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Add some debug logging code to AllocateFile's failure path to log the

specific Windows error code (GetLastError). This is a hopefully temporaryhack to try to diagnose rare failures. Magnus Hagander

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Lines changed: 15 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,7 @@`
`7`	`7`	`* Portions Copyright (c) 1994, Regents of the University of California`
`8`	`8`	`*`
`9`	`9`	`* IDENTIFICATION`
`10`		`- * $PostgreSQL: pgsql/src/backend/storage/file/fd.c,v 1.128 2006/05/30 13:04:59 momjian Exp $`
	`10`	`+ * $PostgreSQL: pgsql/src/backend/storage/file/fd.c,v 1.129 2006/08/24 03:15:43 tgl Exp $`
`11`	`11`	`*`
`12`	`12`	`* NOTES:`
`13`	`13`	`*`
`@@ -1278,6 +1278,20 @@ AllocateFile(const char name, const char mode)`
`1278`	`1278`	`errno=save_errno;`
`1279`	`1279`	`}`
`1280`	`1280`
	`1281`	`+/*`
	`1282`	`+ * TEMPORARY hack to log the Windows error code on fopen failures,`
	`1283`	`+ * in hopes of diagnosing some hard-to-reproduce problems.`
	`1284`	`+ */`
	`1285`	`+#ifdefWIN32`
	`1286`	`+{`
	`1287`	`+intsave_errno=errno;`
	`1288`	`+`
	`1289`	`+elog(LOG,"Windows fopen(\"%s\",\"%s\") failed: code %lu, errno %d",`
	`1290`	`+name,mode,GetLastError(),save_errno);`
	`1291`	`+errno=save_errno;`
	`1292`	`+}`
	`1293`	`+#endif`
	`1294`	`+`
`1281`	`1295`	`returnNULL;`
`1282`	`1296`	`}`
`1283`	`1297`

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