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Diffstat (limited to 'src/backend/storage/backendid.h')
| -rw-r--r-- | src/backend/storage/backendid.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/backend/storage/backendid.h b/src/backend/storage/backendid.h new file mode 100644 index 00000000000..eb874bbad79 --- /dev/null +++ b/src/backend/storage/backendid.h @@ -0,0 +1,32 @@ +/*------------------------------------------------------------------------- + * + * backendid.h-- + * POSTGRES backend id communication definitions + * + * + * Copyright (c) 1994, Regents of the University of California + * + * $Id: backendid.h,v 1.1.1.1 1996/07/09 06:21:52 scrappy Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef BACKENDID_H +#define BACKENDID_H + +/* ---------------- + * pulled out of sinval.h to temporarily reduce #include nesting. + * -cim 8/17/90 + * ---------------- + */ +typedef int16 BackendId; /* unique currently active backend identifier */ + +#define InvalidBackendId (-1) + +typedef int32 BackendTag; /* unique backend identifier */ + +#define InvalidBackendTag (-1) + +extern BackendId MyBackendId; /* backend id of this backend */ +extern BackendTag MyBackendTag; /* backend tag of this backend */ + +#endif /* BACKENDID_H */ |