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Add a feature for automatic initialization and finalization of dynamically

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loaded libraries: call functions _PG_init() and _PG_fini() if the library
defines such symbols.  Hence we no longer need to specify an initialization
function in preload_libraries: we can assume that the library used the
_PG_init() convention, instead.  This removes one source of pilot error
in use of preloaded libraries.  Original patch by Ralf Engelschall,
preload_libraries changes by me.
This commit is contained in:
Tom Lane
2006-08-08 19:15:09 +00:00
parent e00664da48
commit b09bfcaa57
12 changed files with 179 additions and 239 deletions
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6
src/include/miscadmin.h
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@ -13,7 +13,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.186 2006/03/05 15:58:53 momjian Exp $
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.187 2006/08/08 19:15:08 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to other files.
@ -307,6 +307,8 @@ extern void BaseInit(void);
/* in utils/init/miscinit.c */
extern bool IgnoreSystemIndexes;
extern char *preload_libraries_string;
extern void SetReindexProcessing(Oid heapOid, Oid indexOid);
extern void ResetReindexProcessing(void);
extern bool ReindexIsProcessingHeap(Oid heapOid);
@ -317,6 +319,6 @@ extern void TouchSocketLockFile(void);
extern void RecordSharedMemoryInLockFile(unsigned long id1,
unsigned long id2);
extern void ValidatePgVersion(const char *path);
extern void process_preload_libraries(char *preload_libraries_string);
extern void process_preload_libraries(void);
#endif /* MISCADMIN_H */