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Commitc751638

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committed
Replace the confusing exit_nicely() by an atexit/on_exit hook
1 parent2bd78eb commitc751638

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5 files changed

+37
-43
lines changed

5 files changed

+37
-43
lines changed

‎contrib/pg_upgrade/check.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -131,7 +131,7 @@ report_clusters_compatible(void)
131131
pg_log(PG_REPORT,"\n*Clusters are compatible*\n");
132132
/* stops new cluster */
133133
stop_postmaster(false, false);
134-
exit_nicely(false);
134+
exit(0);
135135
}
136136

137137
pg_log(PG_REPORT,"\n"

‎contrib/pg_upgrade/option.c

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -77,12 +77,12 @@ parseCommandLine(int argc, char *argv[])
7777
strcmp(argv[1],"-?")==0)
7878
{
7979
usage();
80-
exit_nicely(false);
80+
exit(0);
8181
}
8282
if (strcmp(argv[1],"--version")==0||strcmp(argv[1],"-V")==0)
8383
{
8484
pg_log(PG_REPORT,"pg_upgrade "PG_VERSION"\n");
85-
exit_nicely(false);
85+
exit(0);
8686
}
8787
}
8888

@@ -125,7 +125,7 @@ parseCommandLine(int argc, char *argv[])
125125
if ((log_opts.debug_fd=fopen(optarg,"w"))==NULL)
126126
{
127127
pg_log(PG_FATAL,"cannot open debug file\n");
128-
exit_nicely(false);
128+
exit(1);
129129
}
130130
break;
131131

@@ -141,15 +141,15 @@ parseCommandLine(int argc, char *argv[])
141141
if ((old_cluster.port=atoi(optarg)) <=0)
142142
{
143143
pg_log(PG_FATAL,"invalid old port number\n");
144-
exit_nicely(false);
144+
exit(1);
145145
}
146146
break;
147147

148148
case'P':
149149
if ((new_cluster.port=atoi(optarg)) <=0)
150150
{
151151
pg_log(PG_FATAL,"invalid new port number\n");
152-
exit_nicely(false);
152+
exit(1);
153153
}
154154
break;
155155

‎contrib/pg_upgrade/pg_upgrade.h

Lines changed: 0 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -363,7 +363,6 @@ voidcheck_for_libpq_envvars(void);
363363

364364
/* util.c */
365365

366-
voidexit_nicely(boolneed_cleanup);
367366
char*quote_identifier(constchar*s);
368367
intget_user_info(char**user_name);
369368
voidcheck_ok(void);

‎contrib/pg_upgrade/server.c

Lines changed: 29 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -23,7 +23,7 @@ static bool test_server_conn(ClusterInfo *cluster, int timeout);
2323
*
2424
*Connects to the desired database on the designated server.
2525
*If the connection attempt fails, this function logs an error
26-
*message and callsexit_nicely() to kill the program.
26+
*message and callsexit() to kill the program.
2727
*/
2828
PGconn*
2929
connectToServer(ClusterInfo*cluster,constchar*db_name)
@@ -45,7 +45,8 @@ connectToServer(ClusterInfo *cluster, const char *db_name)
4545
if (conn)
4646
PQfinish(conn);
4747

48-
exit_nicely(true);
48+
printf("Failure, exiting\n");
49+
exit(1);
4950
}
5051

5152
returnconn;
@@ -57,7 +58,7 @@ connectToServer(ClusterInfo *cluster, const char *db_name)
5758
*
5859
*Formats a query string from the given arguments and executes the
5960
*resulting query. If the query fails, this function logs an error
60-
*message and callsexit_nicely() to kill the program.
61+
*message and callsexit() to kill the program.
6162
*/
6263
PGresult*
6364
executeQueryOrDie(PGconn*conn,constchar*fmt,...)
@@ -81,8 +82,8 @@ executeQueryOrDie(PGconn *conn, const char *fmt,...)
8182
PQerrorMessage(conn));
8283
PQclear(result);
8384
PQfinish(conn);
84-
exit_nicely(true);
85-
returnNULL;/* Never get here, but keeps compiler happy */
85+
printf("Failure, exiting\n");
86+
exit(1);
8687
}
8788
else
8889
returnresult;
@@ -152,18 +153,41 @@ get_major_server_version(ClusterInfo *cluster)
152153
}
153154

154155

156+
staticvoid
157+
#ifdefHAVE_ATEXIT
158+
stop_postmaster_atexit(void)
159+
#else
160+
stop_postmaster_on_exit(intexitstatus,void*arg)
161+
#endif
162+
{
163+
stop_postmaster(true, true);
164+
165+
}
166+
167+
155168
void
156169
start_postmaster(ClusterInfo*cluster,boolquiet)
157170
{
158171
charcmd[MAXPGPATH];
159172
constchar*bindir;
160173
constchar*datadir;
161174
unsigned shortport;
175+
boolexit_hook_registered= false;
162176

163177
bindir=cluster->bindir;
164178
datadir=cluster->pgdata;
165179
port=cluster->port;
166180

181+
if (!exit_hook_registered)
182+
{
183+
#ifdefHAVE_ATEXIT
184+
atexit(stop_postmaster_atexit);
185+
#else
186+
on_exit(stop_postmaster_on_exit);
187+
#endif
188+
exit_hook_registered= true;
189+
}
190+
167191
/*
168192
* On Win32, we can't send both pg_upgrade output and pg_ctl output to the
169193
* same file because we get the error: "The process cannot access the file

‎contrib/pg_upgrade/util.c

Lines changed: 2 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -99,7 +99,8 @@ pg_log(eLogType type, char *fmt,...)
9999
casePG_FATAL:
100100
printf("%s","\n");
101101
printf("%s",_(message));
102-
exit_nicely(true);
102+
printf("Failure, exiting\n");
103+
exit(1);
103104
break;
104105

105106
casePG_DEBUG:
@@ -184,36 +185,6 @@ get_user_info(char **user_name)
184185
}
185186

186187

187-
void
188-
exit_nicely(boolneed_cleanup)
189-
{
190-
stop_postmaster(true, true);
191-
192-
pg_free(log_opts.filename);
193-
194-
if (log_opts.fd)
195-
fclose(log_opts.fd);
196-
197-
if (log_opts.debug_fd)
198-
fclose(log_opts.debug_fd);
199-
200-
/* terminate any running instance of postmaster */
201-
if (os_info.postmasterPID!=0)
202-
kill(os_info.postmasterPID,SIGTERM);
203-
204-
if (need_cleanup)
205-
{
206-
printf("Failure, exiting\n");
207-
/*
208-
* FIXME must delete intermediate files
209-
*/
210-
exit(1);
211-
}
212-
else
213-
exit(0);
214-
}
215-
216-
217188
void*
218189
pg_malloc(intn)
219190
{

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