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|
dnl ######################################################################
dnl rlimit capabilities checks
AC_DEFUN([NTP_RLIMIT_ITEMS], [
AC_CACHE_CHECK(
[for RLIMIT_MEMLOCK],
[ntp_cv_rlimit_memlock],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
]],
[[
getrlimit(RLIMIT_MEMLOCK, 0);
]]
)],
[ntp_cv_rlimit_memlock=yes],
[ntp_cv_rlimit_memlock=no]
)]
)
case "$host" in
*-*-*linux*)
ntp_dflt_rlimit_memlock="-1" ;;
*) ntp_dflt_rlimit_memlock="32" ;;
esac
case "$ntp_cv_rlimit_memlock" in
yes)
AC_SUBST([HAVE_RLIMIT_MEMLOCK])
HAVE_RLIMIT_MEMLOCK=" memlock $ntp_dflt_rlimit_memlock" ;;
esac
AC_CACHE_CHECK(
[for RLIMIT_STACK],
[ntp_cv_rlimit_stack],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
]],
[[
getrlimit(RLIMIT_STACK, 0);
]]
)],
[ntp_cv_rlimit_stack=yes],
[ntp_cv_rlimit_stack=no]
)]
)
case "$ntp_cv_rlimit_stack" in
yes)
AC_SUBST([HAVE_RLIMIT_STACK])
HAVE_RLIMIT_STACK=" stacksize 50"
esac
# HMS: Only if we are doing the MLOCKALL stuff...
AC_MSG_CHECKING([for the default number of 4k stack pages])
AC_ARG_WITH(
[stack-limit],
[AS_HELP_STRING(
[--with-stack-limit],
[? =50 (200 for openbsd) 4k pages]
)],
[ans=$withval],
[ans=yes]
)
case "$ans" in
yes | no)
case "$host" in
*-*-openbsd*)
ans=200
;;
*) ans=50
;;
esac
;;
[[1-9]][[0-9]]*)
;;
*) AC_MSG_ERROR(["--with-stack-limit requires an integer argument."])
;;
esac
AC_MSG_RESULT([$ans])
AC_DEFINE_UNQUOTED([DFLT_RLIMIT_STACK], [$ans],
[Default number of 4k pages for RLIMIT_STACK])
# HMS: only if we have RLIMIT_MEMLOCK
AC_MSG_CHECKING([for the default number of megabytes to MEMLOCK])
AC_ARG_WITH(
[memlock],
[AS_HELP_STRING(
[--with-memlock],
[? =32 (-1 on linux) megabytes]
)],
[ans=$withval],
[ans=yes]
)
case "$ans" in
yes | no)
ans=$ntp_dflt_rlimit_memlock
;;
[[1-9]][[0-9]]*) ;;
*) AC_MSG_ERROR(["--with-memlock requires an integer argument."])
;;
esac
AC_MSG_RESULT([$ans])
AC_DEFINE_UNQUOTED([DFLT_RLIMIT_MEMLOCK], [$ans],
[Default number of megabytes for RLIMIT_MEMLOCK])
])dnl
dnl ======================================================================
|
