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Check for EOF on pipe differs under win32, as it is based on a socket

implementation.Claudio Natoli

1 parentf744c0f commitbda6e04Copy full SHA for bda6e04

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+14

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src/backend/postmaster
- pgstat.c

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+14

-3

lines changed

`‎src/backend/postmaster/pgstat.c‎`

Lines changed: 14 additions & 3 deletions

Original file line number	Diff line number	Diff line change
`@@ -13,7 +13,7 @@`
`13`	`13`	`*`
`14`	`14`	`*Copyright (c) 2001-2003, PostgreSQL Global Development Group`
`15`	`15`	`*`
`16`		`- *$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.60 2004/03/1021:12:46 momjian Exp $`
	`16`	`+ *$PostgreSQL: pgsql/src/backend/postmaster/pgstat.c,v 1.61 2004/03/15 16:21:37 momjian Exp $`
`17`	`17`	`* ----------`
`18`	`18`	`*/`
`19`	`19`	`#include"postgres.h"`
`@@ -1642,6 +1642,7 @@ pgstat_mainChild(PGSTAT_FORK_ARGS)`
`1642`	`1642`	`*/`
`1643`	`1643`	`intnread=0;`
`1644`	`1644`	`inttargetlen=sizeof(PgStat_MsgHdr);/* initial */`
	`1645`	`+boolpipeEOF= false;`
`1645`	`1646`
`1646`	`1647`	`while (nread<targetlen)`
`1647`	`1648`	`{`
`@@ -1652,13 +1653,23 @@ pgstat_mainChild(PGSTAT_FORK_ARGS)`
`1652`	`1653`	`{`
`1653`	`1654`	`if (errno==EINTR)`
`1654`	`1655`	`continue;`
	`1656`	`+#ifdefWIN32`
	`1657`	`+if (WSAGetLastError()==WSAECONNRESET)/* EOF on the pipe! (win32 socket based implementation) */`
	`1658`	`+{`
	`1659`	`+pipeEOF= true;`
	`1660`	`+break;`
	`1661`	`+}`
	`1662`	`+#endif`
`1655`	`1663`	`ereport(LOG,`
`1656`	`1664`	`(errcode_for_socket_access(),`
`1657`		`-errmsg("could not read from statistics collector pipe: %m")));`
	`1665`	`+errmsg("could not read from statistics collector pipe: %m")));`
`1658`	`1666`	`exit(1);`
`1659`	`1667`	`}`
`1660`	`1668`	`if (len==0)/* EOF on the pipe! */`
	`1669`	`+{`
	`1670`	`+pipeEOF= true;`
`1661`	`1671`	`break;`
	`1672`	`+}`
`1662`	`1673`	`nread+=len;`
`1663`	`1674`	`if (nread==sizeof(PgStat_MsgHdr))`
`1664`	`1675`	`{`
`@@ -1683,7 +1694,7 @@ pgstat_mainChild(PGSTAT_FORK_ARGS)`
`1683`	`1694`	`* EOF on the pipe implies that the buffer process exited.`
`1684`	`1695`	`* Fall out of outer loop.`
`1685`	`1696`	`*/`
`1686`		`-if (len==0)`
	`1697`	`+if (pipeEOF)`
`1687`	`1698`	`break;`
`1688`	`1699`
`1689`	`1700`	`/*`

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Commitbda6e04

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`‎src/backend/postmaster/pgstat.c‎`

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