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Commit3596528

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committed
Add more portability to echo -n (code stolen from createlang)
Do not start postmaster if postgres is running
1 parentbd62e06 commit3596528

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1 file changed

+62
-36
lines changed

1 file changed

+62
-36
lines changed

‎src/bin/pg_ctl/pg_ctl.sh

Lines changed: 62 additions & 36 deletions
Original file line numberDiff line numberDiff line change
@@ -8,21 +8,33 @@
88
#
99
#
1010
# IDENTIFICATION
11-
# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.5 1999/12/22 04:41:17 ishii Exp $
11+
# $Header: /cvsroot/pgsql/src/bin/pg_ctl/Attic/pg_ctl.sh,v 1.6 2000/01/09 12:06:52 ishii Exp $
1212
#
1313
#-------------------------------------------------------------------------
1414
CMDNAME=`basename$0`
1515

16+
# Check for echo -n vs echo \c
17+
18+
ECHO=echo
19+
ifecho'\c'| grep -s c>/dev/null2>&1
20+
then
21+
ECHO_N="echo -n"
22+
ECHO_C=""
23+
else
24+
ECHO_N="echo"
25+
ECHO_C='\c'
26+
fi
27+
1628
#
1729
# Find out where we're located
1830
#
19-
ifecho"$0"| grep'/'> /dev/null2>&1
31+
if$ECHO"$0"| grep'/'> /dev/null2>&1
2032
then
2133
# explicit dir name given
22-
PGPATH=`echo$0| sed's,/[^/]*$,,'`# (dirname command is not portable)
34+
PGPATH=`$ECHO$0| sed's,/[^/]*$,,'`# (dirname command is not portable)
2335
else
2436
# look for it in PATH ('which' command is not portable)
25-
fordirin`echo"$PATH"| sed's/:/ /g'`
37+
fordirin`$ECHO"$PATH"| sed's/:/ /g'`
2638
do
2739
# empty entry in path means current dir
2840
[-z"$dir" ]&& dir='.'
@@ -39,12 +51,12 @@ for prog in postmaster
3951
do
4052
if [!-x"$PGPATH/$prog" ]
4153
then
42-
echo"The program$prog needed by$CMDNAME could not be found. It was"
43-
echo"expected at:"
44-
echo"$PGPATH/$prog"
45-
echo"If this is not the correct directory, please start$CMDNAME"
46-
echo"with a full search path. Otherwise make sure that the program"
47-
echo"was installed successfully."
54+
$ECHO"The program$prog needed by$CMDNAME could not be found. It was"
55+
$ECHO"expected at:"
56+
$ECHO"$PGPATH/$prog"
57+
$ECHO"If this is not the correct directory, please start$CMDNAME"
58+
$ECHO"with a full search path. Otherwise make sure that the program"
59+
$ECHO"was installed successfully."
4860
exit 1
4961
fi
5062
done
@@ -79,7 +91,7 @@ do
7991
sig="-QUIT"
8092
;;
8193
*)
82-
echo"$CMDNAME: Wrong shutdown mode$sigopt"
94+
$ECHO"$CMDNAME: Wrong shutdown mode$sigopt"
8395
usage=1
8496
;;
8597
esac
@@ -112,15 +124,15 @@ do
112124
done
113125

114126
if ["$usage"= 1-o"$op"="" ];then
115-
echo"Usage:$CMDNAME [-w][-D database_dir][-p path_to_postmaster][-o\"postmaster_opts\"] start"
116-
echo"$CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]] stop"
117-
echo"$CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o\"postmaster_opts\"] restart"
118-
echo"$CMDNAME [-D database_dir] status"
127+
$ECHO"Usage:$CMDNAME [-w][-D database_dir][-p path_to_postmaster][-o\"postmaster_opts\"] start"
128+
$ECHO"$CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]] stop"
129+
$ECHO"$CMDNAME [-w][-D database_dir][-m s[mart]|f[ast]|i[mmediate]][-o\"postmaster_opts\"] restart"
130+
$ECHO"$CMDNAME [-D database_dir] status"
119131
exit 1
120132
fi
121133

122134
if [-z"$PGDATA" ];then
123-
echo"$CMDNAME: No database directory or environment variable\$PGDATA is specified"
135+
$ECHO"$CMDNAME: No database directory or environment variable\$PGDATA is specified"
124136
exit 1
125137
fi
126138

@@ -130,49 +142,63 @@ PIDFILE=$PGDATA/postmaster.pid
130142

131143
if [$op="status" ];then
132144
if [-f$PIDFILE ];then
133-
echo"$CMDNAME: postmaster is running (pid:`cat$PIDFILE`)"
134-
echo"options are:"
135-
echo"`cat$POSTOPTSFILE`"
145+
PID=`cat$PIDFILE`
146+
if [$PID-lt 0 ];then
147+
PID=`expr 0 -$PID`
148+
$ECHO"$CMDNAME: postgres is running (pid:$PID)"
149+
else
150+
$ECHO"$CMDNAME: postmaster is running (pid:$PID)"
151+
$ECHO"options are:"
152+
$ECHO"`cat$POSTOPTSFILE`"
153+
fi
136154
exit 0
137155
else
138-
echo"$CMDNAME: postmaster is not running"
156+
$ECHO"$CMDNAME: postmaster or postgres is not running"
139157
exit 1
140158
fi
141159
fi
142160

143161
if [$op="stop"-o$op="restart" ];then
144162
if [-f$PIDFILE ];then
163+
PID=`cat$PIDFILE`
164+
if [$PID-lt 0 ];then
165+
PID=`expr 0 -$PID`
166+
$ECHO"$CMDNAME: Cannot restart postmaster. postgres is running (pid:$PID)"
167+
$ECHO"Please terminate postgres and try again"
168+
exit 1
169+
fi
170+
145171
kill$sig`cat$PIDFILE`
146172

147173
# wait for postmaster shutting down
148174
if ["$wait"= 1-o$op="restart" ];then
149175
cnt=0
150-
echo -n"Waiting for postmaster shutting down.."
176+
$ECHO_N"Waiting for postmaster shutting down.."$ECHO_C
151177

152178
while:
153179
do
154180
if [-f$PIDFILE ];then
155-
echo -n"."
181+
$ECHO_N"."$ECHO_C
156182
cnt=`expr$cnt + 1`
157183
if [$cnt-gt 60 ];then
158-
echo"$CMDNAME: postmaster does not shut down"
184+
$ECHO"$CMDNAME: postmaster does not shut down"
159185
exit 1
160186
fi
161187
else
162188
break
163189
fi
164190
sleep 1
165191
done
166-
echo"done."
192+
$ECHO"done."
167193
fi
168194

169-
echo"postmaster successfully shut down."
195+
$ECHO"postmaster successfully shut down."
170196

171197
else
172-
echo"$CMDNAME: Can't find$PIDFILE."
173-
echo"Is postmaster running?"
198+
$ECHO"$CMDNAME: Can't find$PIDFILE."
199+
$ECHO"Is postmaster running?"
174200
if [$op="restart" ];then
175-
echo"Anyway, I'm going to start up postmaster..."
201+
$ECHO"Anyway, I'm going to start up postmaster..."
176202
else
177203
exit 1
178204
fi
@@ -181,7 +207,7 @@ fi
181207

182208
if [$op="start"-o$op="restart" ];then
183209
if [-f$PIDFILE ];then
184-
echo"$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway."
210+
$ECHO"$CMDNAME: It seems another postmaster is running. Try to start postmaster anyway."
185211
pid=`cat$PIDFILE`
186212
fi
187213

@@ -192,7 +218,7 @@ if [ $op = "start" -o $op = "restart" ];then
192218
if [-f$DEFPOSTOPTS ];then
193219
eval`cat$DEFPOSTOPTS`&
194220
else
195-
echo"$CMDNAME: Can't find$DEFPOSTOPTS"
221+
$ECHO"$CMDNAME: Can't find$DEFPOSTOPTS"
196222
exit 1
197223
fi
198224
else
@@ -205,33 +231,33 @@ if [ $op = "start" -o $op = "restart" ];then
205231

206232
if [-f$PIDFILE ];then
207233
if ["`cat$PIDFILE`"="$pid" ];then
208-
echo"$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
234+
$ECHO"$CMDNAME: Cannot start postmaster. Is another postmaster is running?"
209235
exit 1
210236
fi
211237
fi
212238

213239
# wait for postmaster starting up
214240
if ["$wait"= 1 ];then
215241
cnt=0
216-
echo -n"Waiting for postmaster starting up.."
242+
$ECHO_N"Waiting for postmaster starting up.."$ECHO_C
217243
while:
218244
do
219245
if [!-f$PIDFILE ];then
220-
echo -n"."
246+
$ECHO_N"."$ECHO_C
221247
cnt=`expr$cnt + 1`
222248
if [$cnt-gt 60 ];then
223-
echo"$CMDNAME: postmaster does not start up"
249+
$ECHO"$CMDNAME: postmaster does not start up"
224250
exit 1
225251
fi
226252
sleep 1
227253
else
228254
break
229255
fi
230256
done
231-
echo"done."
257+
$ECHO"done."
232258
fi
233259

234-
echo"postmaster successfully started up."
260+
$ECHO"postmaster successfully started up."
235261
fi
236262

237263
exit 0

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