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Changed driver shutdown to clear util thread active flags before signalling them.

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Added debug messages on util thread error.
This commit is contained in:
Jon Meredith 2009-02-11 11:58:39 -07:00
parent 09081f000b
commit 62e8fa569c
1 changed files with 29 additions and 10 deletions
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39
c_src/bdberl_drv.c
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@ -349,20 +349,22 @@ static void bdberl_drv_finish()
bdberl_tpool_stop(G_TPOOL_GENERAL);
bdberl_tpool_stop(G_TPOOL_TXNS);
// Signal the utility threads time is up
G_TRICKLE_ACTIVE = 0;
G_DEADLOCK_CHECK_ACTIVE = 0;
G_CHECKPOINT_ACTIVE = 0;
// Close the writer fd on the pipe to signal finish to the utility threads
close(G_BDBERL_PIPE[1]);
G_BDBERL_PIPE[1] = -1;
// Signal the trickle write thread to shutdown
G_TRICKLE_ACTIVE = 0;
// Wait for the trickle write thread to shutdown
erl_drv_thread_join(G_TRICKLE_THREAD, 0);
// Signal the deadlock checker to shutdown -- then wait for it
G_DEADLOCK_CHECK_ACTIVE = 0;
// Wait for the deadlock checker to shutdown -- then wait for it
erl_drv_thread_join(G_DEADLOCK_THREAD, 0);
// Signal the checkpointer to shutdown -- then wait for it
G_CHECKPOINT_ACTIVE = 0;
// Wait for the checkpointer to shutdown -- then wait for it
erl_drv_thread_join(G_CHECKPOINT_THREAD, 0);
// Close the reader fd on the pipe now utility threads are closed
@ -1445,7 +1447,11 @@ static void* deadlock_check(void* arg)
{
// Run the lock detection
int count = 0;
G_DB_ENV->lock_detect(G_DB_ENV, 0, DB_LOCK_DEFAULT, &count);
int rc = G_DB_ENV->lock_detect(G_DB_ENV, 0, DB_LOCK_DEFAULT, &count);
if (0 != rc)
{
DBG("lock_detect returned %s(%d)\n", db_strerror(rc), rc);
}
if (count > 0)
{
DBG("Rejected deadlocks: %d\r\n", count);
@ -1467,7 +1473,11 @@ static void* trickle_write(void* arg)
{
// Enough time has passed -- time to run the trickle operation again
int pages_wrote = 0;
G_DB_ENV->memp_trickle(G_DB_ENV, G_TRICKLE_PERCENTAGE, &pages_wrote);
int rc = G_DB_ENV->memp_trickle(G_DB_ENV, G_TRICKLE_PERCENTAGE, &pages_wrote);
if (0 != rc)
{
DBG("memp_trickle returned %s(%d)\n", db_strerror(rc), rc);
}
DBG("Wrote %d pages to achieve %d trickle\r\n", pages_wrote, G_TRICKLE_PERCENTAGE);
util_thread_usleep(G_TRICKLE_INTERVAL * 1000000);
@ -1486,8 +1496,17 @@ static void* txn_checkpoint(void* arg)
while (G_CHECKPOINT_ACTIVE)
{
G_DB_ENV->txn_checkpoint(G_DB_ENV, 0, 0, 0);
G_DB_ENV->log_archive(G_DB_ENV, NULL, DB_ARCH_REMOVE);
int rc = G_DB_ENV->txn_checkpoint(G_DB_ENV, 0, 0, 0);
if (0 != rc)
{
DBG("txn_checkpoint returned %s(%d)\n", db_strerror(rc), rc);
}
rc = G_DB_ENV->log_archive(G_DB_ENV, NULL, DB_ARCH_REMOVE);
if (0 != rc)
{
DBG("log_archive returned %s(%d)\n", db_strerror(rc), rc);
}
#ifdef DEBUG
time_t tm = time(NULL);