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2000-11-04 Mark Kettenis <kettenis@gnu.org> * sysdeps/mach/hurd/Versions [libc] (GLIBC_2.1.1): Remove __libc_clk_tck. * sysdeps/mach/hurd/Makefile [$(subdir)==posix] (sysdep_routines): Remove clk_tck. * sysdeps/mach/hurd/clk_tck.c: Removed. * sysdeps/mach/hurd/getclktck.c: New file. * sysdeps/mach/hurd/setitimer.c (quantize_timeval): Use __getclktck instead of __libc_clk_tck. * sysdeps/mach/hurd/bits/time.h: Use __sysconf for CLK_TCK instead of __libc_clk_tck. * sysdeps/mach/hurd/i386/bits/time.h: Likewise.
56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/* Return run-time value of CLK_TCK for Hurd.
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Copyright (C) 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <time.h>
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#include <unistd.h>
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#include <mach.h>
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#include <mach/host_info.h>
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#ifndef SYSTEM_CLK_TCK
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# define SYSTEM_CLK_TCK 100
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#endif
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/* Return frequency of times(). */
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int
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__getclktck ()
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{
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struct host_sched_info hsi;
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mach_msg_type_number_t count;
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error_t err;
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count = HOST_SCHED_INFO_COUNT;
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err = __host_info (__mach_task_self (), HOST_SCHED_INFO,
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(host_info_t) &hsi, &count);
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if (err)
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return SYSTEM_CLK_TCK;
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return hsi.min_quantum;
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}
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/* Before glibc 2.2, the Hurd actually did this differently, so we
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need to keep a compatibility symbol. */
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#include <shlib-compat.h>
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#if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_2)
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compat_symbol (libc, __getclktck, __libc_clk_tck, GLIBC_2_1_1);
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#endif
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