41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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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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