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Back-patch bgworker API changes to 9.3.

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Commit 7f7485a0cd made these changes
in master; per discussion, backport the API changes (but not the
functional changes), so that people don't get used to the 9.3 API
only to see it get broken in the next release.  There are already
some people coding to the original 9.3 API, and this will cause
minor breakage, but there will be even more if we wait until next
year to roll out these changes.
This commit is contained in:
Robert Haas
2013-07-22 15:41:44 -04:00
parent 295f9bbf1d
commit 026bc46da3
4 changed files with 18 additions and 21 deletions
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23
contrib/worker_spi/worker_spi.c
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@ -154,10 +154,17 @@ initialize_worker_spi(worktable *table)
}
static void
worker_spi_main(void *main_arg)
worker_spi_main(Datum main_arg)
{
worktable *table = (worktable *) main_arg;
int index = DatumGetInt32(main_arg);
worktable *table;
StringInfoData buf;
char name[20];
table = palloc(sizeof(worktable));
sprintf(name, "schema%d", index);
table->schema = pstrdup(name);
table->name = pstrdup("counted");
/* Establish signal handlers before unblocking signals. */
pqsignal(SIGHUP, worker_spi_sighup);
@ -296,9 +303,7 @@ void
_PG_init(void)
{
BackgroundWorker worker;
worktable *table;
unsigned int i;
char name[20];
/* get the configuration */
DefineCustomIntVariable("worker_spi.naptime",
@ -338,14 +343,8 @@ _PG_init(void)
*/
for (i = 1; i <= worker_spi_total_workers; i++)
{
sprintf(name, "worker %d", i);
worker.bgw_name = pstrdup(name);
table = palloc(sizeof(worktable));
sprintf(name, "schema%d", i);
table->schema = pstrdup(name);
table->name = pstrdup("counted");
worker.bgw_main_arg = (void *) table;
snprintf(worker.bgw_name, BGW_MAXLEN, "worker %d", i);
worker.bgw_main_arg = Int32GetDatum(i);
RegisterBackgroundWorker(&worker);
}