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Commitd22e945

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committed
Clean up formatting of child process exit-status reports so that they
are correct, consistent, and complete ... motivated by gripe fromOliver Elphick, but I see someone had already made an incomplete stabat this.
1 parentd2ff7e5 commitd22e945

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1 file changed

+47
-34
lines changed

1 file changed

+47
-34
lines changed

‎src/backend/postmaster/postmaster.c

Lines changed: 47 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -37,7 +37,7 @@
3737
*
3838
*
3939
* IDENTIFICATION
40-
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.257 2001/11/05 17:46:27 momjian Exp $
40+
* $Header: /cvsroot/pgsql/src/backend/postmaster/postmaster.c,v 1.258 2001/11/06 18:02:48 tgl Exp $
4141
*
4242
* NOTES
4343
*
@@ -240,6 +240,7 @@ static void reaper(SIGNAL_ARGS);
240240
staticvoidsigusr1_handler(SIGNAL_ARGS);
241241
staticvoiddummy_handler(SIGNAL_ARGS);
242242
staticvoidCleanupProc(intpid,intexitstatus);
243+
staticconstchar*formatExitStatus(intexitstatus);
243244
staticintDoBackend(Port*port);
244245
staticvoidExitPostmaster(intstatus);
245246
staticvoidusage(constchar*);
@@ -1543,48 +1544,34 @@ reaper(SIGNAL_ARGS)
15431544
*/
15441545
if (pgstat_ispgstat(pid))
15451546
{
1546-
if (WIFEXITED(exitstatus))
1547-
elog(DEBUG,"statistics collector exited with status %d",
1548-
WEXITSTATUS(exitstatus));
1549-
elseif (WIFSIGNALED(exitstatus))
1550-
elog(DEBUG,"statistics collector was terminated by signal %d",
1551-
WTERMSIG(exitstatus));
1547+
elog(DEBUG,"statistics collector process (pid %d) %s",
1548+
pid,formatExitStatus(exitstatus));
15521549
pgstat_start();
15531550
continue;
15541551
}
15551552

1553+
/*
1554+
* Check if this child was a shutdown or startup process.
1555+
*/
15561556
if (ShutdownPID>0&&pid==ShutdownPID)
15571557
{
1558-
if (WIFEXITED(exitstatus)&&WEXITSTATUS(exitstatus)!=0)
1559-
{
1560-
elog(DEBUG,"shutdown process %d exited with status %d",
1561-
pid,WEXITSTATUS(exitstatus));
1562-
ExitPostmaster(1);
1563-
}
1564-
if (WIFSIGNALED(exitstatus))
1558+
if (exitstatus!=0)
15651559
{
1566-
elog(DEBUG,"shutdown process%d was terminated by signal %d",
1567-
pid,WTERMSIG(exitstatus));
1560+
elog(DEBUG,"shutdown process(pid %d) %s",
1561+
pid,formatExitStatus(exitstatus));
15681562
ExitPostmaster(1);
15691563
}
15701564
ExitPostmaster(0);
15711565
}
15721566

15731567
if (StartupPID>0&&pid==StartupPID)
15741568
{
1575-
if (WIFEXITED(exitstatus)&&WEXITSTATUS(exitstatus)!=0)
1569+
if (exitstatus!=0)
15761570
{
1577-
elog(DEBUG,"startup process%d exited with status %d; aborting startup",
1578-
pid,WEXITSTATUS(exitstatus));
1571+
elog(DEBUG,"startup process(pid %d) %s; aborting startup",
1572+
pid,formatExitStatus(exitstatus));
15791573
ExitPostmaster(1);
15801574
}
1581-
if (WIFSIGNALED(exitstatus))
1582-
{
1583-
elog(DEBUG,"shutdown process %d was terminated by signal %d; aborting startup",
1584-
pid,WTERMSIG(exitstatus));
1585-
ExitPostmaster(1);
1586-
}
1587-
15881575
StartupPID=0;
15891576
FatalError= false;/* done with recovery */
15901577
if (Shutdown>NoShutdown)
@@ -1664,8 +1651,8 @@ CleanupProc(int pid,
16641651
Backend*bp;
16651652

16661653
if (DebugLvl)
1667-
elog(DEBUG,"CleanupProc: pid %d exited with status %d",
1668-
pid,exitstatus);
1654+
elog(DEBUG,"CleanupProc:child process (pid %d) %s",
1655+
pid,formatExitStatus(exitstatus));
16691656

16701657
/*
16711658
* If a backend dies in an ugly way (i.e. exit status not 0) then we
@@ -1710,12 +1697,8 @@ CleanupProc(int pid,
17101697
/* Make log entry unless we did so already */
17111698
if (!FatalError)
17121699
{
1713-
if (WIFEXITED(exitstatus))
1714-
elog(DEBUG,"server process (pid %d) exited with status %d",
1715-
pid,WEXITSTATUS(exitstatus));
1716-
elseif (WIFSIGNALED(exitstatus))
1717-
elog(DEBUG,"server process (pid %d) was terminated by signal %d",
1718-
pid,WTERMSIG(exitstatus));
1700+
elog(DEBUG,"server process (pid %d) %s",
1701+
pid,formatExitStatus(exitstatus));
17191702
elog(DEBUG,"terminating any other active server processes");
17201703
}
17211704

@@ -1772,6 +1755,36 @@ CleanupProc(int pid,
17721755
FatalError= true;
17731756
}
17741757

1758+
/*
1759+
* Convert a wait(2) exit status into a printable string.
1760+
*
1761+
* For present uses, it's okay to use a static return area here.
1762+
*/
1763+
staticconstchar*
1764+
formatExitStatus(intexitstatus)
1765+
{
1766+
staticcharresult[100];
1767+
1768+
/*
1769+
* translator: these strings provide the verb phrase in the preceding
1770+
* messages such as "server process (pid %d) %s"
1771+
*/
1772+
if (WIFEXITED(exitstatus))
1773+
snprintf(result,sizeof(result),
1774+
gettext("exited with exit code %d"),
1775+
WEXITSTATUS(exitstatus));
1776+
elseif (WIFSIGNALED(exitstatus))
1777+
snprintf(result,sizeof(result),
1778+
gettext("was terminated by signal %d"),
1779+
WTERMSIG(exitstatus));
1780+
else
1781+
snprintf(result,sizeof(result),
1782+
gettext("exited with unexpected status %d"),
1783+
exitstatus);
1784+
1785+
returnresult;
1786+
}
1787+
17751788
/*
17761789
* Send a signal to all backend children.
17771790
*/

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