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| author | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-07-27 19:38:40 +0000 |
|---|---|---|
| committer | Vadim B. Mikheev <vadim4o@yahoo.com> | 1998-07-27 19:38:40 +0000 |
| commit | be8300b18f26363c0b18c62fa884a6a62e26405e (patch) | |
| tree | a44ac3f51d81a7616bd9c7912fa23a5e81c9d483 /src/backend/storage/lmgr/proc.c | |
| parent | f7f989c9907b181f1785c699e6384e6eba8ae9a5 (diff) | |
| download | postgresql-be8300b18f26363c0b18c62fa884a6a62e26405e.tar.gz postgresql-be8300b18f26363c0b18c62fa884a6a62e26405e.zip | |
Use Snapshot in heap access methods.
Diffstat (limited to 'src/backend/storage/lmgr/proc.c')
| -rw-r--r-- | src/backend/storage/lmgr/proc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/backend/storage/lmgr/proc.c b/src/backend/storage/lmgr/proc.c index d4e14fb9c4d..fb052582e79 100644 --- a/src/backend/storage/lmgr/proc.c +++ b/src/backend/storage/lmgr/proc.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.39 1998/06/30 02:33:32 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.40 1998/07/27 19:38:15 vadim Exp $ * *------------------------------------------------------------------------- */ @@ -46,7 +46,7 @@ * This is so that we can support more backends. (system-wide semaphore * sets run out pretty fast.) -ay 4/95 * - * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.39 1998/06/30 02:33:32 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/storage/lmgr/proc.c,v 1.40 1998/07/27 19:38:15 vadim Exp $ */ #include <sys/time.h> #include <unistd.h> @@ -252,6 +252,9 @@ InitProcess(IPCKey key) MyProc->pid = MyProcPid; #endif MyProc->xid = InvalidTransactionId; +#ifdef LowLevelLocking + MyProc->xmin = InvalidTransactionId; +#endif /* ---------------- * Start keeping spin lock stats from here on. Any botch before @@ -479,11 +482,13 @@ ProcSleep(PROC_QUEUE *waitQueue, MyProc->token = token; MyProc->waitLock = lock; +#ifndef LowLevelLocking /* ------------------- * currently, we only need this for the ProcWakeup routines * ------------------- */ TransactionIdStore((TransactionId) GetCurrentTransactionId(), &MyProc->xid); +#endif /* ------------------- * assume that these two operations are atomic (because |