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loader: remove weird kstat thing 

Apparently the win32 binary codec loader used this to retrieve the
CPU frequency on Solaris.
This commit is contained in:
wm4 2012-08-03 01:00:55 +02:00
parent dfbfc7e75e
commit debca22212
2 changed files with 0 additions and 60 deletions
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13
configure vendored
View File

@ -1436,18 +1436,6 @@ fi
echores "$_builtin_expect"
echocheck "kstat"
_kstat=no
statement_check kstat.h 'kstat_open()' -lkstat && _kstat=yes
if test "$_kstat" = yes ; then
def_kstat="#define HAVE_LIBKSTAT 1"
extra_ldflags="$extra_ldflags -lkstat"
else
def_kstat="#undef HAVE_LIBKSTAT"
fi
echores "$_kstat"
echocheck "posix4"
# required for nanosleep on some systems
_posix4=no
@ -4216,7 +4204,6 @@ $def_builtin_expect
$def_dl
$def_dos_paths
$def_iconv
$def_kstat
$def_macosx_bundle
$def_macosx_finder
$def_priority

47
loader/win32.c
View File

@ -66,9 +66,6 @@ for DLL to know too much about its environment.
#include <dirent.h>
#include <sys/time.h>
#include <sys/stat.h>
#ifdef HAVE_KSTAT
#include <kstat.h>
#endif
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
@ -2149,47 +2146,6 @@ static double linux_cpuinfo_freq(void)
return freq;
}
static double solaris_kstat_freq(void)
{
#if defined(HAVE_LIBKSTAT) && defined(KSTAT_DATA_INT32)
/*
* try to extract the CPU speed from the solaris kernel's kstat data
*/
kstat_ctl_t *kc;
kstat_t *ksp;
kstat_named_t *kdata;
int mhz = 0;
kc = kstat_open();
if (kc != NULL)
{
ksp = kstat_lookup(kc, "cpu_info", 0, "cpu_info0");
/* kstat found and name/value pairs? */
if (ksp != NULL && ksp->ks_type == KSTAT_TYPE_NAMED)
{
/* read the kstat data from the kernel */
if (kstat_read(kc, ksp, NULL) != -1)
{
/*
* lookup desired "clock_MHz" entry, check the expected
* data type
*/
kdata = (kstat_named_t *)kstat_data_lookup(ksp, "clock_MHz");
if (kdata != NULL && kdata->data_type == KSTAT_DATA_INT32)
mhz = kdata->value.i32;
}
}
kstat_close(kc);
}
if (mhz > 0)
return mhz * 1000.;
#endif /* HAVE_LIBKSTAT */
return -1; // kstat stuff is not available, CPU freq is unknown
}
/*
* Measure CPU freq using the pentium's time stamp counter register (TSC)
*/
@ -2216,9 +2172,6 @@ static double CPU_Freq(void)
if ((freq = linux_cpuinfo_freq()) > 0)
return freq;
if ((freq = solaris_kstat_freq()) > 0)
return freq;
return tsc_freq();
}