[PostgreSQL-Hackers] Needs Suggestion

[PostgreSQL-Hackers] Needs Suggestion

	Subham
	Aug 30, 2010 at 3:12 pm

Can anyone explain this ?

My question is -
What is lnext:; , lreplace:; in postgres code ?
I found lnext:; in 1501 and lreplace:; in 2065 in execMain.c file.

--

Thank You,
Subham Roy.
CSE,
IIT Bombay.

Search Discussions

Discussion Posts

Tom Lane: Have you read src/backend/utils/mmgr/README ? It's old but still reasonably accurate. regards, tom lane

Follow ups

Robert Haas: It's a label. http://www.lysator.liu.se/c/bwk-tutor.html#goto -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise Postgres Company
Subham: How can I increase the stack depth limit ? Is it only by modifying the postgres.conf file, but there I cannot increase the stack depth beyond 4 MB. Actually, my problem is that, when I set the stack base address of the child thread using the POSIX library function "pthread_setstackaddr()", I am unable to access the memory contents of its parent. The data-structures in the parent are either getting destroyed or unaccessible when moving to the context of the child thread. But when I create the
Heikki Linnakangas: It is not a good idea to use threads in server code. PostgreSQL server code is not thread-safe, things will break. Assuming that you're not actually doing that but using threads in the client instead, max_stack_depth should have no effect on you as it only affects the server. But you really should find another way to communicate between threads. Stacks should be treated as thread-private. Use malloc() or something and global variables. -- Heikki Linnakangas EnterpriseDB

Related Discussions

Discussion Navigation

view	thread \| post
posts	‹ prev \| 3 of 11 \| next ›

Discussion Overview

group	pgsql-hackers @
categories	postgresql
posted	Aug 4, '10 at 6:35p
active	Sep 23, '10 at 12:40p
posts	11
users	5
website	postgresql.org...
irc	#postgresql

font	variable	Hotkey: f
user style	avatars	Hotkey: a

[PostgreSQL-Hackers] Needs Suggestion

Search Discussions

Discussion Posts

Related Discussions

5 users in discussion