diff options
Diffstat (limited to 'src/backend')
| -rw-r--r-- | src/backend/postmaster/postmaster.c | 28 | ||||
| -rw-r--r-- | src/backend/storage/aio/method_worker.c | 6 | ||||
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 52 | ||||
| -rw-r--r-- | src/backend/utils/adt/timestamp.c | 20 |
4 files changed, 30 insertions, 76 deletions
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c index 490f7ce3664..cca9b946e53 100644 --- a/src/backend/postmaster/postmaster.c +++ b/src/backend/postmaster/postmaster.c @@ -4337,15 +4337,15 @@ maybe_start_bgworkers(void) static bool maybe_reap_io_worker(int pid) { - for (int id = 0; id < MAX_IO_WORKERS; ++id) + for (int i = 0; i < MAX_IO_WORKERS; ++i) { - if (io_worker_children[id] && - io_worker_children[id]->pid == pid) + if (io_worker_children[i] && + io_worker_children[i]->pid == pid) { - ReleasePostmasterChildSlot(io_worker_children[id]); + ReleasePostmasterChildSlot(io_worker_children[i]); --io_worker_count; - io_worker_children[id] = NULL; + io_worker_children[i] = NULL; return true; } } @@ -4389,22 +4389,22 @@ maybe_adjust_io_workers(void) while (io_worker_count < io_workers) { PMChild *child; - int id; + int i; /* find unused entry in io_worker_children array */ - for (id = 0; id < MAX_IO_WORKERS; ++id) + for (i = 0; i < MAX_IO_WORKERS; ++i) { - if (io_worker_children[id] == NULL) + if (io_worker_children[i] == NULL) break; } - if (id == MAX_IO_WORKERS) - elog(ERROR, "could not find a free IO worker ID"); + if (i == MAX_IO_WORKERS) + elog(ERROR, "could not find a free IO worker slot"); /* Try to launch one. */ child = StartChildProcess(B_IO_WORKER); if (child != NULL) { - io_worker_children[id] = child; + io_worker_children[i] = child; ++io_worker_count; } else @@ -4415,11 +4415,11 @@ maybe_adjust_io_workers(void) if (io_worker_count > io_workers) { /* ask the IO worker in the highest slot to exit */ - for (int id = MAX_IO_WORKERS - 1; id >= 0; --id) + for (int i = MAX_IO_WORKERS - 1; i >= 0; --i) { - if (io_worker_children[id] != NULL) + if (io_worker_children[i] != NULL) { - kill(io_worker_children[id]->pid, SIGUSR2); + kill(io_worker_children[i]->pid, SIGUSR2); break; } } diff --git a/src/backend/storage/aio/method_worker.c b/src/backend/storage/aio/method_worker.c index 1ce1bcd57a0..bf8f77e6ff6 100644 --- a/src/backend/storage/aio/method_worker.c +++ b/src/backend/storage/aio/method_worker.c @@ -575,6 +575,12 @@ IoWorkerMain(const void *startup_data, size_t startup_data_len) } CHECK_FOR_INTERRUPTS(); + + if (ConfigReloadPending) + { + ConfigReloadPending = false; + ProcessConfigFile(PGC_SIGHUP); + } } error_context_stack = errcallback.previous; diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index e5b945a9ee3..2418967def6 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -1622,58 +1622,6 @@ TransactionIdIsInProgress(TransactionId xid) return false; } -/* - * TransactionIdIsActive -- is xid the top-level XID of an active backend? - * - * This differs from TransactionIdIsInProgress in that it ignores prepared - * transactions, as well as transactions running on the primary if we're in - * hot standby. Also, we ignore subtransactions since that's not needed - * for current uses. - */ -bool -TransactionIdIsActive(TransactionId xid) -{ - bool result = false; - ProcArrayStruct *arrayP = procArray; - TransactionId *other_xids = ProcGlobal->xids; - int i; - - /* - * Don't bother checking a transaction older than RecentXmin; it could not - * possibly still be running. - */ - if (TransactionIdPrecedes(xid, RecentXmin)) - return false; - - LWLockAcquire(ProcArrayLock, LW_SHARED); - - for (i = 0; i < arrayP->numProcs; i++) - { - int pgprocno = arrayP->pgprocnos[i]; - PGPROC *proc = &allProcs[pgprocno]; - TransactionId pxid; - - /* Fetch xid just once - see GetNewTransactionId */ - pxid = UINT32_ACCESS_ONCE(other_xids[i]); - - if (!TransactionIdIsValid(pxid)) - continue; - - if (proc->pid == 0) - continue; /* ignore prepared transactions */ - - if (TransactionIdEquals(pxid, xid)) - { - result = true; - break; - } - } - - LWLockRelease(ProcArrayLock); - - return result; -} - /* * Determine XID horizons. diff --git a/src/backend/utils/adt/timestamp.c b/src/backend/utils/adt/timestamp.c index 0a5848a4ab2..25cff56c3d0 100644 --- a/src/backend/utils/adt/timestamp.c +++ b/src/backend/utils/adt/timestamp.c @@ -5312,10 +5312,10 @@ isoweekdate2date(int isoweek, int wday, int *year, int *mon, int *mday) int date2isoweek(int year, int mon, int mday) { - float8 result; int day0, day4, - dayn; + dayn, + week; /* current day */ dayn = date2j(year, mon, mday); @@ -5338,13 +5338,13 @@ date2isoweek(int year, int mon, int mday) day0 = j2day(day4 - 1); } - result = (dayn - (day4 - day0)) / 7 + 1; + week = (dayn - (day4 - day0)) / 7 + 1; /* * Sometimes the last few days in a year will fall into the first week of * the next year, so check for this. */ - if (result >= 52) + if (week >= 52) { day4 = date2j(year + 1, 1, 4); @@ -5352,10 +5352,10 @@ date2isoweek(int year, int mon, int mday) day0 = j2day(day4 - 1); if (dayn >= day4 - day0) - result = (dayn - (day4 - day0)) / 7 + 1; + week = (dayn - (day4 - day0)) / 7 + 1; } - return (int) result; + return week; } @@ -5367,10 +5367,10 @@ date2isoweek(int year, int mon, int mday) int date2isoyear(int year, int mon, int mday) { - float8 result; int day0, day4, - dayn; + dayn, + week; /* current day */ dayn = date2j(year, mon, mday); @@ -5395,13 +5395,13 @@ date2isoyear(int year, int mon, int mday) year--; } - result = (dayn - (day4 - day0)) / 7 + 1; + week = (dayn - (day4 - day0)) / 7 + 1; /* * Sometimes the last few days in a year will fall into the first week of * the next year, so check for this. */ - if (result >= 52) + if (week >= 52) { day4 = date2j(year + 1, 1, 4); |