# This information is used by tuklib_cpucores.c.
#
# Currently this supports sysctl() (BSDs, OS/2) and sysconf() (GNU/Linux,
-# Solaris, Cygwin).
+# Solaris, IRIX, Cygwin).
#
# COPYING
#
main(void)
{
long i;
+#ifdef _SC_NPROCESSORS_ONLN
+ /* Many systems using sysconf() */
i = sysconf(_SC_NPROCESSORS_ONLN);
+#else
+ /* IRIX */
+ i = sysconf(_SC_NPROC_ONLN);
+#endif
return 0;
}
]])], [
sysconf)
AC_DEFINE([TUKLIB_CPUCORES_SYSCONF], [1],
[Define to 1 if the number of available CPU cores
- can be detected with sysconf(_SC_NPROCESSORS_ONLN).])
+ can be detected with sysconf(_SC_NPROCESSORS_ONLN)
+ or sysconf(_SC_NPROC_ONLN).])
;;
esac
])dnl
#
# - BSDs use sysctl().
#
+# - IRIX has setinvent_r(), getinvent_r(), and endinvent_r().
+#
# - sysinfo() works on Linux/dietlibc and probably on other Linux
# systems whose libc may lack sysconf().
#
}
]])], [tuklib_cv_physmem_method=sysctl], [
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+#include <invent.h>
+int
+main(void)
+{
+ inv_state_t *st = NULL;
+ setinvent_r(&st);
+ getinvent_r(st);
+ endinvent_r(st);
+ return 0;
+}
+]])], [tuklib_cv_physmem_method=getinvent_r], [
+
# This version of sysinfo() is Linux-specific. Some non-Linux systems have
# different sysinfo() so we must check $host_os.
case $host_os in
tuklib_cv_physmem_method=unknown
;;
esac
-])])])])
+])])])])])
case $tuklib_cv_physmem_method in
sysconf)
AC_DEFINE([TUKLIB_PHYSMEM_SYSCONF], [1],
[Define to 1 if the amount of physical memory can
be detected with sysctl().])
;;
+ getinvent_r)
+ AC_DEFINE([TUKLIB_PHYSMEM_GETINVENT_R], [1],
+ [Define to 1 if the amount of physical memory
+ can be detected with getinvent_r().])
+ ;;
sysinfo)
AC_DEFINE([TUKLIB_PHYSMEM_SYSINFO], [1],
[Define to 1 if the amount of physical memory
ret = (uint32_t)cpus;
#elif defined(TUKLIB_CPUCORES_SYSCONF)
+# ifdef _SC_NPROCESSORS_ONLN
+ // Most systems
const long cpus = sysconf(_SC_NPROCESSORS_ONLN);
+# else
+ // IRIX
+ const long cpus = sysconf(_SC_NPROC_ONLN);
+# endif
if (cpus > 0)
ret = (uint32_t)cpus;
#endif
# endif
# include <sys/sysctl.h>
+// IRIX
+#elif defined(TUKLIB_PHYSMEM_GETINVENT_R)
+# include <invent.h>
+
// This sysinfo() is Linux-specific.
#elif defined(TUKLIB_PHYSMEM_SYSINFO)
# include <sys/sysinfo.h>
ret = mem.u32;
}
+#elif defined(TUKLIB_PHYSMEM_GETINVENT_R)
+ inv_state_t *st = NULL;
+ if (setinvent_r(&st) != -1) {
+ inventory_t *i;
+ while ((i = getinvent_r(st)) != NULL) {
+ if (i->inv_class == INV_MEMORY
+ && i->inv_type == INV_MAIN_MB) {
+ ret = (uint64_t)i->inv_state << 20;
+ break;
+ }
+ }
+
+ endinvent_r(st);
+ }
+
#elif defined(TUKLIB_PHYSMEM_SYSINFO)
struct sysinfo si;
if (sysinfo(&si) == 0)