| 1 | #!/bin/sh
|
|---|
| 2 | ########################################################################
|
|---|
| 3 | # Begin boot functions
|
|---|
| 4 | #
|
|---|
| 5 | # Description : Run Level Control Functions
|
|---|
| 6 | #
|
|---|
| 7 | # Authors : Gerard Beekmans - gerard@linuxfromscratch.org
|
|---|
| 8 | # Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
|
|---|
| 9 | #
|
|---|
| 10 | # Version : LFS 7.0
|
|---|
| 11 | #
|
|---|
| 12 | # Notes : With code based on Matthias Benkmann's simpleinit-msb
|
|---|
| 13 | # http://winterdrache.de/linux/newboot/index.html
|
|---|
| 14 | #
|
|---|
| 15 | # This file is only present for backward BLFS compatibility
|
|---|
| 16 | #
|
|---|
| 17 | ########################################################################
|
|---|
| 18 |
|
|---|
| 19 | ## Environmental setup
|
|---|
| 20 | # Setup default values for environment
|
|---|
| 21 | umask 022
|
|---|
| 22 | export PATH="/bin:/usr/bin:/sbin:/usr/sbin"
|
|---|
| 23 |
|
|---|
| 24 | # Signal sent to running processes to refresh their configuration
|
|---|
| 25 | RELOADSIG="HUP"
|
|---|
| 26 |
|
|---|
| 27 | # Number of seconds between STOPSIG and FALLBACK when stopping processes
|
|---|
| 28 | KILLDELAY="3"
|
|---|
| 29 |
|
|---|
| 30 | ## Screen Dimensions
|
|---|
| 31 | # Find current screen size
|
|---|
| 32 | if [ -z "${COLUMNS}" ]; then
|
|---|
| 33 | COLUMNS=$(stty size)
|
|---|
| 34 | COLUMNS=${COLUMNS##* }
|
|---|
| 35 | fi
|
|---|
| 36 |
|
|---|
| 37 | # When using remote connections, such as a serial port, stty size returns 0
|
|---|
| 38 | if [ "${COLUMNS}" = "0" ]; then
|
|---|
| 39 | COLUMNS=80
|
|---|
| 40 | fi
|
|---|
| 41 |
|
|---|
| 42 | ## Measurements for positioning result messages
|
|---|
| 43 | COL=$((${COLUMNS} - 8))
|
|---|
| 44 | WCOL=$((${COL} - 2))
|
|---|
| 45 |
|
|---|
| 46 | ## Provide an echo that supports -e and -n
|
|---|
| 47 | # If formatting is needed, $ECHO should be used
|
|---|
| 48 | case "`echo -e -n test`" in
|
|---|
| 49 | -[en]*)
|
|---|
| 50 | ECHO=/bin/echo
|
|---|
| 51 | ;;
|
|---|
| 52 | *)
|
|---|
| 53 | ECHO=echo
|
|---|
| 54 | ;;
|
|---|
| 55 | esac
|
|---|
| 56 |
|
|---|
| 57 | ## Set Cursor Position Commands, used via $ECHO
|
|---|
| 58 | SET_COL="\\033[${COL}G" # at the $COL char
|
|---|
| 59 | SET_WCOL="\\033[${WCOL}G" # at the $WCOL char
|
|---|
| 60 | CURS_UP="\\033[1A\\033[0G" # Up one line, at the 0'th char
|
|---|
| 61 |
|
|---|
| 62 | ## Set color commands, used via $ECHO
|
|---|
| 63 | # Please consult `man console_codes for more information
|
|---|
| 64 | # under the "ECMA-48 Set Graphics Rendition" section
|
|---|
| 65 | #
|
|---|
| 66 | # Warning: when switching from a 8bit to a 9bit font,
|
|---|
| 67 | # the linux console will reinterpret the bold (1;) to
|
|---|
| 68 | # the top 256 glyphs of the 9bit font. This does
|
|---|
| 69 | # not affect framebuffer consoles
|
|---|
| 70 | NORMAL="\\033[0;39m" # Standard console grey
|
|---|
| 71 | SUCCESS="\\033[1;32m" # Success is green
|
|---|
| 72 | WARNING="\\033[1;33m" # Warnings are yellow
|
|---|
| 73 | FAILURE="\\033[1;31m" # Failures are red
|
|---|
| 74 | INFO="\\033[1;36m" # Information is light cyan
|
|---|
| 75 | BRACKET="\\033[1;34m" # Brackets are blue
|
|---|
| 76 |
|
|---|
| 77 | STRING_LENGTH="0" # the length of the current message
|
|---|
| 78 |
|
|---|
| 79 | #*******************************************************************************
|
|---|
| 80 | # Function - boot_mesg()
|
|---|
| 81 | #
|
|---|
| 82 | # Purpose: Sending information from bootup scripts to the console
|
|---|
| 83 | #
|
|---|
| 84 | # Inputs: $1 is the message
|
|---|
| 85 | # $2 is the colorcode for the console
|
|---|
| 86 | #
|
|---|
| 87 | # Outputs: Standard Output
|
|---|
| 88 | #
|
|---|
| 89 | # Dependencies: - sed for parsing strings.
|
|---|
| 90 | # - grep for counting string length.
|
|---|
| 91 | #
|
|---|
| 92 | # Todo:
|
|---|
| 93 | #*******************************************************************************
|
|---|
| 94 | boot_mesg()
|
|---|
| 95 | {
|
|---|
| 96 | local ECHOPARM=""
|
|---|
| 97 |
|
|---|
| 98 | while true
|
|---|
| 99 | do
|
|---|
| 100 | case "${1}" in
|
|---|
| 101 | -n)
|
|---|
| 102 | ECHOPARM=" -n "
|
|---|
| 103 | shift 1
|
|---|
| 104 | ;;
|
|---|
| 105 | -*)
|
|---|
| 106 | echo "Unknown Option: ${1}"
|
|---|
| 107 | return 1
|
|---|
| 108 | ;;
|
|---|
| 109 | *)
|
|---|
| 110 | break
|
|---|
| 111 | ;;
|
|---|
| 112 | esac
|
|---|
| 113 | done
|
|---|
| 114 |
|
|---|
| 115 | ## Figure out the length of what is to be printed to be used
|
|---|
| 116 | ## for warning messages.
|
|---|
| 117 | STRING_LENGTH=$((${#1} + 1))
|
|---|
| 118 |
|
|---|
| 119 | # Print the message to the screen
|
|---|
| 120 | ${ECHO} ${ECHOPARM} -e "${2}${1}"
|
|---|
| 121 |
|
|---|
| 122 | # Log the message
|
|---|
| 123 | [ -d /run/var ] || return
|
|---|
| 124 | ${ECHO} ${ECHOPARM} -e "${2}${1}" >> /run/var/bootlog
|
|---|
| 125 | }
|
|---|
| 126 |
|
|---|
| 127 | boot_mesg_flush()
|
|---|
| 128 | {
|
|---|
| 129 | # Reset STRING_LENGTH for next message
|
|---|
| 130 | STRING_LENGTH="0"
|
|---|
| 131 | }
|
|---|
| 132 |
|
|---|
| 133 | echo_ok()
|
|---|
| 134 | {
|
|---|
| 135 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${SUCCESS} OK ${BRACKET}]"
|
|---|
| 136 | ${ECHO} -e "${NORMAL}"
|
|---|
| 137 | boot_mesg_flush
|
|---|
| 138 |
|
|---|
| 139 | [ -d /run/var ] || return
|
|---|
| 140 | ${ECHO} -e "[ OK ]" >> /run/var/bootlog
|
|---|
| 141 | }
|
|---|
| 142 |
|
|---|
| 143 | echo_failure()
|
|---|
| 144 | {
|
|---|
| 145 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${FAILURE} FAIL ${BRACKET}]"
|
|---|
| 146 | ${ECHO} -e "${NORMAL}"
|
|---|
| 147 | boot_mesg_flush
|
|---|
| 148 |
|
|---|
| 149 | [ -d /run/var ] || return
|
|---|
| 150 | ${ECHO} -e "[ FAIL]" >> /run/var/bootlog
|
|---|
| 151 | }
|
|---|
| 152 |
|
|---|
| 153 | echo_warning()
|
|---|
| 154 | {
|
|---|
| 155 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${WARNING} WARN ${BRACKET}]"
|
|---|
| 156 | ${ECHO} -e "${NORMAL}"
|
|---|
| 157 | boot_mesg_flush
|
|---|
| 158 |
|
|---|
| 159 | [ -d /run/var ] || return
|
|---|
| 160 | ${ECHO} -e "[ WARN ]" >> /run/var/bootlog
|
|---|
| 161 | }
|
|---|
| 162 |
|
|---|
| 163 | echo_skipped()
|
|---|
| 164 | {
|
|---|
| 165 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${WARNING} SKIP ${BRACKET}]"
|
|---|
| 166 | ${ECHO} -e "${NORMAL}"
|
|---|
| 167 | boot_mesg_flush
|
|---|
| 168 |
|
|---|
| 169 | [ -d /run/var ] || return
|
|---|
| 170 | ${ECHO} -e " [ SKIP ]" >> /run/var/bootlog
|
|---|
| 171 | }
|
|---|
| 172 |
|
|---|
| 173 | wait_for_user()
|
|---|
| 174 | {
|
|---|
| 175 | # Wait for the user by default
|
|---|
| 176 | [ "${HEADLESS=0}" = "0" ] && read ENTER
|
|---|
| 177 | }
|
|---|
| 178 |
|
|---|
| 179 | evaluate_retval()
|
|---|
| 180 | {
|
|---|
| 181 | error_value="${?}"
|
|---|
| 182 |
|
|---|
| 183 | if [ ${error_value} = 0 ]; then
|
|---|
| 184 | echo_ok
|
|---|
| 185 | else
|
|---|
| 186 | echo_failure
|
|---|
| 187 | fi
|
|---|
| 188 |
|
|---|
| 189 | # This prevents the 'An Unexpected Error Has Occurred' from trivial
|
|---|
| 190 | # errors.
|
|---|
| 191 | return 0
|
|---|
| 192 | }
|
|---|
| 193 |
|
|---|
| 194 | print_status()
|
|---|
| 195 | {
|
|---|
| 196 | if [ "${#}" = "0" ]; then
|
|---|
| 197 | echo "Usage: ${0} {success|warning|failure}"
|
|---|
| 198 | return 1
|
|---|
| 199 | fi
|
|---|
| 200 |
|
|---|
| 201 | case "${1}" in
|
|---|
| 202 |
|
|---|
| 203 | success)
|
|---|
| 204 | echo_ok
|
|---|
| 205 | ;;
|
|---|
| 206 |
|
|---|
| 207 | warning)
|
|---|
| 208 | # Leave this extra case in because old scripts
|
|---|
| 209 | # may call it this way.
|
|---|
| 210 | case "${2}" in
|
|---|
| 211 | running)
|
|---|
| 212 | ${ECHO} -e -n "${CURS_UP}"
|
|---|
| 213 | ${ECHO} -e -n "\\033[${STRING_LENGTH}G "
|
|---|
| 214 | boot_mesg "Already running." ${WARNING}
|
|---|
| 215 | echo_warning
|
|---|
| 216 | ;;
|
|---|
| 217 | not_running)
|
|---|
| 218 | ${ECHO} -e -n "${CURS_UP}"
|
|---|
| 219 | ${ECHO} -e -n "\\033[${STRING_LENGTH}G "
|
|---|
| 220 | boot_mesg "Not running." ${WARNING}
|
|---|
| 221 | echo_warning
|
|---|
| 222 | ;;
|
|---|
| 223 | not_available)
|
|---|
| 224 | ${ECHO} -e -n "${CURS_UP}"
|
|---|
| 225 | ${ECHO} -e -n "\\033[${STRING_LENGTH}G "
|
|---|
| 226 | boot_mesg "Not available." ${WARNING}
|
|---|
| 227 | echo_warning
|
|---|
| 228 | ;;
|
|---|
| 229 | *)
|
|---|
| 230 | # This is how it is supposed to
|
|---|
| 231 | # be called
|
|---|
| 232 | echo_warning
|
|---|
| 233 | ;;
|
|---|
| 234 | esac
|
|---|
| 235 | ;;
|
|---|
| 236 |
|
|---|
| 237 | failure)
|
|---|
| 238 | echo_failure
|
|---|
| 239 | ;;
|
|---|
| 240 |
|
|---|
| 241 | esac
|
|---|
| 242 |
|
|---|
| 243 | }
|
|---|
| 244 |
|
|---|
| 245 | reloadproc()
|
|---|
| 246 | {
|
|---|
| 247 | local pidfile=""
|
|---|
| 248 | local failure=0
|
|---|
| 249 |
|
|---|
| 250 | while true
|
|---|
| 251 | do
|
|---|
| 252 | case "${1}" in
|
|---|
| 253 | -p)
|
|---|
| 254 | pidfile="${2}"
|
|---|
| 255 | shift 2
|
|---|
| 256 | ;;
|
|---|
| 257 | -*)
|
|---|
| 258 | log_failure_msg "Unknown Option: ${1}"
|
|---|
| 259 | return 2
|
|---|
| 260 | ;;
|
|---|
| 261 | *)
|
|---|
| 262 | break
|
|---|
| 263 | ;;
|
|---|
| 264 | esac
|
|---|
| 265 | done
|
|---|
| 266 |
|
|---|
| 267 | if [ "${#}" -lt "1" ]; then
|
|---|
| 268 | log_failure_msg "Usage: reloadproc [-p pidfile] pathname"
|
|---|
| 269 | return 2
|
|---|
| 270 | fi
|
|---|
| 271 |
|
|---|
| 272 | # This will ensure compatibility with previous LFS Bootscripts
|
|---|
| 273 | if [ -n "${PIDFILE}" ]; then
|
|---|
| 274 | pidfile="${PIDFILE}"
|
|---|
| 275 | fi
|
|---|
| 276 |
|
|---|
| 277 | # Is the process running?
|
|---|
| 278 | if [ -z "${pidfile}" ]; then
|
|---|
| 279 | pidofproc -s "${1}"
|
|---|
| 280 | else
|
|---|
| 281 | pidofproc -s -p "${pidfile}" "${1}"
|
|---|
| 282 | fi
|
|---|
| 283 |
|
|---|
| 284 | # Warn about stale pid file
|
|---|
| 285 | if [ "$?" = 1 ]; then
|
|---|
| 286 | boot_mesg -n "Removing stale pid file: ${pidfile}. " ${WARNING}
|
|---|
| 287 | rm -f "${pidfile}"
|
|---|
| 288 | fi
|
|---|
| 289 |
|
|---|
| 290 | if [ -n "${pidlist}" ]; then
|
|---|
| 291 | for pid in ${pidlist}
|
|---|
| 292 | do
|
|---|
| 293 | kill -"${RELOADSIG}" "${pid}" || failure="1"
|
|---|
| 294 | done
|
|---|
| 295 |
|
|---|
| 296 | (exit ${failure})
|
|---|
| 297 | evaluate_retval
|
|---|
| 298 |
|
|---|
| 299 | else
|
|---|
| 300 | boot_mesg "Process ${1} not running." ${WARNING}
|
|---|
| 301 | echo_warning
|
|---|
| 302 | fi
|
|---|
| 303 | }
|
|---|
| 304 |
|
|---|
| 305 | statusproc()
|
|---|
| 306 | {
|
|---|
| 307 | local pidfile=""
|
|---|
| 308 | local base=""
|
|---|
| 309 | local ret=""
|
|---|
| 310 |
|
|---|
| 311 | while true
|
|---|
| 312 | do
|
|---|
| 313 | case "${1}" in
|
|---|
| 314 | -p)
|
|---|
| 315 | pidfile="${2}"
|
|---|
| 316 | shift 2
|
|---|
| 317 | ;;
|
|---|
| 318 | -*)
|
|---|
| 319 | log_failure_msg "Unknown Option: ${1}"
|
|---|
| 320 | return 2
|
|---|
| 321 | ;;
|
|---|
| 322 | *)
|
|---|
| 323 | break
|
|---|
| 324 | ;;
|
|---|
| 325 | esac
|
|---|
| 326 | done
|
|---|
| 327 |
|
|---|
| 328 | if [ "${#}" != "1" ]; then
|
|---|
| 329 | shift 1
|
|---|
| 330 | log_failure_msg "Usage: statusproc [-p pidfile] pathname"
|
|---|
| 331 | return 2
|
|---|
| 332 | fi
|
|---|
| 333 |
|
|---|
| 334 | # Get the process basename
|
|---|
| 335 | base="${1##*/}"
|
|---|
| 336 |
|
|---|
| 337 | # This will ensure compatibility with previous LFS Bootscripts
|
|---|
| 338 | if [ -n "${PIDFILE}" ]; then
|
|---|
| 339 | pidfile="${PIDFILE}"
|
|---|
| 340 | fi
|
|---|
| 341 |
|
|---|
| 342 | # Is the process running?
|
|---|
| 343 | if [ -z "${pidfile}" ]; then
|
|---|
| 344 | pidofproc -s "${1}"
|
|---|
| 345 | else
|
|---|
| 346 | pidofproc -s -p "${pidfile}" "${1}"
|
|---|
| 347 | fi
|
|---|
| 348 |
|
|---|
| 349 | # Store the return status
|
|---|
| 350 | ret=$?
|
|---|
| 351 |
|
|---|
| 352 | if [ -n "${pidlist}" ]; then
|
|---|
| 353 | ${ECHO} -e "${INFO}${base} is running with Process"\
|
|---|
| 354 | "ID(s) ${pidlist}.${NORMAL}"
|
|---|
| 355 | else
|
|---|
| 356 | if [ -n "${base}" -a -e "/var/run/${base}.pid" ]; then
|
|---|
| 357 | ${ECHO} -e "${WARNING}${1} is not running but"\
|
|---|
| 358 | "/var/run/${base}.pid exists.${NORMAL}"
|
|---|
| 359 | else
|
|---|
| 360 | if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
|
|---|
| 361 | ${ECHO} -e "${WARNING}${1} is not running"\
|
|---|
| 362 | "but ${pidfile} exists.${NORMAL}"
|
|---|
| 363 | else
|
|---|
| 364 | ${ECHO} -e "${INFO}${1} is not running.${NORMAL}"
|
|---|
| 365 | fi
|
|---|
| 366 | fi
|
|---|
| 367 | fi
|
|---|
| 368 |
|
|---|
| 369 | # Return the status from pidofproc
|
|---|
| 370 | return $ret
|
|---|
| 371 | }
|
|---|
| 372 |
|
|---|
| 373 | # The below functions are documented in the LSB-generic 2.1.0
|
|---|
| 374 |
|
|---|
| 375 | #*******************************************************************************
|
|---|
| 376 | # Function - pidofproc [-s] [-p pidfile] pathname
|
|---|
| 377 | #
|
|---|
| 378 | # Purpose: This function returns one or more pid(s) for a particular daemon
|
|---|
| 379 | #
|
|---|
| 380 | # Inputs: -p pidfile, use the specified pidfile instead of pidof
|
|---|
| 381 | # pathname, path to the specified program
|
|---|
| 382 | #
|
|---|
| 383 | # Outputs: return 0 - Success, pid's in stdout
|
|---|
| 384 | # return 1 - Program is dead, pidfile exists
|
|---|
| 385 | # return 2 - Invalid or excessive number of arguments,
|
|---|
| 386 | # warning in stdout
|
|---|
| 387 | # return 3 - Program is not running
|
|---|
| 388 | #
|
|---|
| 389 | # Dependencies: pidof, echo, head
|
|---|
| 390 | #
|
|---|
| 391 | # Todo: Remove dependency on head
|
|---|
| 392 | # This replaces getpids
|
|---|
| 393 | # Test changes to pidof
|
|---|
| 394 | #
|
|---|
| 395 | #*******************************************************************************
|
|---|
| 396 | pidofproc()
|
|---|
| 397 | {
|
|---|
| 398 | local pidfile=""
|
|---|
| 399 | local lpids=""
|
|---|
| 400 | local silent=""
|
|---|
| 401 | pidlist=""
|
|---|
| 402 | while true
|
|---|
| 403 | do
|
|---|
| 404 | case "${1}" in
|
|---|
| 405 | -p)
|
|---|
| 406 | pidfile="${2}"
|
|---|
| 407 | shift 2
|
|---|
| 408 | ;;
|
|---|
| 409 |
|
|---|
| 410 | -s)
|
|---|
| 411 | # Added for legacy opperation of getpids
|
|---|
| 412 | # eliminates several '> /dev/null'
|
|---|
| 413 | silent="1"
|
|---|
| 414 | shift 1
|
|---|
| 415 | ;;
|
|---|
| 416 | -*)
|
|---|
| 417 | log_failure_msg "Unknown Option: ${1}"
|
|---|
| 418 | return 2
|
|---|
| 419 | ;;
|
|---|
| 420 | *)
|
|---|
| 421 | break
|
|---|
| 422 | ;;
|
|---|
| 423 | esac
|
|---|
| 424 | done
|
|---|
| 425 |
|
|---|
| 426 | if [ "${#}" != "1" ]; then
|
|---|
| 427 | shift 1
|
|---|
| 428 | log_failure_msg "Usage: pidofproc [-s] [-p pidfile] pathname"
|
|---|
| 429 | return 2
|
|---|
| 430 | fi
|
|---|
| 431 |
|
|---|
| 432 | if [ -n "${pidfile}" ]; then
|
|---|
| 433 | if [ ! -r "${pidfile}" ]; then
|
|---|
| 434 | return 3 # Program is not running
|
|---|
| 435 | fi
|
|---|
| 436 |
|
|---|
| 437 | lpids=`head -n 1 ${pidfile}`
|
|---|
| 438 | for pid in ${lpids}
|
|---|
| 439 | do
|
|---|
| 440 | if [ "${pid}" -ne "$$" -a "${pid}" -ne "${PPID}" ]; then
|
|---|
| 441 | kill -0 "${pid}" 2>/dev/null &&
|
|---|
| 442 | pidlist="${pidlist} ${pid}"
|
|---|
| 443 | fi
|
|---|
| 444 |
|
|---|
| 445 | if [ "${silent}" != "1" ]; then
|
|---|
| 446 | echo "${pidlist}"
|
|---|
| 447 | fi
|
|---|
| 448 |
|
|---|
| 449 | test -z "${pidlist}" &&
|
|---|
| 450 | # Program is dead, pidfile exists
|
|---|
| 451 | return 1
|
|---|
| 452 | # else
|
|---|
| 453 | return 0
|
|---|
| 454 | done
|
|---|
| 455 |
|
|---|
| 456 | else
|
|---|
| 457 | pidlist=`pidof -o $$ -o $PPID -x "$1"`
|
|---|
| 458 | if [ "${silent}" != "1" ]; then
|
|---|
| 459 | echo "${pidlist}"
|
|---|
| 460 | fi
|
|---|
| 461 |
|
|---|
| 462 | # Get provide correct running status
|
|---|
| 463 | if [ -n "${pidlist}" ]; then
|
|---|
| 464 | return 0
|
|---|
| 465 | else
|
|---|
| 466 | return 3
|
|---|
| 467 | fi
|
|---|
| 468 |
|
|---|
| 469 | fi
|
|---|
| 470 |
|
|---|
| 471 | if [ "$?" != "0" ]; then
|
|---|
| 472 | return 3 # Program is not running
|
|---|
| 473 | fi
|
|---|
| 474 | }
|
|---|
| 475 |
|
|---|
| 476 | #*******************************************************************************
|
|---|
| 477 | # Function - loadproc [-f] [-n nicelevel] [-p pidfile] pathname [args]
|
|---|
| 478 | #
|
|---|
| 479 | # Purpose: This runs the specified program as a daemon
|
|---|
| 480 | #
|
|---|
| 481 | # Inputs: -f, run the program even if it is already running
|
|---|
| 482 | # -n nicelevel, specifies a nice level. See nice(1).
|
|---|
| 483 | # -p pidfile, uses the specified pidfile
|
|---|
| 484 | # pathname, pathname to the specified program
|
|---|
| 485 | # args, arguments to pass to specified program
|
|---|
| 486 | #
|
|---|
| 487 | # Outputs: return 0 - Success
|
|---|
| 488 | # return 2 - Invalid of excessive number of arguments,
|
|---|
| 489 | # warning in stdout
|
|---|
| 490 | # return 4 - Program or service status is unknown
|
|---|
| 491 | #
|
|---|
| 492 | # Dependencies: nice, rm
|
|---|
| 493 | #
|
|---|
| 494 | # Todo: LSB says this should be called start_daemon
|
|---|
| 495 | # LSB does not say that it should call evaluate_retval
|
|---|
| 496 | # It checks for PIDFILE, which is deprecated.
|
|---|
| 497 | # Will be removed after BLFS 6.0
|
|---|
| 498 | # loadproc returns 0 if program is already running, not LSB compliant
|
|---|
| 499 | #
|
|---|
| 500 | #*******************************************************************************
|
|---|
| 501 | loadproc()
|
|---|
| 502 | {
|
|---|
| 503 | local pidfile=""
|
|---|
| 504 | local forcestart=""
|
|---|
| 505 | local nicelevel="10"
|
|---|
| 506 |
|
|---|
| 507 | # This will ensure compatibility with previous LFS Bootscripts
|
|---|
| 508 | if [ -n "${PIDFILE}" ]; then
|
|---|
| 509 | pidfile="${PIDFILE}"
|
|---|
| 510 | fi
|
|---|
| 511 |
|
|---|
| 512 | while true
|
|---|
| 513 | do
|
|---|
| 514 | case "${1}" in
|
|---|
| 515 | -f)
|
|---|
| 516 | forcestart="1"
|
|---|
| 517 | shift 1
|
|---|
| 518 | ;;
|
|---|
| 519 | -n)
|
|---|
| 520 | nicelevel="${2}"
|
|---|
| 521 | shift 2
|
|---|
| 522 | ;;
|
|---|
| 523 | -p)
|
|---|
| 524 | pidfile="${2}"
|
|---|
| 525 | shift 2
|
|---|
| 526 | ;;
|
|---|
| 527 | -*)
|
|---|
| 528 | log_failure_msg "Unknown Option: ${1}"
|
|---|
| 529 | return 2 #invalid or excess argument(s)
|
|---|
| 530 | ;;
|
|---|
| 531 | *)
|
|---|
| 532 | break
|
|---|
| 533 | ;;
|
|---|
| 534 | esac
|
|---|
| 535 | done
|
|---|
| 536 |
|
|---|
| 537 | if [ "${#}" = "0" ]; then
|
|---|
| 538 | log_failure_msg "Usage: loadproc [-f] [-n nicelevel] [-p pidfile] pathname [args]"
|
|---|
| 539 | return 2 #invalid or excess argument(s)
|
|---|
| 540 | fi
|
|---|
| 541 |
|
|---|
| 542 | if [ -z "${forcestart}" ]; then
|
|---|
| 543 | if [ -z "${pidfile}" ]; then
|
|---|
| 544 | pidofproc -s "${1}"
|
|---|
| 545 | else
|
|---|
| 546 | pidofproc -s -p "${pidfile}" "${1}"
|
|---|
| 547 | fi
|
|---|
| 548 |
|
|---|
| 549 | case "${?}" in
|
|---|
| 550 | 0)
|
|---|
| 551 | log_warning_msg "Unable to continue: ${1} is running"
|
|---|
| 552 | return 0 # 4
|
|---|
| 553 | ;;
|
|---|
| 554 | 1)
|
|---|
| 555 | boot_mesg "Removing stale pid file: ${pidfile}" ${WARNING}
|
|---|
| 556 | rm -f "${pidfile}"
|
|---|
| 557 | ;;
|
|---|
| 558 | 3)
|
|---|
| 559 | ;;
|
|---|
| 560 | *)
|
|---|
| 561 | log_failure_msg "Unknown error code from pidofproc: ${?}"
|
|---|
| 562 | return 4
|
|---|
| 563 | ;;
|
|---|
| 564 | esac
|
|---|
| 565 | fi
|
|---|
| 566 |
|
|---|
| 567 | nice -n "${nicelevel}" "${@}"
|
|---|
| 568 | evaluate_retval # This is "Probably" not LSB compliant,
|
|---|
| 569 | # but required to be compatible with older bootscripts
|
|---|
| 570 | return 0
|
|---|
| 571 | }
|
|---|
| 572 |
|
|---|
| 573 | #*******************************************************************************
|
|---|
| 574 | # Function - killproc [-p pidfile] pathname [signal]
|
|---|
| 575 | #
|
|---|
| 576 | # Purpose:
|
|---|
| 577 | #
|
|---|
| 578 | # Inputs: -p pidfile, uses the specified pidfile
|
|---|
| 579 | # pathname, pathname to the specified program
|
|---|
| 580 | # signal, send this signal to pathname
|
|---|
| 581 | #
|
|---|
| 582 | # Outputs: return 0 - Success
|
|---|
| 583 | # return 2 - Invalid of excessive number of arguments,
|
|---|
| 584 | # warning in stdout
|
|---|
| 585 | # return 4 - Unknown Status
|
|---|
| 586 | #
|
|---|
| 587 | # Dependencies: kill, rm
|
|---|
| 588 | #
|
|---|
| 589 | # Todo: LSB does not say that it should call evaluate_retval
|
|---|
| 590 | # It checks for PIDFILE, which is deprecated.
|
|---|
| 591 | # Will be removed after BLFS 6.0
|
|---|
| 592 | #
|
|---|
| 593 | #*******************************************************************************
|
|---|
| 594 | killproc()
|
|---|
| 595 | {
|
|---|
| 596 | local pidfile=""
|
|---|
| 597 | local killsig=TERM # default signal is SIGTERM
|
|---|
| 598 | pidlist=""
|
|---|
| 599 |
|
|---|
| 600 | # This will ensure compatibility with previous LFS Bootscripts
|
|---|
| 601 | if [ -n "${PIDFILE}" ]; then
|
|---|
| 602 | pidfile="${PIDFILE}"
|
|---|
| 603 | fi
|
|---|
| 604 |
|
|---|
| 605 | while true
|
|---|
| 606 | do
|
|---|
| 607 | case "${1}" in
|
|---|
| 608 | -p)
|
|---|
| 609 | pidfile="${2}"
|
|---|
| 610 | shift 2
|
|---|
| 611 | ;;
|
|---|
| 612 | -*)
|
|---|
| 613 | log_failure_msg "Unknown Option: ${1}"
|
|---|
| 614 | return 2
|
|---|
| 615 | ;;
|
|---|
| 616 | *)
|
|---|
| 617 | break
|
|---|
| 618 | ;;
|
|---|
| 619 | esac
|
|---|
| 620 | done
|
|---|
| 621 |
|
|---|
| 622 | if [ "${#}" = "2" ]; then
|
|---|
| 623 | killsig="${2}"
|
|---|
| 624 | elif [ "${#}" != "1" ]; then
|
|---|
| 625 | shift 2
|
|---|
| 626 | log_failure_msg "Usage: killproc [-p pidfile] pathname [signal]"
|
|---|
| 627 | return 2
|
|---|
| 628 | fi
|
|---|
| 629 |
|
|---|
| 630 | # Is the process running?
|
|---|
| 631 | if [ -z "${pidfile}" ]; then
|
|---|
| 632 | pidofproc -s "${1}"
|
|---|
| 633 | else
|
|---|
| 634 | pidofproc -s -p "${pidfile}" "${1}"
|
|---|
| 635 | fi
|
|---|
| 636 |
|
|---|
| 637 | # Remove stale pidfile
|
|---|
| 638 | if [ "$?" = 1 ]; then
|
|---|
| 639 | boot_mesg "Removing stale pid file: ${pidfile}." ${WARNING}
|
|---|
| 640 | rm -f "${pidfile}"
|
|---|
| 641 | fi
|
|---|
| 642 |
|
|---|
| 643 | # If running, send the signal
|
|---|
| 644 | if [ -n "${pidlist}" ]; then
|
|---|
| 645 | for pid in ${pidlist}
|
|---|
| 646 | do
|
|---|
| 647 | kill -${killsig} ${pid} 2>/dev/null
|
|---|
| 648 |
|
|---|
| 649 | # Wait up to 3 seconds, for ${pid} to terminate
|
|---|
| 650 | case "${killsig}" in
|
|---|
| 651 | TERM|SIGTERM|KILL|SIGKILL)
|
|---|
| 652 | # sleep in 1/10ths of seconds and
|
|---|
| 653 | # multiply KILLDELAY by 10
|
|---|
| 654 | local dtime="${KILLDELAY}0"
|
|---|
| 655 | while [ "${dtime}" != "0" ]
|
|---|
| 656 | do
|
|---|
| 657 | kill -0 ${pid} 2>/dev/null || break
|
|---|
| 658 | sleep 0.1
|
|---|
| 659 | dtime=$(( ${dtime} - 1))
|
|---|
| 660 | done
|
|---|
| 661 | # If ${pid} is still running, kill it
|
|---|
| 662 | kill -0 ${pid} 2>/dev/null && kill -KILL ${pid} 2>/dev/null
|
|---|
| 663 | ;;
|
|---|
| 664 | esac
|
|---|
| 665 | done
|
|---|
| 666 |
|
|---|
| 667 | # Check if the process is still running if we tried to stop it
|
|---|
| 668 | case "${killsig}" in
|
|---|
| 669 | TERM|SIGTERM|KILL|SIGKILL)
|
|---|
| 670 | if [ -z "${pidfile}" ]; then
|
|---|
| 671 | pidofproc -s "${1}"
|
|---|
| 672 | else
|
|---|
| 673 | pidofproc -s -p "${pidfile}" "${1}"
|
|---|
| 674 | fi
|
|---|
| 675 |
|
|---|
| 676 | # Program was terminated
|
|---|
| 677 | if [ "$?" != "0" ]; then
|
|---|
| 678 | # Remove the pidfile if necessary
|
|---|
| 679 | if [ -f "${pidfile}" ]; then
|
|---|
| 680 | rm -f "${pidfile}"
|
|---|
| 681 | fi
|
|---|
| 682 | echo_ok
|
|---|
| 683 | return 0
|
|---|
| 684 | else # Program is still running
|
|---|
| 685 | echo_failure
|
|---|
| 686 | return 4 # Unknown Status
|
|---|
| 687 | fi
|
|---|
| 688 | ;;
|
|---|
| 689 | *)
|
|---|
| 690 | # Just see if the kill returned successfully
|
|---|
| 691 | evaluate_retval
|
|---|
| 692 | ;;
|
|---|
| 693 | esac
|
|---|
| 694 | else # process not running
|
|---|
| 695 | print_status warning not_running
|
|---|
| 696 | fi
|
|---|
| 697 | }
|
|---|
| 698 |
|
|---|
| 699 |
|
|---|
| 700 | #*******************************************************************************
|
|---|
| 701 | # Function - log_success_msg "message"
|
|---|
| 702 | #
|
|---|
| 703 | # Purpose: Print a success message
|
|---|
| 704 | #
|
|---|
| 705 | # Inputs: $@ - Message
|
|---|
| 706 | #
|
|---|
| 707 | # Outputs: Text output to screen
|
|---|
| 708 | #
|
|---|
| 709 | # Dependencies: echo
|
|---|
| 710 | #
|
|---|
| 711 | # Todo: logging
|
|---|
| 712 | #
|
|---|
| 713 | #*******************************************************************************
|
|---|
| 714 | log_success_msg()
|
|---|
| 715 | {
|
|---|
| 716 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
|---|
| 717 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${SUCCESS}"" OK ""${BRACKET}""]""${NORMAL}"
|
|---|
| 718 |
|
|---|
| 719 | [ -d /run/var ] || return 0
|
|---|
| 720 | ${ECHO} -n -e "${@} [ OK ]" >> /run/var/bootlog
|
|---|
| 721 | return 0
|
|---|
| 722 | }
|
|---|
| 723 |
|
|---|
| 724 | #*******************************************************************************
|
|---|
| 725 | # Function - log_failure_msg "message"
|
|---|
| 726 | #
|
|---|
| 727 | # Purpose: Print a failure message
|
|---|
| 728 | #
|
|---|
| 729 | # Inputs: $@ - Message
|
|---|
| 730 | #
|
|---|
| 731 | # Outputs: Text output to screen
|
|---|
| 732 | #
|
|---|
| 733 | # Dependencies: echo
|
|---|
| 734 | #
|
|---|
| 735 | # Todo: logging
|
|---|
| 736 | #
|
|---|
| 737 | #*******************************************************************************
|
|---|
| 738 | log_failure_msg() {
|
|---|
| 739 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
|---|
| 740 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${FAILURE}"" FAIL ""${BRACKET}""]""${NORMAL}"
|
|---|
| 741 |
|
|---|
| 742 | [ -d /run/var ] || return 0
|
|---|
| 743 | ${ECHO} -e "${@} [ FAIL ]" >> /run/var/bootlog
|
|---|
| 744 | return 0
|
|---|
| 745 | }
|
|---|
| 746 |
|
|---|
| 747 | #*******************************************************************************
|
|---|
| 748 | # Function - log_warning_msg "message"
|
|---|
| 749 | #
|
|---|
| 750 | # Purpose: print a warning message
|
|---|
| 751 | #
|
|---|
| 752 | # Inputs: $@ - Message
|
|---|
| 753 | #
|
|---|
| 754 | # Outputs: Text output to screen
|
|---|
| 755 | #
|
|---|
| 756 | # Dependencies: echo
|
|---|
| 757 | #
|
|---|
| 758 | # Todo: logging
|
|---|
| 759 | #
|
|---|
| 760 | #*******************************************************************************
|
|---|
| 761 | log_warning_msg() {
|
|---|
| 762 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
|---|
| 763 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${WARNING}"" WARN ""${BRACKET}""]""${NORMAL}"
|
|---|
| 764 |
|
|---|
| 765 | [ -d /run/var ] || return 0
|
|---|
| 766 | ${ECHO} -e "${@} [ WARN ]" >> /run/var/bootlog
|
|---|
| 767 | return 0
|
|---|
| 768 | }
|
|---|
| 769 |
|
|---|
| 770 | #*******************************************************************************
|
|---|
| 771 | # Function - log_skipped_msg "message"
|
|---|
| 772 | #
|
|---|
| 773 | # Purpose: print a message that the script was skipped
|
|---|
| 774 | #
|
|---|
| 775 | # Inputs: $@ - Message
|
|---|
| 776 | #
|
|---|
| 777 | # Outputs: Text output to screen
|
|---|
| 778 | #
|
|---|
| 779 | # Dependencies: echo
|
|---|
| 780 | #
|
|---|
| 781 | # Todo: logging
|
|---|
| 782 | #
|
|---|
| 783 | #*******************************************************************************
|
|---|
| 784 | log_skipped_msg() {
|
|---|
| 785 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
|---|
| 786 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${WARNING}"" SKIP ""${BRACKET}""]""${NORMAL}"
|
|---|
| 787 |
|
|---|
| 788 | [ -d /run/var ] || return 0
|
|---|
| 789 | ${ECHO} -e "${@} [ SKIP ]" >> /run/var/bootlog
|
|---|
| 790 | return 0
|
|---|
| 791 | }
|
|---|
| 792 |
|
|---|
| 793 | # End boot functions
|
|---|
