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Commit3338a98

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test_shm_mq: Replace WAIT_EVENT_EXTENSION with custom wait events
Two custom wait events are added here:- "TestShmMqBgWorkerStartup", when setting up a set of bgworkers inwait_for_workers_to_become_ready().- "TestShmMqMessageQueue", when waiting for a queued message intest_shm_mq_pipelined().Author: Masahiro IkedaDiscussion:https://postgr.es/m/197bce267fa691a0ac62c86c4ab904c4@oss.nttdata.com
1 parentc8e318b commit3338a98

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2 files changed

+16
-2
lines changed

2 files changed

+16
-2
lines changed

‎src/test/modules/test_shm_mq/setup.c

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -40,6 +40,9 @@ static void wait_for_workers_to_become_ready(worker_state *wstate,
4040
volatiletest_shm_mq_header*hdr);
4141
staticboolcheck_worker_status(worker_state*wstate);
4242

43+
/* value cached, fetched from shared memory */
44+
staticuint32we_bgworker_startup=0;
45+
4346
/*
4447
* Set up a dynamic shared memory segment and zero or more background workers
4548
* for a test run.
@@ -278,9 +281,13 @@ wait_for_workers_to_become_ready(worker_state *wstate,
278281
break;
279282
}
280283

284+
/* first time, allocate or get the custom wait event */
285+
if (we_bgworker_startup==0)
286+
we_bgworker_startup=WaitEventExtensionNew("TestShmMqBgWorkerStartup");
287+
281288
/* Wait to be signaled. */
282289
(void)WaitLatch(MyLatch,WL_LATCH_SET |WL_EXIT_ON_PM_DEATH,0,
283-
WAIT_EVENT_EXTENSION);
290+
we_bgworker_startup);
284291

285292
/* Reset the latch so we don't spin. */
286293
ResetLatch(MyLatch);

‎src/test/modules/test_shm_mq/test.c

Lines changed: 8 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -28,6 +28,9 @@ PG_FUNCTION_INFO_V1(test_shm_mq_pipelined);
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staticvoidverify_message(Sizeoriglen,char*origdata,Sizenewlen,
2929
char*newdata);
3030

31+
/* value cached, fetched from shared memory */
32+
staticuint32we_message_queue=0;
33+
3134
/*
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* Simple test of the shared memory message queue infrastructure.
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*
@@ -225,14 +228,18 @@ test_shm_mq_pipelined(PG_FUNCTION_ARGS)
225228

226229
if (wait)
227230
{
231+
/* first time, allocate or get the custom wait event */
232+
if (we_message_queue==0)
233+
we_message_queue=WaitEventExtensionNew("TestShmMqMessageQueue");
234+
228235
/*
229236
* If we made no progress, wait for one of the other processes to
230237
* which we are connected to set our latch, indicating that they
231238
* have read or written data and therefore there may now be work
232239
* for us to do.
233240
*/
234241
(void)WaitLatch(MyLatch,WL_LATCH_SET |WL_EXIT_ON_PM_DEATH,0,
235-
WAIT_EVENT_EXTENSION);
242+
we_message_queue);
236243
ResetLatch(MyLatch);
237244
CHECK_FOR_INTERRUPTS();
238245
}

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