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Commita01e479

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Initialize ListenSocket array earlier.
After commitb0bea38, syslogger prints 63 warnings about failing toclose a listen socket at postmaster startup. That's because thesyslogger process forks before the ListenSockets array is initialized,so ClosePostmasterPorts() calls "close(0)" 64 times. The first callsucceeds, because fd 0 is stdin.This has been like this since commit9a86f03 in version 13, whichmoved the SysLogger_Start() call to before initializing ListenSockets.We just didn't notice until commitb0bea38 added the LOG message.Reported by Michael Paquier and Jeff Janes.Author: Michael PaquierDiscussion:https://www.postgresql.org/message-id/ZOvvuQe0rdj2slA9%40paquier.xyzDiscussion:https://www.postgresql.org/message-id/ZO0fgDwVw2SUJiZx@paquier.xyz#482670177eb4eaf4c9f03c1eed963e5fBackpatch-through: 13
1 parent27566bc commita01e479

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‎src/backend/postmaster/postmaster.c

Lines changed: 11 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -1092,6 +1092,17 @@ PostmasterMain(int argc, char *argv[])
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errmsg("could not remove file \"%s\": %m",
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LOG_METAINFO_DATAFILE)));
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1095+
/*
1096+
* Initialize input sockets.
1097+
*
1098+
* Mark them all closed, and set up an on_proc_exit function that's
1099+
* charged with closing the sockets again at postmaster shutdown.
1100+
*/
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for (i=0;i<MAXLISTEN;i++)
1102+
ListenSocket[i]=PGINVALID_SOCKET;
1103+
1104+
on_proc_exit(CloseServerPorts,0);
1105+
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/*
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* If enabled, start up syslogger collection subprocess
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*/
@@ -1126,15 +1137,7 @@ PostmasterMain(int argc, char *argv[])
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/*
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* Establish input sockets.
1129-
*
1130-
* First, mark them all closed, and set up an on_proc_exit function that's
1131-
* charged with closing the sockets again at postmaster shutdown.
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*/
1133-
for (i=0;i<MAXLISTEN;i++)
1134-
ListenSocket[i]=PGINVALID_SOCKET;
1135-
1136-
on_proc_exit(CloseServerPorts,0);
1137-
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if (ListenAddresses)
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{
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char*rawstring;

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