On Apr 14 18:42, Enzo Michelangeli wrote: > While porting to Cygwin the Linux application "sipd" > (http://www.sxdesign.com/index.php?page=developer&submnu=sipd ), which > uses pthreads, I noticed that socket() calls issued concurrently by > several threads often failed, with strerror(errno) saying "operation not > permitted". Once I protected all the calls with mutex locks, such errors > went away. Is Cygwin's implementation of socket() known to be > thread-unsafe?
No. If you can prepare a brief testcase to demonstrate the problem, I'm happy to fix it. Of course, patches would be most welcome. See below. > P.S. I have written an implementation of the missing gethostbyname_r(), > based on a mutex-protected call to gethostbyname(). If useful, I may > gladly contribute the code. Sure! Unfortunately, that requires us to ask you for a copyright assignment first. See http://cygwin.com/contrib.html for details. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Developer mailto:[EMAIL PROTECTED] Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
