STINNER Victor added the comment: I read again the following blog post: http://blogs.msdn.com/b/oldnewthing/archive/2011/12/16/10248328.aspx
I understood the purpose of PROC_THREAD_ATTRIBUTE_HANDLE_LIST. Let say that two Python threads create a Popen object with a pipe for stdout: * Thread A : pipe 1 * Thread B : pipe 2 * Main thread has random inheritable files and sockets Handles of the both pipes are inheritable. Currently, thread A may inherit pipe 2 and thread B may inherit pipe 1 depending exactly when pipes are created and marked as inheritable, and when CreateProcess() is called. Using PROC_THREAD_ATTRIBUTE_HANDLE_LIST, thread A will only inherit pipe 1, not pipe 2 nor inheritable handles of the other threads. Thread B will only inherit pipe 1, no other handle. It does not matter that CreateProcess() is called with bInheritHandles=TRUE nor that there are other inheritable handles. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue19764> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
