> X-Virus-Scanned: by XS4ALL Virus Scanner > Date: Wed, 7 Oct 2015 12:47:35 +0100 > From: Stuart Henderson <st...@openbsd.org> > > Thanks. And I suppose in the case of a more complex program it couldn't > be guaranteed that the thread ID hasn't been reused by another thread > elsewhere in the program after the first one has exited. > > So I think a better approach for the check_disk program would be to > pass in a pointer to a struct that includes a marker that the child > thread can set when it's finished, and check that from the main > thread, does that make sense?
Yes, properly protected by a mutex and perhaps using a condition variable. Cheers, Mark
