Some comments about our new atexit handling.

This commit is contained in:
Josh Kupershmidt 2015-05-25 16:56:44 -04:00
parent b6b6a8bfb3
commit 8fc8b656a2
2 changed files with 26 additions and 6 deletions

View File

@ -243,6 +243,12 @@ static char *
utoa(unsigned int value, char *buffer)
{
sprintf(buffer, "%u", value);
/* XXX: originally, we would just return buffer here without
* the pgut_strdup(). But repack_cleanup_callback() seems to
* depend on getting back a freshly strdup'd copy of buffer,
* not sure why. So now we are leaking a tiny bit of memory
* with each utoa() call.
*/
return pgut_strdup(buffer);
}
@ -900,6 +906,13 @@ rebuild_indexes(const repack_table *table)
ret = select(max_fd + 1, &input_mask, NULL, NULL, &timeout);
#endif
/* XXX: the errno != EINTR check means we won't bail
* out on SIGINT. We should probably just remove this
* check, though it seems we also need to fix up
* the on_interrupt handling for workers' index
* builds (those PGconns don't seem to have c->cancel
* set, so we don't cancel the in-progress builds).
*/
if (ret < 0 && errno != EINTR)
elog(ERROR, "poll() failed: %d, %d", ret, errno);
@ -1703,8 +1716,12 @@ repack_cleanup_callback(bool fatal, void *userdata)
if(fatal)
{
params[0] = utoa(target_table, buffer);
params[1] = utoa(temp_obj_num, buffer);
params[1] = utoa(temp_obj_num, buffer);
/* testing PQstatus() of connection and conn2, as we do
* in repack_cleanup(), doesn't seem to work here,
* so just use an unconditional reconnect().
*/
reconnect(ERROR);
command("SELECT repack.repack_drop($1, $2)", 2, params);
temp_obj_num = 0; /* reset temporary object counter after cleanup */

View File

@ -944,8 +944,11 @@ repack_drop(PG_FUNCTION_ARGS)
/* connect to SPI manager */
repack_init();
/* drop log table */
if(numobj > 0)
/* drop log table: must be done before dropping the pk type,
* since the log table is dependent on the pk type. (That's
* why we check numobj > 1 here.)
*/
if (numobj > 1)
{
execute_with_format(
SPI_OK_UTILITY,
@ -955,7 +958,7 @@ repack_drop(PG_FUNCTION_ARGS)
}
/* drop type for pk type */
if(numobj > 0)
if (numobj > 0)
{
execute_with_format(
SPI_OK_UTILITY,
@ -968,7 +971,7 @@ repack_drop(PG_FUNCTION_ARGS)
* drop repack trigger: We have already dropped the trigger in normal
* cases, but it can be left on error.
*/
if(numobj > 0)
if (numobj > 0)
{
execute_with_format(
SPI_OK_UTILITY,
@ -991,7 +994,7 @@ repack_drop(PG_FUNCTION_ARGS)
#endif
/* drop temp table */
if(numobj > 0)
if (numobj > 0)
{
execute_with_format(
SPI_OK_UTILITY,