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-rw-r--r--subr.rtl/rtl_platform.subr172
1 files changed, 107 insertions, 65 deletions
diff --git a/subr.rtl/rtl_platform.subr b/subr.rtl/rtl_platform.subr
index dd50852b..25805219 100644
--- a/subr.rtl/rtl_platform.subr
+++ b/subr.rtl/rtl_platform.subr
@@ -3,122 +3,164 @@
#
rtl_check_prereqs() {
- local _cmd="" _cmds_missing="" _rc=0; _status="";
- for _cmd in "${@}"; do
- if ! which "${_cmd}" >/dev/null 2>&1; then
- _cmds_missing="${_cmds_missing:+${_cmds_missing} }${_cmd}";
+ local _rcp_rstatus="${1#\$}" \
+ _rcp_cmd="" _rcp_cmds_missing="" _rcp_rc=0;
+ shift;
+
+ for _rcp_cmd in "${@}"; do
+ if ! which "${_rcp_cmd}" >/dev/null 2>&1; then
+ _rcp_cmds_missing="${_rcp_cmds_missing:+${_rcp_cmds_missing} }${_rcp_cmd}";
fi;
done;
- if [ -n "${_cmds_missing}" ]; then
- _rc=1; _status="Error: missing prerequisite package(s): ${_cmds_missing}";
+ if [ "${_rcp_cmds_missing:+1}" = 1 ]; then
+ _rcp_rc=1;
+ rtl_setrstatus "${_rcp_rstatus}" 'Error: missing prerequisite package(s): '"${_rcp_cmds_missing}";
fi;
- return "${_rc}";
+ return "${_rcp_rc}";
};
rtl_clean_env() {
- local _env_vars_except="${1}" _env_var="" _env_vars="";
- _env_vars="$(export | sed -ne '/^export/{s/^export //;s/=.*$//p}')";
- for _env_var in ${_env_vars}; do
- if [ "${_env_var#DEFAULT_}" != "${_env_var}" ]\
- || [ "${_env_var#PKG_}" != "${_env_var}" ]; then
- _env_vars_except="$(rtl_lconcat "${_env_vars_except}" "${_env_var}")";
+ local _rce_env_vars_except="${1}" \
+ _rce_env_var="" _rce_env_vars="" _rce_env_vars_unset="";
+
+ _rce_env_vars="$(export | sed -ne '/^export/{s/^export //;s/=.*$//p}')";
+
+ for _rce_env_var in ${_rce_env_vars}; do
+ if [ "${_rce_env_var#DEFAULT_}" != "${_rce_env_var}" ]\
+ || [ "${_rce_env_var#PKG_}" != "${_rce_env_var}" ]; then
+ rtl_lconcat \$_rce_env_vars_except "${_rce_env_var}";
fi;
done;
- rtl_unset_vars $(rtl_lfilter "${_env_vars}" "${_env_vars_except}");
+ rtl_lfilter2 \$_rce_env_vars \$_rce_env_vars_unset "${_rce_env_vars_except}";
+ rtl_unset_vars ${_rce_env_vars_unset};
+
+ return 0;
};
rtl_get_cpu_count() {
- local _line="" _ncpus=0 _rc=0 _sname="$(uname -s 2>/dev/null)"; _status="";
- case "${_sname}" in
+ local _rgcc_rstatus="${1#\$}" _rgcc_rcount="${2#\$}" \
+ _rgcc_line="" _rgcc_ncpus=0 _rgcc_rc=0 _rgcc_sname="";
+
+ _rgcc_sname="$(uname -s 2>/dev/null)" || return 1;
+ case "${_rgcc_sname}" in
+
Linux) if [ ! -e "/proc/cpuinfo" ]; then
- _rc=1; _status="Error: /proc/cpuinfo non-existent.";
- else while read -r _line; do
- if rtl_match "${_line}" "processor*:"; then
- : $((_ncpus+=1));
+ _rgcc_rc=1;
+ rtl_setrstatus "${_rgcc_rstatus}" 'Error: /proc/cpuinfo non-existent.';
+ else while read -r _rgcc_line; do
+ if rtl_match "${_rgcc_line}" "processor*:"; then
+ : $((_rgcc_ncpus+=1));
fi;
- done < /proc/cpuinfo; printf "%s" "${_ncpus}";
+ done < /proc/cpuinfo;
+ _rgcc_rc=0;
+ rtl_setrstatus "${_rgcc_rstatus}" "";
fi; ;;
- *) _rc=1; _status="Error: unknown platform \`${_sname}'."; ;;
- esac; return "${_rc}";
+
+ *) _rgcc_rc=1;
+ rtl_setrstatus "${_rgcc_rstatus}" 'Error: unknown platform \`'"${_rgcc_sname}"''\''.';
+ ;;
+
+ esac;
+ eval ${_rgcc_rcount}='${_rgcc_ncpus}';
+ return "${_rgcc_rc}";
};
rtl_get_var_unsafe() {
- local _vname="";
+ local _rgvu_rvname_out="${1#\$}" \
+ _rgvu_vname="";
+ shift;
+
if [ "x${1}" = "x-u" ]; then
- shift; _vname="$(rtl_toupper "${1}")";
+ shift; _rgvu_vname="${1}"; rtl_toupper \$_rgvu_vname;
else
- _vname="${1}";
+ _rgvu_vname="${1}";
fi;
- eval echo \${${_vname}} 2>/dev/null;
+ eval ${_rgvu_rvname_out}="\${${_rgvu_vname}:-}";
+ return 0;
};
rtl_get_vars_fast() {
- local _pattern="${1}";
- set | awk -F= '/'"${_pattern}"'/{print $1}' | sort;
+ local _rgvf_pattern="${1}";
+
+ set | awk -F= '/'"${_rgvf_pattern}"'/{print $1}' | sort;
+ return 0;
};
rtl_kill_tree() {
- local _pid="${1}" _signal="${2:-TERM}" _pid_child="" _pids="";
- if _pids="$(pgrep -P "${_pid}")"\
- && [ -n "${_pids}" ]; then
- for _pid_child in ${_pids}; do
- rtl_kill_tree "${_pid_child}" "${_signal}";
+ local _rkt_rpids="${1#\$}" _rkt_pid="${2}" _rkt_signal="${3:-TERM}" \
+ _rkt_pid_child="" _rkt_pids="";
+
+ if _rkt_pids="$(pgrep -P "${_rkt_pid}")"\
+ && [ "${_rkt_pids:+1}" = 1 ]; then
+ for _rkt_pid_child in ${_rkt_pids}; do
+ rtl_kill_tree "${_rkt_rpids}" "${_rkt_pid_child}" "${_rkt_signal}";
done;
fi;
- if [ "${_pid:-0}" -ne "${$}" ]\
- && kill "-${_signal}" "${_pid}" 2>/dev/null; then
- RTL_KILL_TREE_PIDS="$(rtl_lconcat "${RTL_KILL_TREE_PIDS}" "${_pid}")";
+ if [ "${_rkt_pid:-0}" -ne "${$}" ]\
+ && kill "-${_rkt_signal}" "${_rkt_pid}" 2>/dev/null; then
+ rtl_lconcat "${_rkt_rpids}" "${_rkt_pid}";
fi;
+ return 0;
};
rtl_prompt() {
- local _fmt="${1}" _choice=""; shift;
- printf "${_fmt}? (y|N) " "${@}";
- read -r _choice;
- case "${_choice}" in
- [yY]) _choice=1; ;;
- *) _choice=0; ;;
+ local rp_fmt="${1}" rp_choice=""; shift;
+
+ printf "${rp_fmt}? (y|N) " "${@}";
+ read -r rp_choice;
+ case "${rp_choice}" in
+ [yY]) rp_choice=1; ;;
+ *) rp_choice=0; ;;
esac;
- return "${_choice}";
+ return "${rp_choice}";
};
rtl_rc() {
- local _nflag="${1}" _cmd="${2}"; shift 2;
- case "${_nflag}" in
+ local _rr_nflag="${1}" _rr_cmd="${2}";
+ shift 2;
+
+ case "${_rr_nflag}" in
1) if [ "${#}" -gt 0 ]; then
- rtl_log_msg "verbose" "${MSG_rtl_platform_rc1}" "${_cmd}" "${*}";
+ rtl_log_msg "verbose" "${MSG_rtl_platform_rc1}" "${_rr_cmd}" "${*}";
else
- rtl_log_msg "verbose" "${MSG_rtl_platform_rc2}" "${_cmd}";
+ rtl_log_msg "verbose" "${MSG_rtl_platform_rc2}" "${_rr_cmd}";
fi; ;;
- *) "${_cmd}" "${@}";
+ *) "${_rr_cmd}" "${@}"; ;;
esac;
+ return 0;
};
rtl_run_cmd_unsplit() {
- local _cmd="${1}" _cmdline="" _rc="" IFS; shift;
+ local _rrcu_cmd="${1}" \
+ _rrcu_cmdline="" _rrcu_rc="" IFS;
+ shift;
+
while [ ${#} -gt 0 ]; do
- [ -n "${1}" ] &&\
- _cmdline="${_cmdline:+${_cmdline}:}${1}";
+ [ "${1:+1}" = 1 ] &&\
+ _rrcu_cmdline="${_rrcu_cmdline:+${_rrcu_cmdline}:}${1}";
shift;
done;
- IFS=:; ${_cmd} ${_cmdline}; _rc=$?;
- return ${_rc};
+ IFS=:; ${_rrcu_cmd} ${_rrcu_cmdline}; _rrcu_rc=$?;
+ return ${_rrcu_rc};
};
rtl_set_vars() {
- local _vars_set_vname="${1}" _vname_dst="${2}" _vname_src_tmpls="${3}" \
- _vars_set_old="" _vars_set_tmp="" _vname_src="";
-
- for _vname_src in $(rtl_toupper "${_vname_src_tmpls}"); do
- _vname_src="${_vname_src}_${_vname_dst}";
- eval _vval_src='${'"${_vname_src}"':-}';
- if [ "${_vval_src:+1}" = 1 ]; then
- eval PKG_${_vname_dst}='${_vval_src}';
- _vars_set_tmp="${_vars_set_tmp:+${_vars_set_tmp} }PKG_${_vname_dst}";
+ local _rsv_vars_set_vname="${1}" _rsv_vname_dst="${2}" _rsv_vname_src_tmpls="${3}" \
+ _rsv_vars_set_old="" _rsv_vars_set_tmp="" _rsv_vname_src="" _rsv_vnames_src="";
+
+ rtl_toupper2 \$_rsv_vname_src_tmpls \$_rsv_vnames_src;
+ for _rsv_vname_src in ${_rsv_vnames_src}; do
+ _rsv_vname_src="${_rsv_vname_src}_${_rsv_vname_dst}";
+ eval _rsv_vval_src="\${${_rsv_vname_src}:-}";
+ if [ "${_rsv_vval_src:+1}" = 1 ]; then
+ eval PKG_${_rsv_vname_dst}='${_rsv_vval_src}';
+ _rsv_vars_set_tmp="${_rsv_vars_set_tmp:+${_rsv_vars_set_tmp} }PKG_${_rsv_vname_dst}";
fi;
done;
- eval _vars_set_old='${'"${_vars_set_vname}"'}';
- rtl_set_var_unsafe "${_vars_set_vname}" "${_vars_set_old:+${_vars_set_old} }${_vars_set_tmp}";
+ eval _rsv_vars_set_old="\${${_rsv_vars_set_vname}}";
+ rtl_set_var_unsafe "${_rsv_vars_set_vname}" "${_rsv_vars_set_old:+${_rsv_vars_set_old} }${_rsv_vars_set_tmp}";
+
+ return 0;
};
# vim:filetype=sh