[7df280d] | 1 | #!/bin/bash
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[7125722] | 2 | ########################################################################
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| 3 | # Begin $rc_base/init.d/functions
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| 4 | #
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| 5 | # Description : Run Level Control Functions
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| 6 | #
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| 7 | # Authors : Gerard Beekmans - gerard@linuxfromscratch.org
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| 8 | #
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| 9 | # Version : 00.00
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| 10 | #
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| 11 | # Notes : With code based on Matthias Benkmann's simpleinit-msb
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| 12 | # http://winterdrache.de/linux/newboot/index.html
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| 13 | #
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| 14 | ########################################################################
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| 15 |
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| 16 | if [ -e /etc/sysconfig/lcd ]; then
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| 17 | if [ -e /dev/lcd ]; then
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| 18 | source /etc/sysconfig/lcd
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| 19 | fi
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| 20 | fi
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| 21 |
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| 22 | if [ -e /etc/sysconfig/bootscripts ]; then
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| 23 | source /etc/sysconfig/bootscripts
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| 24 | fi
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| 25 |
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| 26 | ## Environmental setup
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| 27 | # Setup default values for environment
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| 28 | umask 022
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| 29 | export PATH="/bin:/usr/bin:/sbin:/usr/sbin"
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| 30 |
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| 31 | # Signal sent to running processes to refresh their configuration
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| 32 | RELOADSIG="HUP"
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| 33 |
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| 34 | # Number of seconds between STOPSIG and FALLBACK when stopping processes
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| 35 | KILLDELAY="3"
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| 36 |
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| 37 | ## Screen Dimensions
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| 38 | # Find current screen size
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| 39 | if [ -z "${COLUMNS}" ]; then
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| 40 | COLUMNS=$(stty size)
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| 41 | COLUMNS=${COLUMNS##* }
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| 42 | fi
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| 43 |
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| 44 | # When using remote connections, such as a serial port, stty size returns 0
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| 45 | if [ "${COLUMNS}" = "0" ]; then
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| 46 | COLUMNS=80
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| 47 | fi
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| 48 |
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| 49 | ## Measurements for positioning result messages
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| 50 | COL=$((${COLUMNS} - 8))
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| 51 | WCOL=$((${COL} - 2))
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| 52 |
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[1d02f01] | 53 | ## Provide an echo that supports -e and -n
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| 54 | # If formatting is needed, $ECHO should be used
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| 55 | case "`echo -e -n test`" in
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| 56 | -[en]*)
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| 57 | ECHO=/bin/echo
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| 58 | ;;
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| 59 | *)
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| 60 | ECHO=echo
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| 61 | ;;
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| 62 | esac
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| 63 |
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| 64 | ## Set Cursor Position Commands, used via $ECHO
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[7125722] | 65 | SET_COL="\\033[${COL}G" # at the $COL char
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| 66 | SET_WCOL="\\033[${WCOL}G" # at the $WCOL char
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| 67 | CURS_UP="\\033[1A\\033[0G" # Up one line, at the 0'th char
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| 68 |
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[1d02f01] | 69 | ## Set color commands, used via $ECHO
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[7125722] | 70 | # Please consult `man console_codes for more information
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| 71 | # under the "ECMA-48 Set Graphics Rendition" section
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| 72 | #
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| 73 | # Warning: when switching from a 8bit to a 9bit font,
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| 74 | # the linux console will reinterpret the bold (1;) to
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| 75 | # the top 256 glyphs of the 9bit font. This does
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| 76 | # not affect framebuffer consoles
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| 77 | NORMAL="\\033[0;39m" # Standard console grey
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| 78 | SUCCESS="\\033[1;32m" # Success is green
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| 79 | WARNING="\\033[1;33m" # Warnings are yellow
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| 80 | FAILURE="\\033[1;31m" # Failures are red
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| 81 | INFO="\\033[1;36m" # Information is light cyan
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| 82 | BRACKET="\\033[1;34m" # Brackets are blue
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| 83 |
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| 84 | STRING_LENGTH="0" # the length of the current message
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| 85 |
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| 86 | #*******************************************************************************
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| 87 | # Function - boot_mesg()
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| 88 | #
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| 89 | # Purpose: Sending information from bootup scripts to the console
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| 90 | #
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| 91 | # Inputs: $1 is the message
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| 92 | # $2 is the colorcode for the console
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| 93 | #
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| 94 | # Outputs: Standard Output
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| 95 | #
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| 96 | # Dependencies: - sed for parsing strings.
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| 97 | # - grep for counting string length.
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| 98 | #
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| 99 | # Todo:
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| 100 | #*******************************************************************************
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| 101 | boot_mesg()
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| 102 | {
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| 103 | local ECHOPARM=""
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| 104 |
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| 105 | if [ "$LCD_PROG" ]; then
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| 106 | LCD_OUT1="${1:0:$LCD_CHAR}"
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| 107 | $LCD_PROG "$LCD_OUT1" > /dev/null 2>&1
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| 108 | fi
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| 109 |
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| 110 | while true
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| 111 | do
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| 112 | case "${1}" in
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| 113 | -n)
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| 114 | ECHOPARM=" -n "
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| 115 | shift 1
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| 116 | ;;
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| 117 | -*)
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| 118 | echo "Unknown Option: ${1}"
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| 119 | return 1
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| 120 | ;;
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| 121 | *)
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| 122 | break
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| 123 | ;;
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| 124 | esac
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| 125 | done
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| 126 |
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| 127 | ## Figure out the length of what is to be printed to be used
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[1d02f01] | 128 | ## for warning messages.
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| 129 | STRING_LENGTH=$((${#1} + 1))
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[7125722] | 130 |
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| 131 | # Print the message to the screen
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[1d02f01] | 132 | ${ECHO} ${ECHOPARM} -e "${2}${1}"
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[7125722] | 133 |
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| 134 | }
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| 135 |
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| 136 | boot_mesg_flush()
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| 137 | {
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| 138 | # Reset STRING_LENGTH for next message
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| 139 | STRING_LENGTH="0"
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| 140 | if [ "$LOGGING" ]; then
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| 141 | boot_log "${BOOTMESG}${@}"
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| 142 | fi
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| 143 | }
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| 144 |
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| 145 | boot_log()
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| 146 | {
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| 147 | if [ "$LOGGING" ]; then
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| 148 | /bin/logger -p local2.info -t bootlog "${DISPLAYLOG} ${1}"
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| 149 | else
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| 150 | return 0
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| 151 | fi
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| 152 | }
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| 153 |
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| 154 | echo_ok()
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| 155 | {
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| 156 | if [ "$LCD_PROG" ]; then
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| 157 | if [ "$LCD_LINES" = "2" ]; then
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| 158 | LCD_OUT2="[ OK ]"
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| 159 | $LCD_PROG "$LCD_OUT1" "$LCD_OUT2" > /dev/null 2>&1
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| 160 | else
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| 161 | LCD_OUT2="${LCD_OUT1:0:12} OK"
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| 162 | $LCD_PROG "$LCD_OUT2" > /dev/null 2>&1
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[1d02f01] | 163 | fi
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[7125722] | 164 | fi
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[1d02f01] | 165 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${SUCCESS} OK ${BRACKET}]"
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| 166 | ${ECHO} -e "${NORMAL}"
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| 167 | boot_mesg_flush
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[7125722] | 168 | }
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| 169 |
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| 170 | echo_failure()
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| 171 | {
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| 172 | if [ "$LCD_PROG" ]; then
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| 173 | if [ "$LCD_LINES" = "2" ]; then
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| 174 | LCD_OUT2="[ FAIL ]"
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| 175 | $LCD_PROG "$LCD_OUT1" "$LCD_OUT2" > /dev/null 2>&1
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| 176 | else
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| 177 | LCD_OUT2="${LCD_OUT1:0:10} FAIL"
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| 178 | $LCD_PROG "$LCD_OUT2" > /dev/null 2>&1
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| 179 | fi
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| 180 | fi
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[1d02f01] | 181 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${FAILURE} FAIL ${BRACKET}]"
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| 182 | ${ECHO} -e "${NORMAL}"
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| 183 | boot_mesg_flush
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[7125722] | 184 | }
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| 185 |
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| 186 | echo_warning()
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| 187 | {
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| 188 | if [ "$LCD_PROG" ]; then
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| 189 | if [ "$LCD_LINES" = "2" ]; then
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| 190 | LCD_OUT2="[ WARN ]"
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| 191 | $LCD_PROG "$LCD_OUT1" "$LCD_OUT2" > /dev/null 2>&1
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| 192 | else
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| 193 | LCD_OUT2="${LCD_OUT1:0:10} WARN"
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| 194 | $LCD_PROG "$LCD_OUT2" > /dev/null 2>&1
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[1d02f01] | 195 | fi
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[7125722] | 196 | fi
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[1d02f01] | 197 | ${ECHO} -n -e "${CURS_UP}${SET_COL}${BRACKET}[${WARNING} WARN ${BRACKET}]"
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| 198 | ${ECHO} -e "${NORMAL}"
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| 199 | boot_mesg_flush
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[7125722] | 200 | }
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| 201 |
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| 202 | print_error_msg()
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| 203 | {
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| 204 | echo_failure
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| 205 | # $i is inherited by the rc script
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| 206 | boot_log "\n\n${i} failed and exited with a return value of ${error_value}."
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| 207 | boot_mesg -n "FAILURE:\n\nYou should not be reading this error message.\n\n" ${FAILURE}
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| 208 | boot_mesg -n " It means that an unforeseen error took"
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| 209 | boot_mesg -n " place in ${i}, which exited with a return value of"
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| 210 | boot_mesg " ${error_value}.\n"
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| 211 | boot_mesg_flush
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| 212 | boot_mesg -n "If you're able to track this"
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| 213 | boot_mesg -n " error down to a bug in one of the files provided by"
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| 214 | boot_mesg -n " the CLFS book, please be so kind to inform us at"
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| 215 | boot_mesg " clfs-dev@cross-lfs.org.\n"
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| 216 | boot_mesg_flush
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[1d02f01] | 217 | boot_mesg -n "Press Enter to continue..." ${INFO}
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| 218 | boot_mesg "" ${NORMAL}
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| 219 | read ENTER
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[7125722] | 220 | }
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| 221 |
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| 222 | check_script_status()
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| 223 | {
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| 224 | # $i is inherited by the rc script
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| 225 | if [ ! -f ${i} ]; then
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| 226 | boot_mesg "${i} is not a valid symlink." ${WARNING}
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| 227 | echo_warning
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| 228 | continue
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| 229 | fi
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| 230 |
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| 231 | if [ ! -x ${i} ]; then
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| 232 | boot_mesg "${i} is not executable, skipping." ${WARNING}
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| 233 | echo_warning
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| 234 | continue
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| 235 | fi
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| 236 | }
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| 237 |
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| 238 | evaluate_retval()
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| 239 | {
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| 240 | error_value="${?}"
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| 241 |
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| 242 | if [ ${error_value} = 0 ]; then
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| 243 | echo_ok
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| 244 | else
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| 245 | echo_failure
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| 246 | fi
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| 247 |
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| 248 | # This prevents the 'An Unexpected Error Has Occurred' from trivial
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| 249 | # errors.
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| 250 | return 0
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| 251 | }
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| 252 |
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| 253 | print_status()
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| 254 | {
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| 255 | if [ "${#}" = "0" ]; then
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| 256 | echo "Usage: ${0} {success|warning|failure}"
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| 257 | return 1
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| 258 | fi
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| 259 |
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| 260 | case "${1}" in
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| 261 |
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| 262 | success)
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| 263 | echo_ok
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| 264 | ;;
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| 265 |
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| 266 | warning)
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| 267 | # Leave this extra case in because old scripts
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| 268 | # may call it this way.
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| 269 | case "${2}" in
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| 270 | running)
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[1d02f01] | 271 | ${ECHO} -e -n "${CURS_UP}"
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| 272 | ${ECHO} -e -n "\\033[${STRING_LENGTH}G "
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[7125722] | 273 | boot_mesg "Already running." ${WARNING}
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| 274 | echo_warning
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| 275 | ;;
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| 276 | not_running)
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[1d02f01] | 277 | ${ECHO} -e -n "${CURS_UP}"
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| 278 | ${ECHO} -e -n "\\033[${STRING_LENGTH}G "
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[7125722] | 279 | boot_mesg "Not running." ${WARNING}
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| 280 | echo_warning
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| 281 | ;;
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| 282 | not_available)
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[1d02f01] | 283 | ${ECHO} -e -n "${CURS_UP}"
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| 284 | ${ECHO} -e -n "\\033[${STRING_LENGTH}G "
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[7125722] | 285 | boot_mesg "Not available." ${WARNING}
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| 286 | echo_warning
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| 287 | ;;
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| 288 | *)
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| 289 | # This is how it is supposed to
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| 290 | # be called
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| 291 | echo_warning
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| 292 | ;;
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| 293 | esac
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| 294 | ;;
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| 295 |
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| 296 | failure)
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| 297 | echo_failure
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| 298 | ;;
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| 299 |
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| 300 | esac
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| 301 |
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| 302 | }
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| 303 |
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| 304 | reloadproc()
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| 305 | {
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[1d02f01] | 306 | local pidfile=""
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| 307 | local failure=0
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| 308 |
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| 309 | while true
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| 310 | do
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| 311 | case "${1}" in
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| 312 | -p)
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| 313 | pidfile="${2}"
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| 314 | shift 2
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| 315 | ;;
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| 316 | -*)
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| 317 | log_failure_msg "Unknown Option: ${1}"
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| 318 | return 2
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| 319 | ;;
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| 320 | *)
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| 321 | break
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| 322 | ;;
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| 323 | esac
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| 324 | done
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| 325 |
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| 326 | if [ "${#}" -lt "1" ]; then
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| 327 | log_failure_msg "Usage: reloadproc [-p pidfile] pathname"
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| 328 | return 2
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| 329 | fi
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| 330 |
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| 331 | # This will ensure compatibility with previous CLFS Bootscripts
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| 332 | if [ -n "${PIDFILE}" ]; then
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| 333 | pidfile="${PIDFILE}"
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[7125722] | 334 | fi
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| 335 |
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[1d02f01] | 336 | # Is the process running?
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| 337 | if [ -z "${pidfile}" ]; then
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| 338 | pidofproc -s "${1}"
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| 339 | else
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| 340 | pidofproc -s -p "${pidfile}" "${1}"
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| 341 | fi
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[7125722] | 342 |
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| 343 | if [ -n "${pidlist}" ]; then
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| 344 | for pid in ${pidlist}
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| 345 | do
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| 346 | kill -"${RELOADSIG}" "${pid}" || failure="1"
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| 347 | done
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| 348 |
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| 349 | (exit ${failure})
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| 350 | evaluate_retval
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| 351 |
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| 352 | else
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| 353 | boot_mesg "Process ${1} not running." ${WARNING}
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| 354 | echo_warning
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| 355 | fi
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| 356 | }
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| 357 |
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| 358 | statusproc()
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| 359 | {
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[1d02f01] | 360 | local pidfile=""
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| 361 | local base=""
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| 362 | local ret=""
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| 363 |
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| 364 | while true
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| 365 | do
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| 366 | case "${1}" in
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| 367 | -p)
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| 368 | pidfile="${2}"
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| 369 | shift 2
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| 370 | ;;
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| 371 | -*)
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| 372 | log_failure_msg "Unknown Option: ${1}"
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| 373 | return 2
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| 374 | ;;
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| 375 | *)
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| 376 | break
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| 377 | ;;
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| 378 | esac
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| 379 | done
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| 380 |
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| 381 | if [ "${#}" != "1" ]; then
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| 382 | shift 1
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| 383 | log_failure_msg "Usage: statusproc [-p pidfile] pathname"
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| 384 | return 2
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[7125722] | 385 | fi
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| 386 |
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[1d02f01] | 387 | # Get the process basename
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| 388 | base="${1##*/}"
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| 389 |
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| 390 | # This will ensure compatibility with previous CLFS Bootscripts
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| 391 | if [ -n "${PIDFILE}" ]; then
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| 392 | pidfile="${PIDFILE}"
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| 393 | fi
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| 394 |
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| 395 | # Is the process running?
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| 396 | if [ -z "${pidfile}" ]; then
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| 397 | pidofproc -s "${1}"
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| 398 | else
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| 399 | pidofproc -s -p "${pidfile}" "${1}"
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| 400 | fi
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| 401 |
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| 402 | # Store the return status
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| 403 | ret=$?
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[7125722] | 404 |
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| 405 | if [ -n "${pidlist}" ]; then
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[1d02f01] | 406 | ${ECHO} -e "${INFO}${base} is running with Process"\
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[7125722] | 407 | "ID(s) ${pidlist}.${NORMAL}"
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| 408 | else
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| 409 | if [ -n "${base}" -a -e "/var/run/${base}.pid" ]; then
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[1d02f01] | 410 | ${ECHO} -e "${WARNING}${1} is not running but"\
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[7125722] | 411 | "/var/run/${base}.pid exists.${NORMAL}"
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| 412 | else
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[1d02f01] | 413 | if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
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| 414 | ${ECHO} -e "${WARNING}${1} is not running"\
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| 415 | "but ${pidfile} exists.${NORMAL}"
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[7125722] | 416 | else
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[1d02f01] | 417 | ${ECHO} -e "${INFO}${1} is not running.${NORMAL}"
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[7125722] | 418 | fi
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| 419 | fi
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| 420 | fi
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[1d02f01] | 421 |
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| 422 | # Return the status from pidofproc
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| 423 | return $ret
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[7125722] | 424 | }
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| 425 |
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| 426 | # The below functions are documented in the LSB-generic 2.1.0
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| 427 |
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| 428 | #*******************************************************************************
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| 429 | # Function - pidofproc [-s] [-p pidfile] pathname
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| 430 | #
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| 431 | # Purpose: This function returns one or more pid(s) for a particular daemon
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| 432 | #
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| 433 | # Inputs: -p pidfile, use the specified pidfile instead of pidof
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| 434 | # pathname, path to the specified program
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| 435 | #
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| 436 | # Outputs: return 0 - Success, pid's in stdout
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| 437 | # return 1 - Program is dead, pidfile exists
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| 438 | # return 2 - Invalid or excessive number of arguments,
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| 439 | # warning in stdout
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| 440 | # return 3 - Program is not running
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| 441 | #
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| 442 | # Dependencies: pidof, echo, head
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| 443 | #
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| 444 | # Todo: Remove dependency on head
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| 445 | # This depreciates getpids
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| 446 | # Test changes to pidof
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| 447 | #
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| 448 | #*******************************************************************************
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| 449 | pidofproc()
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| 450 | {
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| 451 | local pidfile=""
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| 452 | local lpids=""
|
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| 453 | local silent=""
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| 454 | pidlist=""
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| 455 | while true
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| 456 | do
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| 457 | case "${1}" in
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| 458 | -p)
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| 459 | pidfile="${2}"
|
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| 460 | shift 2
|
---|
| 461 | ;;
|
---|
| 462 |
|
---|
| 463 | -s)
|
---|
| 464 | # Added for legacy opperation of getpids
|
---|
| 465 | # eliminates several '> /dev/null'
|
---|
| 466 | silent="1"
|
---|
| 467 | shift 1
|
---|
| 468 | ;;
|
---|
| 469 | -*)
|
---|
| 470 | log_failure_msg "Unknown Option: ${1}"
|
---|
| 471 | return 2
|
---|
| 472 | ;;
|
---|
| 473 | *)
|
---|
| 474 | break
|
---|
| 475 | ;;
|
---|
| 476 | esac
|
---|
| 477 | done
|
---|
| 478 |
|
---|
| 479 | if [ "${#}" != "1" ]; then
|
---|
| 480 | shift 1
|
---|
| 481 | log_failure_msg "Usage: pidofproc [-s] [-p pidfile] pathname"
|
---|
| 482 | return 2
|
---|
| 483 | fi
|
---|
| 484 |
|
---|
| 485 | if [ -n "${pidfile}" ]; then
|
---|
| 486 | if [ ! -r "${pidfile}" ]; then
|
---|
| 487 | return 3 # Program is not running
|
---|
| 488 | fi
|
---|
| 489 |
|
---|
| 490 | lpids=`head -n 1 ${pidfile}`
|
---|
| 491 | for pid in ${lpids}
|
---|
| 492 | do
|
---|
| 493 | if [ "${pid}" -ne "$$" -a "${pid}" -ne "${PPID}" ]; then
|
---|
[1d02f01] | 494 | kill -0 "${pid}" 2>/dev/null &&
|
---|
[7125722] | 495 | pidlist="${pidlist} ${pid}"
|
---|
| 496 | fi
|
---|
| 497 |
|
---|
[1d02f01] | 498 | if [ "${silent}" != "1" ]; then
|
---|
[7125722] | 499 | echo "${pidlist}"
|
---|
| 500 | fi
|
---|
| 501 |
|
---|
| 502 | test -z "${pidlist}" &&
|
---|
| 503 | # Program is dead, pidfile exists
|
---|
| 504 | return 1
|
---|
| 505 | # else
|
---|
| 506 | return 0
|
---|
| 507 | done
|
---|
| 508 |
|
---|
| 509 | else
|
---|
| 510 | pidlist=`pidof -o $$ -o $PPID -x "$1"`
|
---|
[1d02f01] | 511 | if [ "${silent}" != "1" ]; then
|
---|
[7125722] | 512 | echo "${pidlist}"
|
---|
| 513 | fi
|
---|
| 514 |
|
---|
| 515 | # Get provide correct running status
|
---|
| 516 | if [ -n "${pidlist}" ]; then
|
---|
| 517 | return 0
|
---|
| 518 | else
|
---|
| 519 | return 3
|
---|
| 520 | fi
|
---|
| 521 |
|
---|
| 522 | fi
|
---|
| 523 |
|
---|
| 524 | if [ "$?" != "0" ]; then
|
---|
| 525 | return 3 # Program is not running
|
---|
| 526 | fi
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | # This will ensure compatibility with previous CLFS Bootscripts
|
---|
| 530 | getpids()
|
---|
| 531 | {
|
---|
| 532 | if [ -z "${PIDFILE}" ]; then
|
---|
| 533 | pidofproc -s -p "${PIDFILE}" $@
|
---|
| 534 | else
|
---|
| 535 | pidofproc -s $@
|
---|
| 536 | fi
|
---|
| 537 | base="${1##*/}"
|
---|
| 538 | }
|
---|
| 539 |
|
---|
| 540 | #*******************************************************************************
|
---|
| 541 | # Function - loadproc [-f] [-n nicelevel] [-p pidfile] pathname [args]
|
---|
| 542 | #
|
---|
| 543 | # Purpose: This runs the specified program as a daemon
|
---|
| 544 | #
|
---|
| 545 | # Inputs: -f, run the program even if it is already running
|
---|
| 546 | # -n nicelevel, specifies a nice level. See nice(1).
|
---|
| 547 | # -p pidfile, uses the specified pidfile
|
---|
| 548 | # pathname, pathname to the specified program
|
---|
| 549 | # args, arguments to pass to specified program
|
---|
| 550 | #
|
---|
| 551 | # Outputs: return 0 - Success
|
---|
| 552 | # return 2 - Invalid of excessive number of arguments,
|
---|
| 553 | # warning in stdout
|
---|
| 554 | # return 4 - Program or service status is unknown
|
---|
| 555 | #
|
---|
| 556 | # Dependencies: nice
|
---|
| 557 | #
|
---|
| 558 | # Todo: LSB says this should be called start_daemon
|
---|
| 559 | # LSB does not say that it should call evaluate_retval
|
---|
| 560 | # It checks for PIDFILE, which is deprecated.
|
---|
| 561 | # Will be removed after BLFS 6.0
|
---|
| 562 | # loadproc returns 0 if program is already running, not LSB compliant
|
---|
| 563 | #
|
---|
| 564 | #*******************************************************************************
|
---|
| 565 | loadproc()
|
---|
| 566 | {
|
---|
| 567 | local pidfile=""
|
---|
| 568 | local forcestart=""
|
---|
| 569 | local nicelevel="10"
|
---|
| 570 |
|
---|
| 571 | # This will ensure compatibility with previous CLFS Bootscripts
|
---|
| 572 | if [ -n "${PIDFILE}" ]; then
|
---|
| 573 | pidfile="${PIDFILE}"
|
---|
| 574 | fi
|
---|
| 575 |
|
---|
| 576 | while true
|
---|
| 577 | do
|
---|
| 578 | case "${1}" in
|
---|
| 579 | -f)
|
---|
| 580 | forcestart="1"
|
---|
| 581 | shift 1
|
---|
| 582 | ;;
|
---|
| 583 | -n)
|
---|
| 584 | nicelevel="${2}"
|
---|
| 585 | shift 2
|
---|
| 586 | ;;
|
---|
| 587 | -p)
|
---|
| 588 | pidfile="${2}"
|
---|
| 589 | shift 2
|
---|
| 590 | ;;
|
---|
| 591 | -*)
|
---|
| 592 | log_failure_msg "Unknown Option: ${1}"
|
---|
| 593 | return 2 #invalid or excess argument(s)
|
---|
| 594 | ;;
|
---|
| 595 | *)
|
---|
| 596 | break
|
---|
| 597 | ;;
|
---|
| 598 | esac
|
---|
| 599 | done
|
---|
| 600 |
|
---|
| 601 | if [ "${#}" = "0" ]; then
|
---|
| 602 | log_failure_msg "Usage: loadproc [-f] [-n nicelevel] [-p pidfile] pathname [args]"
|
---|
| 603 | return 2 #invalid or excess argument(s)
|
---|
| 604 | fi
|
---|
| 605 |
|
---|
| 606 | if [ -z "${forcestart}" ]; then
|
---|
| 607 | if [ -z "${pidfile}" ]; then
|
---|
| 608 | pidofproc -s "${1}"
|
---|
| 609 | else
|
---|
| 610 | pidofproc -s -p "${pidfile}" "${1}"
|
---|
| 611 | fi
|
---|
| 612 |
|
---|
| 613 | case "${?}" in
|
---|
| 614 | 0)
|
---|
| 615 | log_warning_msg "Unable to continue: ${1} is running"
|
---|
| 616 | return 0 # 4
|
---|
| 617 | ;;
|
---|
| 618 | 1)
|
---|
| 619 | log_warning_msg "Unable to continue: ${pidfile} exists"
|
---|
| 620 | return 0 # 4
|
---|
| 621 | ;;
|
---|
| 622 | 3)
|
---|
| 623 | ;;
|
---|
| 624 | *)
|
---|
| 625 | log_failure_msg "Unknown error code from pidofproc: ${?}"
|
---|
| 626 | return 4
|
---|
| 627 | ;;
|
---|
| 628 | esac
|
---|
| 629 | fi
|
---|
| 630 |
|
---|
| 631 | nice -n "${nicelevel}" "${@}"
|
---|
| 632 | evaluate_retval # This is "Probably" not LSB compliant, but required to be compatible with older bootscripts
|
---|
| 633 | return 0
|
---|
| 634 | }
|
---|
| 635 |
|
---|
| 636 | #*******************************************************************************
|
---|
| 637 | # Function - killproc [-p pidfile] pathname [signal]
|
---|
| 638 | #
|
---|
| 639 | # Purpose:
|
---|
| 640 | #
|
---|
| 641 | # Inputs: -p pidfile, uses the specified pidfile
|
---|
| 642 | # pathname, pathname to the specified program
|
---|
| 643 | # signal, send this signal to pathname
|
---|
| 644 | #
|
---|
| 645 | # Outputs: return 0 - Success
|
---|
| 646 | # return 2 - Invalid of excessive number of arguments,
|
---|
| 647 | # warning in stdout
|
---|
| 648 | # return 4 - Unknown Status
|
---|
| 649 | #
|
---|
[7355219] | 650 | # Dependencies: kill, sleep
|
---|
[7125722] | 651 | #
|
---|
| 652 | # Todo: LSB does not say that it should call evaluate_retval
|
---|
| 653 | # It checks for PIDFILE, which is deprecated.
|
---|
| 654 | # Will be removed after BLFS 6.0
|
---|
| 655 | #
|
---|
| 656 | #*******************************************************************************
|
---|
| 657 | killproc()
|
---|
| 658 | {
|
---|
| 659 | local pidfile=""
|
---|
[1d02f01] | 660 | local killsig=TERM # default signal is SIGTERM
|
---|
[7125722] | 661 | pidlist=""
|
---|
| 662 |
|
---|
[1d02f01] | 663 | # This will ensure compatibility with previous CLFS Bootscripts
|
---|
[7125722] | 664 | if [ -n "${PIDFILE}" ]; then
|
---|
| 665 | pidfile="${PIDFILE}"
|
---|
| 666 | fi
|
---|
| 667 |
|
---|
| 668 | while true
|
---|
| 669 | do
|
---|
| 670 | case "${1}" in
|
---|
| 671 | -p)
|
---|
| 672 | pidfile="${2}"
|
---|
| 673 | shift 2
|
---|
| 674 | ;;
|
---|
| 675 | -*)
|
---|
| 676 | log_failure_msg "Unknown Option: ${1}"
|
---|
| 677 | return 2
|
---|
[1d02f01] | 678 | ;;
|
---|
[7125722] | 679 | *)
|
---|
| 680 | break
|
---|
| 681 | ;;
|
---|
| 682 | esac
|
---|
| 683 | done
|
---|
| 684 |
|
---|
| 685 | if [ "${#}" = "2" ]; then
|
---|
| 686 | killsig="${2}"
|
---|
| 687 | elif [ "${#}" != "1" ]; then
|
---|
| 688 | shift 2
|
---|
| 689 | log_failure_msg "Usage: killproc [-p pidfile] pathname [signal]"
|
---|
| 690 | return 2
|
---|
| 691 | fi
|
---|
| 692 |
|
---|
[1d02f01] | 693 | # Is the process running?
|
---|
[7125722] | 694 | if [ -z "${pidfile}" ]; then
|
---|
| 695 | pidofproc -s "${1}"
|
---|
| 696 | else
|
---|
| 697 | pidofproc -s -p "${pidfile}" "${1}"
|
---|
| 698 | fi
|
---|
| 699 |
|
---|
[1d02f01] | 700 | # If running, send the signal
|
---|
[7125722] | 701 | if [ -n "${pidlist}" ]; then
|
---|
| 702 | for pid in ${pidlist}
|
---|
| 703 | do
|
---|
[1d02f01] | 704 | kill -${killsig} ${pid} 2>/dev/null
|
---|
| 705 |
|
---|
| 706 | # Wait up to 3 seconds, for ${pid} to terminate
|
---|
| 707 | case "${killsig}" in
|
---|
| 708 | TERM|SIGTERM|KILL|SIGKILL)
|
---|
| 709 | # sleep in 1/10ths of seconds and
|
---|
| 710 | # multiply KILLDELAY by 10
|
---|
| 711 | local dtime="${KILLDELAY}0"
|
---|
[7125722] | 712 | while [ "${dtime}" != "0" ]
|
---|
| 713 | do
|
---|
| 714 | kill -0 ${pid} 2>/dev/null || break
|
---|
[1d02f01] | 715 | sleep 0.1
|
---|
[7125722] | 716 | dtime=$(( ${dtime} - 1))
|
---|
| 717 | done
|
---|
| 718 | # If ${pid} is still running, kill it
|
---|
| 719 | kill -0 ${pid} 2>/dev/null && kill -KILL ${pid} 2>/dev/null
|
---|
[1d02f01] | 720 | ;;
|
---|
| 721 | esac
|
---|
[7125722] | 722 | done
|
---|
| 723 |
|
---|
[1d02f01] | 724 | # Check if the process is still running if we tried to stop it
|
---|
| 725 | case "${killsig}" in
|
---|
| 726 | TERM|SIGTERM|KILL|SIGKILL)
|
---|
| 727 | if [ -z "${pidfile}" ]; then
|
---|
| 728 | pidofproc -s "${1}"
|
---|
| 729 | else
|
---|
| 730 | pidofproc -s -p "${pidfile}" "${1}"
|
---|
| 731 | fi
|
---|
[7125722] | 732 |
|
---|
| 733 | # Program was terminated
|
---|
| 734 | if [ "$?" != "0" ]; then
|
---|
[1d02f01] | 735 | # Remove the pidfile if necessary
|
---|
[7125722] | 736 | if [ -f "${pidfile}" ]; then
|
---|
| 737 | rm -f "${pidfile}"
|
---|
| 738 | fi
|
---|
| 739 | echo_ok
|
---|
| 740 | return 0
|
---|
| 741 | else # Program is still running
|
---|
| 742 | echo_failure
|
---|
| 743 | return 4 # Unknown Status
|
---|
| 744 | fi
|
---|
[1d02f01] | 745 | ;;
|
---|
| 746 | *)
|
---|
| 747 | # Just see if the kill returned successfully
|
---|
| 748 | evaluate_retval
|
---|
| 749 | ;;
|
---|
| 750 | esac
|
---|
| 751 | else # process not running
|
---|
[7125722] | 752 | print_status warning not_running
|
---|
| 753 | fi
|
---|
| 754 | }
|
---|
| 755 |
|
---|
| 756 |
|
---|
| 757 | #*******************************************************************************
|
---|
| 758 | # Function - log_success_msg "message"
|
---|
| 759 | #
|
---|
| 760 | # Purpose: Print a success message
|
---|
| 761 | #
|
---|
| 762 | # Inputs: $@ - Message
|
---|
| 763 | #
|
---|
| 764 | # Outputs: Text output to screen
|
---|
| 765 | #
|
---|
| 766 | # Dependencies: echo
|
---|
| 767 | #
|
---|
| 768 | # Todo: logging
|
---|
| 769 | #
|
---|
| 770 | #*******************************************************************************
|
---|
| 771 | log_success_msg()
|
---|
| 772 | {
|
---|
[1d02f01] | 773 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
---|
| 774 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${SUCCESS}"" OK ""${BRACKET}""]""${NORMAL}"
|
---|
[7125722] | 775 | return 0
|
---|
| 776 | }
|
---|
| 777 |
|
---|
| 778 | #*******************************************************************************
|
---|
| 779 | # Function - log_failure_msg "message"
|
---|
| 780 | #
|
---|
| 781 | # Purpose: Print a failure message
|
---|
| 782 | #
|
---|
| 783 | # Inputs: $@ - Message
|
---|
| 784 | #
|
---|
| 785 | # Outputs: Text output to screen
|
---|
| 786 | #
|
---|
| 787 | # Dependencies: echo
|
---|
| 788 | #
|
---|
| 789 | # Todo: logging
|
---|
| 790 | #
|
---|
| 791 | #*******************************************************************************
|
---|
| 792 | log_failure_msg() {
|
---|
[1d02f01] | 793 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
---|
| 794 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${FAILURE}"" FAIL ""${BRACKET}""]""${NORMAL}"
|
---|
[7125722] | 795 | return 0
|
---|
| 796 | }
|
---|
| 797 |
|
---|
| 798 | #*******************************************************************************
|
---|
| 799 | # Function - log_warning_msg "message"
|
---|
| 800 | #
|
---|
| 801 | # Purpose: print a warning message
|
---|
| 802 | #
|
---|
| 803 | # Inputs: $@ - Message
|
---|
| 804 | #
|
---|
| 805 | # Outputs: Text output to screen
|
---|
| 806 | #
|
---|
| 807 | # Dependencies: echo
|
---|
| 808 | #
|
---|
| 809 | # Todo: logging
|
---|
| 810 | #
|
---|
| 811 | #*******************************************************************************
|
---|
| 812 | log_warning_msg() {
|
---|
[1d02f01] | 813 | ${ECHO} -n -e "${BOOTMESG_PREFIX}${@}"
|
---|
| 814 | ${ECHO} -e "${SET_COL}""${BRACKET}""[""${WARNING}"" WARN ""${BRACKET}""]""${NORMAL}"
|
---|
[7125722] | 815 | return 0
|
---|
| 816 | }
|
---|
| 817 |
|
---|
| 818 | # End $rc_base/init.d/functions
|
---|