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authorMark Kettenis <kettenis@gnu.org>2000-11-04 21:26:25 +0000
committerMark Kettenis <kettenis@gnu.org>2000-11-04 21:26:25 +0000
commitf3975fff5c19ae7dfa91f8048de5cef9283c280d (patch)
tree321f86c3380d99742cfaa33eb36c7d0363aa41fd /sysdeps/mach/hurd/getclktck.c
parentd2830ba4cc7e3da48bb8272acf5d440506aee37a (diff)
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* sysdeps/mach/hurd/Versions [libc] (GLIBC_2.1.1): Remove __libc_clk_tck. * sysdeps/mach/hurd/Makefile [$(subdir)==posix] (sysdep_routines): Remove clk_tck. * sysdeps/mach/hurd/clk_tck.c: Removed. * sysdeps/mach/hurd/getclktck.c: New file. * sysdeps/mach/hurd/setitimer.c (quantize_timeval): Use __getclktck instead of __libc_clk_tck. * sysdeps/mach/hurd/bits/time.h: Use __sysconf for CLK_TCK instead of __libc_clk_tck. * sysdeps/mach/hurd/i386/bits/time.h: Likewise.
2000-11-04 Mark Kettenis <kettenis@gnu.org> * sysdeps/mach/hurd/Versions [libc] (GLIBC_2.1.1): Remove __libc_clk_tck. * sysdeps/mach/hurd/Makefile [$(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.
Diffstat (limited to 'sysdeps/mach/hurd/getclktck.c')
-rw-r--r--sysdeps/mach/hurd/getclktck.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/getclktck.c b/sysdeps/mach/hurd/getclktck.c
new file mode 100644
index 0000000000..8ebe1bf9c9
--- /dev/null
+++ b/sysdeps/mach/hurd/getclktck.c
@@ -0,0 +1,55 @@
+/* Return run-time value of CLK_TCK for Hurd.
+ Copyright (C) 1999, 2000 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <mach.h>
+#include <mach/host_info.h>
+
+#ifndef SYSTEM_CLK_TCK
+# define SYSTEM_CLK_TCK 100
+#endif
+
+/* Return frequency of times(). */
+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;
+}
+
+/* Before glibc 2.2, the Hurd actually did this differently, so we
+ need to keep a compatibility symbol. */
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_2)
+compat_symbol (libc, __getclktck, __libc_clk_tck, GLIBC_2_1_1);
+#endif