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Prevent tv_sec from becoming negative in connection timeout code.

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This commit is contained in:
Bruce Momjian
2002-10-11 04:12:14 +00:00
parent c2311337f0
commit 6a7bb0afbc
6 changed files with 68 additions and 27 deletions
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25
src/include/nodes/nodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.118 2002/08/31 22:10:47 tgl Exp $
* $Id: nodes.h,v 1.119 2002/10/11 04:12:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -261,6 +261,24 @@ typedef struct Node
#define nodeTag(nodeptr) (((Node*)(nodeptr))->type)
/*
* There is no way to dereference the palloc'ed pointer to assign the
* tag, and return the pointer itself, so we need a holder variable.
* Fortunately, this function isn't recursive so we just define
* a global variable for this purpose.
*/
extern Node *newNodeMacroHolder;
#define newNode(size, tag) \
( \
AssertMacro((size) >= sizeof(Node)), /* need the tag, at least */ \
\
newNodeMacroHolder = (Node *) palloc0(size), \
newNodeMacroHolder->type = (tag), \
newNodeMacroHolder \
)
#define makeNode(_type_) ((_type_ *) newNode(sizeof(_type_),T_##_type_))
#define NodeSetTag(nodeptr,t) (((Node*)(nodeptr))->type = (t))
@ -282,11 +300,6 @@ typedef struct Node
* ----------------------------------------------------------------
*/
/*
* nodes/nodes.c
*/
extern Node *newNode(Size size, NodeTag tag);
/*
* nodes/{outfuncs.c,print.c}
*/