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Add the SQLITE_MAX_WORKER_THREADS compile time option. And the SQLITE_CONFIG_WORKER_THREADS sqlite3_config() switch.

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FossilOrigin-Name: 2774710df8cd2bfaca49888c69f1b01c0ddadf9a
This commit is contained in:
dan
2014-03-31 19:57:34 +00:00
parent 853c4a7621
commit b3f56fdb69
8 changed files with 90 additions and 42 deletions
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14
src/sqliteInt.h
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@@ -422,6 +422,19 @@
# define SQLITE_TEMP_STORE_xc 1 /* Exclude from ctime.c */
#endif
/*
** If no value has been provided for SQLITE_MAX_WORKER_THREADS, or if
** SQLITE_TEMP_STORE is set to 3 (never use temporary files), set it
** to zero.
*/
#if SQLITE_TEMP_STORE==3
# undef SQLITE_MAX_WORKER_THREADS
#endif
#ifndef SQLITE_MAX_WORKER_THREADS
# define SQLITE_MAX_WORKER_THREADS 0
#endif
/*
** GCC does not define the offsetof() macro so we'll have to do it
** ourselves.
@@ -2685,6 +2698,7 @@ struct Sqlite3Config {
int nPage; /* Number of pages in pPage[] */
int mxParserStack; /* maximum depth of the parser stack */
int sharedCacheEnabled; /* true if shared-cache mode enabled */
int nWorker; /* Number of worker threads to use */
/* The above might be initialized to non-zero. The following need to always
** initially be zero, however. */
int isInit; /* True after initialization has finished */