Please, don't http://cygwin.com/acronyms/#TOFU
On Oct 24 12:02, Manuel Wienand wrote: > Hallo Corinna, > > thanks for the response. Yes, you are right, I missed the fact that > the child process inherits the file descriptors. > > I took a look at the documentation of exec and just to be clear on the > descriptor/handler issue: > - file descriptor are passed down (basically always when calling the > 'open' function) > - socket descriptors are *not* passed down (not sure, wasn't in the > documentation) All descriptors are passed down, unless the close-on-exec flag has been set explicitely. > - handles of semaphores, mutexes, memory maps, message queues are > *not* passed down. Uh, "handles" sounds so much like a Windows concept... As for POSIX IPC objects, they are not inherited by exec'ed processes and have to be reopened. > - signal mask, scheduling policies (at leat when using SCHED_FIFO, > SCHED_RR or SCHED_SPORADIC) and directory streams are passed down > Is that correct? Not quite. For a good overview of what happens in execve, see http://www.kernel.org/doc/man-pages/online/pages/man2/execve.2.html Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
