Always return 1000000. * sysdeps/mach/hurd/init-posix.c: New file. --- sysdeps/mach/hurd/clock.c | 54 ++++++++++++++++++++++++++++++ sysdeps/mach/hurd/getclktck.c | 26 +++------------ sysdeps/mach/hurd/init-posix.c | 2 ++ sysdeps/mach/hurd/times.c | 76 ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 136 insertions(+), 22 deletions(-) create mode 100644 sysdeps/mach/hurd/clock.c create mode 100644 sysdeps/mach/hurd/init-posix.c create mode 100644 sysdeps/mach/hurd/times.c (limited to 'sysdeps') diff --git a/sysdeps/mach/hurd/clock.c b/sysdeps/mach/hurd/clock.c new file mode 100644 index 0000000000..d6d4597bc3 --- /dev/null +++ b/sysdeps/mach/hurd/clock.c @@ -0,0 +1,54 @@ +/* Return the CPU time used by the program so far. Hurd version. + Copyright (C) 2001 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 +#include +#include +#include +#include + +/* Return the time used by the program so far (user time + system time). */ +clock_t +clock (void) +{ + struct task_basic_info bi; + struct task_thread_times_info tti; + mach_msg_type_number_t count; + clock_t total; + error_t err; + + count = TASK_BASIC_INFO_COUNT; + err = __task_info (__mach_task_self (), TASK_BASIC_INFO, + (task_info_t) &bi, &count); + if (err) + return __hurd_fail (err); + + count = TASK_THREAD_TIMES_INFO_COUNT; + err = __task_info (__mach_task_self (), TASK_THREAD_TIMES_INFO, + (task_info_t) &tti, &count); + if (err) + return __hurd_fail (err); + + total = bi.user_time.seconds * 1000000 + bi.user_time.microseconds; + total += tti.user_time.seconds * 1000000 + tti.user_time.microseconds; + total += bi.system_time.seconds * 1000000 + bi.system_time.microseconds; + total += tti.system_time.seconds * 1000000 + tti.system_time.microseconds; + + return total; +} diff --git a/sysdeps/mach/hurd/getclktck.c b/sysdeps/mach/hurd/getclktck.c index 268c0fccff..9cb46bbcaf 100644 --- a/sysdeps/mach/hurd/getclktck.c +++ b/sysdeps/mach/hurd/getclktck.c @@ -1,5 +1,5 @@ /* Return run-time value of CLK_TCK for Hurd. - Copyright (C) 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1999, 2000, 2001 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 @@ -17,32 +17,14 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include #include -#include -#include -#include - -#ifndef SYSTEM_CLK_TCK -# define SYSTEM_CLK_TCK 100 -#endif - -/* Return frequency of times(). */ +/* Return frequency of `times'. + Since Mach reports CPU times in microseconds, we always use 1 million. */ int __getclktck () { - struct host_sched_info hsi; - mach_msg_type_number_t count; - error_t err; - - count = HOST_SCHED_INFO_COUNT; - err = __host_info (__mach_task_self (), HOST_SCHED_INFO, - (host_info_t) &hsi, &count); - if (err) - return SYSTEM_CLK_TCK; - - return hsi.min_quantum; + return 1000000; } /* Before glibc 2.2, the Hurd actually did this differently, so we diff --git a/sysdeps/mach/hurd/init-posix.c b/sysdeps/mach/hurd/init-posix.c new file mode 100644 index 0000000000..3eecf62769 --- /dev/null +++ b/sysdeps/mach/hurd/init-posix.c @@ -0,0 +1,2 @@ +/* We don't need the unix/bsd version. */ +#include diff --git a/sysdeps/mach/hurd/times.c b/sysdeps/mach/hurd/times.c new file mode 100644 index 0000000000..044ca17bae --- /dev/null +++ b/sysdeps/mach/hurd/times.c @@ -0,0 +1,76 @@ +/* Return CPU and real time used by process and its children. Hurd version. + Copyright (C) 2001 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 +#include +#include +#include +#include +#include +#include +#include +#include + +static inline clock_t +clock_from_time_value (const time_value_t *t) +{ + return t->seconds * 1000000 + t->microseconds; +} + +/* Store the CPU time used by this process and all its + dead children (and their dead children) in BUFFER. + Return the elapsed real time, or (clock_t) -1 for errors. + All times are in CLK_TCKths of a second. */ +clock_t +__times (struct tms *tms) +{ + struct task_basic_info bi; + struct task_thread_times_info tti; + mach_msg_type_number_t count; + time_value_t now; + error_t err; + + count = TASK_BASIC_INFO_COUNT; + err = __task_info (__mach_task_self (), TASK_BASIC_INFO, + (task_info_t) &bi, &count); + if (err) + return __hurd_fail (err); + + count = TASK_THREAD_TIMES_INFO_COUNT; + err = __task_info (__mach_task_self (), TASK_THREAD_TIMES_INFO, + (task_info_t) &tti, &count); + if (err) + return __hurd_fail (err); + + tms->tms_utime = (clock_from_time_value (&bi.user_time) + + clock_from_time_value (&tti.user_time)); + tms->tms_stime = (clock_from_time_value (&bi.system_time) + + clock_from_time_value (&tti.system_time)); + + /* XXX This can't be implemented until getrusage(RUSAGE_CHILDREN) can be. */ + tms->tms_cutime = tms->tms_cstime = 0; + + err = __host_get_time (__mach_host_self (), &now); + if (err) + return __hurd_fail (err); + + return (clock_from_time_value (&now) + - clock_from_time_value (&bi.creation_time)); +} +weak_alias (__times, times) -- cgit 1.4.1