2011-09-13 17:44:24 +00:00
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/html; charset=UTF-8" / >
< title > mutex_set_tas_spins< / title >
< link rel = "stylesheet" href = "apiReference.css" type = "text/css" / >
< meta name = "generator" content = "DocBook XSL Stylesheets V1.73.2" / >
< link rel = "start" href = "index.html" title = "Berkeley DB C API Reference" / >
< link rel = "up" href = "configuration_reference.html" title = "Appendix D. DB_CONFIG Parameter Reference" / >
< link rel = "prev" href = "mutex_set_max_parameter.html" title = "mutex_set_max" / >
< link rel = "next" href = "rep_set_clockskew_parameter.html" title = "rep_set_clockskew" / >
< / head >
< body >
< div xmlns = "" class = "navheader" >
< div class = "libver" >
2012-11-14 21:35:20 +00:00
< p > Library Version 11.2.5.3< / p >
2011-09-13 17:44:24 +00:00
< / div >
< table width = "100%" summary = "Navigation header" >
< tr >
< th colspan = "3" align = "center" > mutex_set_tas_spins< / th >
< / tr >
< tr >
< td width = "20%" align = "left" > < a accesskey = "p" href = "mutex_set_max_parameter.html" > Prev< / a > < / td >
< th width = "60%" align = "center" > Appendix D. DB_CONFIG Parameter Reference< / th >
< td width = "20%" align = "right" > < a accesskey = "n" href = "rep_set_clockskew_parameter.html" > Next< / a > < / td >
< / tr >
< / table >
< hr / >
< / div >
< div class = "sect1" lang = "en" xml:lang = "en" >
< div class = "titlepage" >
< div >
< div >
< h2 class = "title" style = "clear: both" > < a id = "mutex_set_tas_spins_parameter" > < / a > mutex_set_tas_spins< / h2 >
< / div >
< / div >
< / div >
< p >
Specifies the number of times the test-and-set mutexes should spin
without blocking. The value defaults to 1 time on uniprocessor
systems and to 50 times the number of processors on multiprocessor
systems.
< / p >
< p >
The syntax of this parameter in the < a href = "../../programmer_reference/env_db_config.html#env_db_config.DB_CONFIG" class = "olink" > DB_CONFIG< / a > file is a single
line with the string < code class = "literal" > set_tas_spins< / code > , one or more
whitespace characters, and the number of spins.
< / p >
< p >
For more information, see
< a class = "xref" href = "mutexset_tas_spins.html" title = "DB_ENV->mutex_set_tas_spins()" > DB_ENV-> mutex_set_tas_spins()< / a > .
< / p >
< / div >
< div class = "navfooter" >
< hr / >
< table width = "100%" summary = "Navigation footer" >
< tr >
< td width = "40%" align = "left" > < a accesskey = "p" href = "mutex_set_max_parameter.html" > Prev< / a > < / td >
< td width = "20%" align = "center" >
< a accesskey = "u" href = "configuration_reference.html" > Up< / a >
< / td >
< td width = "40%" align = "right" > < a accesskey = "n" href = "rep_set_clockskew_parameter.html" > Next< / a > < / td >
< / tr >
< tr >
< td width = "40%" align = "left" valign = "top" > mutex_set_max < / td >
< td width = "20%" align = "center" >
< a accesskey = "h" href = "index.html" > Home< / a >
< / td >
< td width = "40%" align = "right" valign = "top" > rep_set_clockskew< / td >
< / tr >
< / table >
< / div >
< / body >
< / html >