Greetings, mySQL is thread safe, more or less. Make sure you compile against libmysqlclient_r (or simply ignore/handle SIGPIPE ).
Further info can be found at: http://dev.mysql.com/doc/mysql/en/myodbc-unix-thread-safe.html http://dev.mysql.com/doc/mysql/en/myodbc-unix-thread-safe.html MarkP On 10/7/05, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > (please excuse the double post but I wanted to reach the two audiences I > thought could help the best) > > This is a question about the interpreting the documentation in the manual > for the C API. > I searched the list archives (all lists) going back 365 days for the terms > (unquoted): "mysql_real_connect thread" (I also looked for > alternatives:"mysql_real_connect threaded", "mysql_real_connect multi > threaded", etc.). I searched on Google Groups for: mysql_real_connect > thread and found a few interesting hits. However, I am still not 100% > clear on how to interpret some of the information on this page: > http://dev.mysql.com/doc/mysql/en/threaded-clients.html > > I do a lot of MySQL administration and development using mostly the CLI > and a few other tools but I am writing a multithreaded client to automate > certain background processing and I need a bit of advice. According to the > page in question the function mysql_real_connect() is not "thread-safe". > Does that simply mean that I cannot call that function from more than one > thread at a time or does that mean that the connection created by one call > to the function will be visible to the other threads or what? Just how not > "thread-safe" is it? > > Each thread will have it's own MYSQL structure and I will need to use two > different connections per thread at the same time (am I going to need a > separate call to mysql_init() for each connection?). I know how to wrap > all of my calls to mysql_real_connect() in a critical section or protect > them with a mutex if that's all I need to do . If it's not that simple and > I do need to compile and link against another library (as the page > suggests - sort of) can someone help me to configure my Microsoft Visual > C++ .NET (v7) to do it? I said "sort-of" because the page also says that > the binary distributions (which I am working with ) already contain the > threadsafe library so I wonder if I need to rebuild anything or not. How > can I tell? > > I am an experienced but not well-seasoned C++ developer (not using c# for > this). I know the language and can write and debug code just fine (I can > make stand-alone apps and DLLs all day); it's just that some of the > complier/linker options and settings that confound me and I am having > trouble translating the advice on the page into specifics I can work with > for my environment. > > I know I probably left out some simple pieces of information, just let me > know and I will respond ASAP. Please remember to CC: both lists on all > responses. > > Shawn Green > Database Administrator > Unimin Corporation - Spruce Pine > > > > > -- Mark Papadakis http://www.markpapadakis.com/ [EMAIL PROTECTED] -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
